# Sieger Systems

> Full glazing solutions in the UK - sliding, bifold, fire-rated & structural glass.


## Pages

- [About us](https://siegersystems.co.uk/about-us/): Learn about Sieger Systems, specialists in aluminium doors, windows, rooflights and structural glass for premium architectural projects.
- [Thank you](https://siegersystems.co.uk/thank-you/): Thank you for contacting Sieger Systems. Our team will review your enquiry and be in touch to discuss your glazing project.
- [Privacy Policy](https://siegersystems.co.uk/privacy-policy/): Read the Sieger Systems privacy policy to understand how personal data is collected, used and protected when using our website.
- [Brochure](https://siegersystems.co.uk/product-datasheet-form/): Request product brochures and data sheets for Sieger doors, windows, rooflights, structural glass and premium glazing systems.
- [Home Owner](https://siegersystems.co.uk/home-owner/): Premium glass doors, windows, rooflights and structural glazing for homeowners, designed to transform light, views and living spaces.
- [Builder / Developer](https://siegersystems.co.uk/builder-developer-supply-only-glazing/): Aluminium doors, windows and roof glazing for builders and developers, with efficient lead times, bespoke finishes and installation support.
- [Architect](https://siegersystems.co.uk/architect/): Contemporary glass doors, windows and rooflights for architects, with slim frames, structural glazing, switchable and heated glass options.
- [Showroom](https://siegersystems.co.uk/visit-our-showroom/): Visit the Sieger showroom to view premium glass doors, windows, rooflights, entrance doors and architectural glazing systems in person.
- [Technical Advice](https://siegersystems.co.uk/technical-advice/): Expert advice on glass doors, windows, rooflights and architectural glazing, helping homeowners, architects and builders plan with confidence.
- [Contact Us](https://siegersystems.co.uk/contact-us/): Contact Sieger Systems for premium glass doors, windows, rooflights and architectural glazing, supplied and installed across London and beyond.
- [Home](https://siegersystems.co.uk/): Full glazing solutions - sliding, bifold, fire-rated & structural glass. Expertly delivered for residential & commercial projects across the South East of the UK.


## Products

- [Sieger lux bifold doors 2.0](https://siegersystems.co.uk/products/sieger-lux-bifold-doors-2-0/): Slim aluminium bifold doors with 87mm interlocks, PAS 24 security, low thresholds and U-values from 0.9 W/m²K by Sieger.
- [Sieger lux pivot 2.0: pivot & hinged doors](https://siegersystems.co.uk/products/sieger-lux-pivot-2-0/): Slim aluminium pivot and hinged doors with large panels, thermal breaks and glazing up to 64mm, supplied and installed by Sieger
- [Sieger HD casement windows](https://siegersystems.co.uk/products/slim-hd-aluminium-casement-window/): Slim HD aluminium windows for larger openings, supplied and installed by Sieger across London and the South East.
- [Sieger lux bifold doors](https://siegersystems.co.uk/products/sieger-lux-aluminium-bifold/): Ultra slim aluminium bifold doors with 30mm frames, wide opening layouts and premium installation across London and the South East.
- [Sieger lux TH+ bifold doors](https://siegersystems.co.uk/products/sieger-lux-th-bifold/): Sieger Lux TH+ bifold doors combine slim aluminium frames with high thermal performance, supplied & installed across London and the South East.
- [Sieger slim casement windows](https://siegersystems.co.uk/products/slim-aluminium-casement-window/): Slim aluminium casement windows with clean square profiles, secure performance and premium installation across London and the South East.
- [Sieger flush casement windows](https://siegersystems.co.uk/products/slim-aluminium-flush-casement-window/): Flush aluminium casement windows with slim 45mm sashes, secure performance and premium installation across London and the South East.
- [Sieger legacy windows](https://siegersystems.co.uk/products/steel-look-legacy-windows/): Steel look aluminium windows with traditional glazing bars, modern insulation and secure performance, supplied and installed by Sieger.
- [Innovare windows by Sieger](https://siegersystems.co.uk/products/innovare-by-sieger-flush-glazed-window/): Flush glazed aluminium windows with edge-to-edge glass, clean lines and premium installation across London and the South East.
- [Sieger legacy casement doors](https://siegersystems.co.uk/products/steel-look-legacy-doors/): Steel look aluminium doors with elegant glazing bars, supplied and installed by Sieger across London and the South East. Free quotes.
- [Sieger aluminium casement doors](https://siegersystems.co.uk/products/sieger-aluminium-casement-door/): The Sieger Aluminium Casement Doors are refined glazing door systems designed for projects where a hinged aluminium door is the most practical and attractive choice.
- [MIRO internal glass pivot door](https://siegersystems.co.uk/products/miro-internal-glass-pivot-door/): Minimal internal glass pivot doors with industrial-style metal frames, bespoke glass finishes and showroom-led design advice from Sieger.
- [MIRO slide internal glass door](https://siegersystems.co.uk/products/miro-slide-internal-glass-door/): Internal sliding glass doors with minimal frames, bespoke glass finishes and industrial-style options, supplied and installed by Sieger.
- [MIRO hinge internal glass door](https://siegersystems.co.uk/products/miro-internal-glass-hinged-door/): Minimal internal hinged glass doors with concealed hinges, bespoke glass finishes and elegant Italian handles, supplied and installed by Sieger.
- [Sieger allglass rooflight system](https://siegersystems.co.uk/products/the-sieger-allglass-rooflight-system/): Flat fixed rooflights for bright homes and extensions, supplied and installed by Sieger across London and the South East.
- [Sieger slim sliding doors](https://siegersystems.co.uk/products/slim-aluminium-sliding-glass-doors/): Slim aluminium sliding glass doors with 20mm sightlines, flush thresholds and premium installation across London and the South East.
- [Triple glazed oversized sliding doors](https://siegersystems.co.uk/products/triple-glazed-sliding-glass-doors/): Oversized triple glazed sliding doors with minimal aluminium frames, supplied and installed by Sieger across London and the South East.
- [HERA automated sliding rooflight box system](https://siegersystems.co.uk/products/hera-high-spec-electric-rooflight-automation/): Automated box rooflights for roof access, fresh air and open-sky living, supplied and installed by Sieger across London and the South East.
- [Sieger 120 bifold doors](https://siegersystems.co.uk/products/120-aluminium-bifold-doors/): Custom-made wide aluminium bifold doors with up to 14 sashes, PAS 24 security and expert installation across London and the South East.
- [Sieger 45 sliding doors](https://siegersystems.co.uk/products/45-aluminium-slim-sliding-doors/): Custom-made slim aluminium sliding doors with 45mm junctions, PAS 24 security and expert installation across London and the South East.
- [Sieger 70 TT windows](https://siegersystems.co.uk/products/aluminium-tilt-turn-window-sieger-70/): Thermally broken 70mm tilt and turn windows with hidden hardware, Uw values from 1.0 and installation across London and the South East.
- [Sieger casement doors](https://siegersystems.co.uk/products/schuco-aluminium-casement-door/): Slim aluminium casement doors with thermally broken profiles, inward or outward opening and expert installation across London and the South East.
- [Sieger contemporary entrance doors](https://siegersystems.co.uk/products/entrance-door-contemporary/): Contemporary aluminium front doors in 28 modern designs, supplied and installed by Sieger across London and the South East..
- [Sieger grosvenor entrance doors](https://siegersystems.co.uk/products/entrance-door-traditional/): Traditional aluminium front doors in 7 elegant styles, supplied and installed by Sieger across London and the South East.
- [Sieger rural entrance doors](https://siegersystems.co.uk/products/rural-entrance-door/): Country style aluminium front doors in 5 timeless designs, supplied and installed by Sieger across London and the South East.
- [Fire rated glass](https://siegersystems.co.uk/products/fire-rated-glass/): Fire rated glass walls, doors, facades and floors designed and installed by Sieger for safe, light-filled spaces across London and the South East.
- [Structural glass](https://siegersystems.co.uk/products/structural-glass/): Frameless structural glass for extensions, walls, roofs and oriel windows, designed and installed by Sieger across London and the South East.
- [ARES automated rising rooflight system](https://siegersystems.co.uk/products/ares-automated-venting-rooflight/): Automated venting rooflights with hidden mechanisms, remote control options and frameless internal views, supplied and installed by Sieger.
- [MARS automated sliding rooflight system](https://siegersystems.co.uk/products/mars-modern-automated-rooflight/): Automated sliding glass rooflights for bright, open-air interiors, supplied and installed by Sieger across London and the South East.
- [Sieger 110 bifold doors](https://siegersystems.co.uk/products/110-bifold-doors/): Custom-made aluminium bifold doors with 1.0 U-values, PAS 24 security and flexible configurations across London and the South East.
- [Invisio rooflight system](https://siegersystems.co.uk/products/thermally-broken-rooflight/): Explore thermally broken rooflights with advanced insulation, slim aluminium framing and high-performance roof glazing for modern homes.
- [40 Lantern rooflight system](https://siegersystems.co.uk/products/lantern-rooflight-40/): Custom-made slimline roof lanterns with 40mm aluminium frames, thermal breaks and expert installation across London and the South East.
- [Legacy conservation rooflight system](https://siegersystems.co.uk/products/legacy-conservation-rooflight-system/): Flush conservation rooflights for heritage, listed and modern homes, supplied and installed by Sieger across London and the South East.
- [Sieger automated shading systems](https://siegersystems.co.uk/products/sieger-automated-shading-system/): Automated external shading systems with bespoke cladding finishes, supplied and installed by Sieger across London and the South East.
- [Invisio floorlight system](https://siegersystems.co.uk/products/thermally-broken-floorlight/): Frameless walk-on glass floorlights with thermally broken fixings, supplied and installed by Sieger across London and the South East.


## Posts

- [The Ultimate Guide to Sliding Doors](https://siegersystems.co.uk/technical-advice/the-ultimate-guide-to-sliding-doors/): Read the ultimate guide to sliding doors, including configurations, glazing options, thermal performance and modern design inspiration.
- [Stylish Window Over Sink Ideas for Modern Kitchens](https://siegersystems.co.uk/technical-advice/design-inspiration-window-over-sink/): Explore modern window over sink ideas with aluminium glazing inspiration designed to maximise light, views and kitchen aesthetics.
- [Transform Outdoor Living with Sliding Glass Terrace Doors](https://siegersystems.co.uk/technical-advice/sliding-glass-terrace-doors/): Learn more about sliding glass terrace doors, including glazing options, thermal performance, configurations and designs for residential projects.
- [The Ultimate Guide to Aluminium Bifold Doors](https://siegersystems.co.uk/technical-advice/the-ultimate-guide-to-aluminium-bifold-doors/): Explore the ultimate guide to aluminium bifold doors, including configurations, glazing options, thermal performance and design advice.
- [The Ultimate Guide to Aluminium Doors](https://siegersystems.co.uk/technical-advice/aluminium-doors/): Explore aluminium doors for modern homes, including sliding, bifold and entrance door systems designed for performance and contemporary living.
- [The Ultimate Guide to Aluminium Glazing Systems](https://siegersystems.co.uk/technical-advice/aluminium-glazing-systems/): Explore aluminium glazing systems for modern homes and commercial projects, including sliding doors, windows and structural glazing solutions.
- [How Much do Aluminium Patio Doors Cost?](https://siegersystems.co.uk/technical-advice/how-much-do-aluminium-patio-doors-cost/): Learn how much aluminium patio doors cost, including factors affecting pricing, glazing options, configurations and installation requirements.
- [Cost of Aluminium Bifold Doors](https://siegersystems.co.uk/technical-advice/cost-of-aluminium-bifold-doors/): Learn about the cost of aluminium bifold doors, including pricing factors, glazing options, configurations and installation considerations.
- [Benefits of Triple Glazing](https://siegersystems.co.uk/technical-advice/benefits-of-triple-glazing/): Discover the benefits of triple glazing, including improved insulation, thermal efficiency, noise reduction and energy performance.
- [Making a Statement About Your Home With Glazing](https://siegersystems.co.uk/technical-advice/making-a-statement-about-your-home-with-glazing/): Explore statement glazing ideas for modern homes, featuring oversized glass, slim frames and contemporary architectural inspiration.
- [Broken Plan Living VS Open Plan Living: Which is Better?](https://siegersystems.co.uk/technical-advice/broken-plan-living-vs-open-plan-living/): Compare broken plan and open plan living ideas, including layout benefits, natural light and modern glazing design inspiration.
- [Causes of Spontaneous Glass Breakage and How to Prevent It](https://siegersystems.co.uk/technical-advice/spontaneous-glass-breakage-causes-and-prevention/): Learn about spontaneous glass breakage, including common causes, prevention methods and glazing solutions for modern architectural projects.
- [Structural Glazing in Modern Architecture](https://siegersystems.co.uk/technical-advice/structural-glazing-in-modern-architecture/): Explore structural glazing in modern architecture, including frameless glass systems, design benefits and performance in contemporary buildings.
- [The Ultimate Guide to Glass Types for Modern Architectural Glazing](https://siegersystems.co.uk/technical-advice/glass-types/): Explore different glass types for architectural glazing, including low-iron, laminated, Low-E & toughened glass for residential & commercial projects
- [The Ultimate Guide to Rooflights and Roof Glazing](https://siegersystems.co.uk/technical-advice/the-ultimate-guide-to-rooflights-and-roof-glazing/): With new rooflight systems constantly being developed, it can be difficult to stay on top of new advances. At Sieger we have...
- [Solar Gain, Glare and Control](https://siegersystems.co.uk/technical-advice/solar-gain-glare-and-control-explained/): Learn about solar gain, glare and glazing control solutions for modern homes, improving comfort, light management and energy performance.
- [Modern Holiday Villa Designs](https://siegersystems.co.uk/technical-advice/modern-holiday-villa-designs/): Explore modern holiday villa designs featuring large glazing systems, natural light and contemporary architectural inspiration.
- [Maximising Natural Light Within the Home](https://siegersystems.co.uk/technical-advice/maximising-natural-light-within-the-home/): Learn how to maximise natural light within the home using modern glazing systems, rooflights and slim aluminium frame designs.
- [Incorporating a Small Glass Extension into Your Home](https://siegersystems.co.uk/technical-advice/small-glass-extension-in-homes/): Explore small glass extension ideas for modern homes, including slim glazing systems, natural light benefits and contemporary design inspiration.
- [A Guide to Polyester Powder Coating and RAL Colours](https://siegersystems.co.uk/technical-advice/guide-to-polyester-powder-coating-and-ral-colours/): Learn about polyester powder coating and RAL colours for aluminium glazing, including durability, finishes and colour selection options.
- [Which Glazing Is Right for Your Architecture Style?](https://siegersystems.co.uk/technical-advice/which-glazing-is-right-for-your-architecture-style/): Find the right glazing for your architecture style, from contemporary homes to heritage properties, with modern aluminium glazing solutions.
- [Locking Options for Sieger Glazing Systems](https://siegersystems.co.uk/technical-advice/locking-options-for-sieger-systems/): Explore locking options for Sieger Systems glazing, including security features, multi-point locks and modern aluminium door protection.
- [How to Choose the Right Slim Sliding Doors](https://siegersystems.co.uk/technical-advice/how-to-choose-the-right-slim-sliding-doors/): Learn how to choose the right slim sliding doors, including glazing options, sightlines, thermal performance and design considerations.
- [Industrial Style Steel Look Glazing](https://siegersystems.co.uk/technical-advice/industrial-style-steel-look-glazing/): Explore industrial style steel-look glazing with slim aluminium frames, heritage aesthetics and contemporary performance for modern homes.
- [How to Specify Low Maintenance Glazing](https://siegersystems.co.uk/technical-advice/how-to-specify-low-maintenance-glazing/): Learn how to specify low maintenance glazing for modern homes, including aluminium systems, glass coatings and long-term performance benefits.
- [Bifold Doors With Flush Thresholds](https://siegersystems.co.uk/technical-advice/bifold-doors-with-flush-thresholds/): Explore bifold doors with flush thresholds, designed to create seamless indoor-outdoor living with slim aluminium glazing systems.
- [Using Glazing to Incorporate Biophilic Design Into Your Home](https://siegersystems.co.uk/technical-advice/using-glazing-to-incorporate-biophilic-design-into-homes/): Learn how glazing can support biophilic home design, increasing natural light, garden views and connection to outdoor spaces.
- [Modern Juliet Balcony Designs](https://siegersystems.co.uk/technical-advice/modern-juliet-balcony-designs/): Explore modern Juliet balcony designs with slim glazing systems, minimal framing and contemporary architectural styling for modern homes.
- [True vs Applied Glazing Bars for Aluminium Glazing](https://siegersystems.co.uk/technical-advice/true-vs-applied-glazing-bars-for-aluminium-glazing/): Learn the difference between true and applied glazing bars for aluminium glazing, including aesthetics, performance and design considerations.
- [Steel vs Aluminium Framed Glazing](https://siegersystems.co.uk/technical-advice/steel-vs-aluminium-framed-glazing/): Compare steel vs aluminium framed glazing, including aesthetics, thermal performance, maintenance and suitability for modern homes.
- [A Guide to Security Ratings](https://siegersystems.co.uk/technical-advice/what-do-security-ratings-mean/): Learn what glazing security ratings mean, including PAS 24, Secured by Design and how they improve protection for modern homes.
- [Incorporating Pet Doors Into Aluminium Framed Patio Doors](https://siegersystems.co.uk/technical-advice/pet-friendly-aluminium-doors/): Explore pet friendly aluminium doors with durable glazing, secure access and practical designs for modern homes and everyday living.
- [Aluminum Glazing in a Coastal Environment](https://siegersystems.co.uk/technical-advice/aluminium-glazing-in-a-coastal-environment/): Explore aluminium glazing for coastal environments, including corrosion resistance, durability and low maintenance performance near the sea.
- [Thermal Bridging and Thermal Breaks Explained](https://siegersystems.co.uk/technical-advice/thermal-bridging-and-thermal-breaks-explained/): Learn about thermal bridging and thermal breaks in glazing systems, including insulation performance and energy efficiency benefits.
- [What is low e glass and how does it work?](https://siegersystems.co.uk/technical-advice/what-is-low-e-glass-and-how-does-it-work/): Learn what Low-E glass is and how it works, including thermal efficiency, solar control and insulation benefits for modern glazing systems.
- [What’s the difference between toughened and heat soaked glass?](https://siegersystems.co.uk/technical-advice/toughened-and-heat-soaked-glass/): Learn about toughened and heat soaked glass, including safety benefits, durability and performance in modern glazing systems.
- [Thermal Performance of Glazing Explained](https://siegersystems.co.uk/technical-advice/thermal-performance-of-glazing-explained/): Learn about the thermal performance of glazing, including U-values, insulation, solar gain and energy efficiency in modern homes.
- [A Guide to Decorative Glazing](https://siegersystems.co.uk/technical-advice/a-guide-to-decorative-glazing/): Explore decorative glazing options for modern homes, including textured, tinted and patterned glass for privacy and visual impact.
- [Patio Doors for Indoor-Outdoor Living Spaces](https://siegersystems.co.uk/technical-advice/patio-doors-for-indoor-outdoor-living-spaces/): Explore patio doors for indoor outdoor living spaces, featuring slim glazing systems, natural light and seamless garden connections.
- [PVB vs SGP Glazing Interlayers](https://siegersystems.co.uk/technical-advice/pvb-vs-sgp-glazing-interlayers/): Compare PVB vs SGP glazing interlayers, including strength, clarity, structural performance and suitability for architectural glazing.
- [Aluminium Windows: A Complete Guide](https://siegersystems.co.uk/technical-advice/aluminium-windows-a-complete-guide/): Explore the complete guide to aluminium windows, including styles, thermal performance, glazing options and modern design benefits.
- [How to prolong the life of your aluminium glazing](https://siegersystems.co.uk/technical-advice/how-to-prolong-the-life-of-aluminium-glazing/): Learn how to prolong the life of aluminium glazing with proper maintenance, cleaning routines and long-term care recommendations.
- [Advantages of Oversized Sliding Glass Doors](https://siegersystems.co.uk/technical-advice/advantages-of-oversized-sliding-glass-doors/): Explore the advantages of oversized sliding glass doors, including natural light, panoramic views and seamless indoor outdoor living.
- [A Guide to Laminated Glass and Glazing Interlayers](https://siegersystems.co.uk/technical-advice/a-guide-to-laminated-glass-and-glazing-interlayers/): Explore laminated glass and glazing interlayers, including safety benefits, acoustic performance and structural glazing applications.
- [Are window restrictors necessary?](https://siegersystems.co.uk/technical-advice/are-window-restrictors-necessary/): Learn whether window restrictors are necessary, including safety regulations, child protection and modern glazing security considerations.
- [Bonded vs Beaded Glazing](https://siegersystems.co.uk/technical-advice/bonded-vs-beaded-glazing/): Learn the difference between bonded and beaded glazing, including structural performance, aesthetics and modern glazing applications.
- [What is Low Iron Glass and when is it needed?](https://siegersystems.co.uk/technical-advice/what-is-low-iron-glass-and-when-is-it-needed/): Learn what low iron glass is and when it is needed, including clarity benefits, glazing applications and modern architectural design use.
- [What to consider when choosing an entrance door](https://siegersystems.co.uk/technical-advice/what-to-consider-when-choosing-an-entrance-door/): Learn what to consider when choosing an entrance door, including security, glazing, thermal performance and aluminium door design.
- [Why Choose Sieger’s Glass Balustrade System?](https://siegersystems.co.uk/technical-advice/why-choose-siegers-glass-balustrade-system/): Learn why Sieger’s glass balustrade system is ideal for modern homes, featuring frameless designs, safety performance and minimal aesthetics.
- [A Guide to Design Options for Metal Framed Internal Glass Doors](https://siegersystems.co.uk/technical-advice/why-choose-aluminium-internal-doors/): Explore why aluminium internal doors are ideal for modern homes, offering slim frames, natural light and contemporary design flexibility.
- [How to specify high performance windows](https://siegersystems.co.uk/technical-advice/how-to-specify-high-performance-windows/): Learn how to specify high performance windows, including thermal efficiency, security, glazing performance and modern aluminium designs.
- [What are the advantages of a steel look bifold door?](https://siegersystems.co.uk/technical-advice/advantages-of-a-steel-look-bifold-door/): Explore the advantages of steel look bifold doors, combining heritage styling, slim sightlines and modern aluminium glazing performance.
- [Which bi folding doors are best?](https://siegersystems.co.uk/technical-advice/which-bi-folding-doors-are-best/): Explore which bi folding doors are best for modern homes, including slim frames, thermal performance and glazing design options.
- [Launching the new Sieger Lux Bifold Door](https://siegersystems.co.uk/technical-advice/slimmest-bifolding-door-in-the-world/): Explore the world’s slimmest bifolding door with ultra slim sightlines, modern aluminium framing and contemporary glazing performance.
- [How To Pick the Right Design from Sieger’s Wide Range](https://siegersystems.co.uk/technical-advice/aluminium-entrance-door-designs/): Explore aluminium entrance door designs with modern glazing, slim sightlines, high security and contemporary architectural styling.
- [A Comprehensive Guide for Sieger Products in New Build Projects](https://siegersystems.co.uk/technical-advice/why-choose-aluminum-windows-for-new-builds/): Learn why aluminium windows are ideal for new builds, offering slim frames, thermal efficiency, durability and modern architectural styling.
- [Is Double or Triple Glazing Best for Bifold Doors?](https://siegersystems.co.uk/technical-advice/double-or-triple-glazing-for-bifold-doors/): Compare double and triple glazing for bifold doors, including thermal performance, acoustic insulation and glazing design benefits.
- [Using aluminium windows for replacement glazing](https://siegersystems.co.uk/technical-advice/why-are-aluminium-windows-preferred-for-period-properties/): Learn why aluminium windows are preferred for period properties, combining heritage aesthetics with modern thermal performance and durability.
- [Locations for Bifold Doors](https://siegersystems.co.uk/technical-advice/best-locations-for-bifold-doors/): Explore the best locations for bifold doors in modern homes, improving natural light, garden access and open-plan living spaces.
- [Is Aluminium Environmentally Friendly?](https://siegersystems.co.uk/technical-advice/is-aluminium-environmentally-friendly/): Learn whether aluminium is environmentally friendly, including recyclability, durability and energy efficiency benefits in modern glazing systems.
- [What makes aluminium an effective construction material?](https://siegersystems.co.uk/technical-advice/is-aluminium-an-effective-construction-material/): Learn why aluminium is an effective construction material, offering strength, durability, thermal performance and modern design flexibility.
- [Why is aluminium a better choice over uPVC and timber?](https://siegersystems.co.uk/technical-advice/why-aluminium-over-upvc-and-timber/): Compare aluminium, uPVC and timber glazing systems, including durability, maintenance, thermal performance and modern design benefits.
- [How Long Will Aluminium Windows or Doors Last?](https://siegersystems.co.uk/technical-advice/how-long-will-aluminium-windows-last/): Learn how long aluminium windows last, including durability, maintenance requirements and long-term performance in modern homes.
- [Cost Effective Solutions for Slim Framed Glazing](https://siegersystems.co.uk/technical-advice/cost-effective-solutions-for-slim-framed-aluminium-glazing/): Explore cost-effective slim framed aluminium glazing solutions, including modern designs, thermal performance and glazing system options.
- [What to consider when specifying bi-folding doors Part 2](https://siegersystems.co.uk/technical-advice/what-to-consider-when-specifying-bifolding-doors-part-2/): Learn what to consider when specifying bifolding doors, including sightlines, glazing performance and threshold design options.
- [Choosing aluminium doors for exposed locations](https://siegersystems.co.uk/technical-advice/aluminium-doors-for-exposed-locations/): Explore aluminium doors for exposed locations, offering durability, weather resistance and reliable performance in harsh conditions.
- [Do I need Trickle Vents?](https://siegersystems.co.uk/technical-advice/do-i-need-trickle-vents/): Learn whether trickle vents are needed for modern glazing systems, including ventilation regulations, airflow and design considerations.
- [Weather Performance Testing and Ratings Explained](https://siegersystems.co.uk/technical-advice/guide-to-weather-performance-testing-and-ratings/): Weather performance testing assesses if windows and doors meet the requirements set out by British or European Standards. Glazing systems...
- [What to consider when specifying bifolding doors PT 1](https://siegersystems.co.uk/technical-advice/considerations-specifying-bifold-doors-part-1/): Learn key considerations when specifying bifold doors, including glazing performance, thresholds and aluminium frame design options.
- [What is the advantage of a security interlayer in glazing?](https://siegersystems.co.uk/technical-advice/advantages-of-security-interlayer/): Explore the advantages of security interlayers in glazing, including improved protection, safety performance and glass durability benefits.
- [How much do aluminium windows cost?](https://siegersystems.co.uk/technical-advice/cost-of-aluminium-windows/): Learn about the cost of aluminium windows, including pricing factors, glazing options, frame styles and installation considerations.
- [What to consider when choosing slim framed sliding glass doors](https://siegersystems.co.uk/technical-advice/what-to-consider-when-choosing-slim-framed-sliding-glass-doors/): Explore why slim sliding doors are ideal for modern homes, offering minimal sightlines, natural light and contemporary glazing design.
- [What is fluted glass and when should it be used?](https://siegersystems.co.uk/technical-advice/what-is-fluted-glass-and-when-should-it-be-used/): Learn what fluted glass is and when it should be used, including privacy benefits, light diffusion and decorative glazing applications.
- [What is the order process with Sieger®?](https://siegersystems.co.uk/technical-advice/sieger-order-process/): Learn about the Sieger Systems order process, from initial enquiry and design consultation through to manufacture and installation.
- [Aluminium Frame Finishes for Timber Replacement](https://siegersystems.co.uk/technical-advice/aluminium-frame-finishes-timber-replacement/): Explore aluminium frame finishes for timber replacement projects, combining heritage aesthetics with modern durability and low maintenance.
- [A price guide for sliding doors](https://siegersystems.co.uk/technical-advice/a-price-guide-for-sliding-doors/): Explore sliding door prices, including aluminium glazing costs, configuration options and factors affecting overall project pricing.
- [How to Specify a Sieger Systems Product](https://siegersystems.co.uk/technical-advice/how-to-specify-sieger/): Learn how to specify Sieger Systems glazing products, from quotations and NBS specifications to bespoke aluminium glazing solutions.
- [Advice for Home Owners / Self Builders](https://siegersystems.co.uk/technical-advice/advice-for-home-owners-self-builders/): Explore glazing advice for homeowners and self builders, including aluminium systems, design considerations and project planning guidance.


## Case Studies

- [Nomansland](https://siegersystems.co.uk/case-studies/nomansland/)
- [Mount House](https://siegersystems.co.uk/case-studies/mount-house/): Structural glass link and sliding doors connect a secondary building to Mount House, with gable glazing, a flush threshold and aluminium access door.
- [Beechcroft ](https://siegersystems.co.uk/case-studies/beechcroft/): Aluminium doors and windows in Hertfordshire for a new build home, using casement doors, shaped gable glazing and slim aluminium window systems.
- [Dry House](https://siegersystems.co.uk/case-studies/dry-house/): Structural glass link in Oakham joining a Grade II listed home to a rear extension with slim sliding doors, casement windows and solar control glazing.
- [York Townhouse](https://siegersystems.co.uk/case-studies/york-townhouse3/)
- [South London Home](https://siegersystems.co.uk/case-studies/south-london-home/): Slim aluminium glazing in South London uses three-track sliding doors and casement windows to connect a renovated family home directly with its garden.
- [Woodwind](https://siegersystems.co.uk/case-studies/woodwind/): Aluminium glazing systems in Maidenhead combine slim casement windows, bifold doors and double-height fixed glazing in a bespoke RAL 7033 finish.
- [Barrington Park Gardens](https://siegersystems.co.uk/case-studies/barrington-park-gardens/): Aluminium glazing in Buckinghamshire combines bifold and sliding doors, casement windows and a glass Juliet balcony across a contemporary new build.
- [Holstein Avenue](https://siegersystems.co.uk/case-studies/holstein-avenue/): Steel look sliding doors in Surrey combine a biparting garden opening, fixed gable glazing and bespoke bars within a contemporary brick extension.
- [Buckinghamshire House](https://siegersystems.co.uk/case-studies/buckinghamshire-house-contemporary-extension/): Slim sliding doors in Buckinghamshire meet at an asymmetric corner, with an aluminium roof lantern and casement windows completing this home extension.
- [St Annes](https://siegersystems.co.uk/case-studies/st-annes-listed-building/): Slim aluminium doors in Notting Hill combine a three-pane sliding system, pivot door and roof glazing in a Grade II listed townhouse extension.
- [Main Road](https://siegersystems.co.uk/case-studies/main-road/): Aluminium glazing in Bristol combines Lux bifold doors, casement doors and slim windows to connect a refurbished home with its garden and maximise daylight.
- [House Deftera](https://siegersystems.co.uk/case-studies/house-deftera/)
- [The Boathouse](https://siegersystems.co.uk/case-studies/the-boathouse-riverfront-windows/): Riverside glazing in Devon combines minimal sliding doors, casement glazing and structural rooflights within a restored 200-year-old boathouse.
- [Montenotte Road](https://siegersystems.co.uk/case-studies/montenotte-road/): Aluminium bifold doors in Highgate open a side return extension to the garden, with floor-to-ceiling windows and flush threshold detailing for a period townhouse.
- [Orchard Road](https://siegersystems.co.uk/case-studies/orchard-road/)
- [Villa Nuvola](https://siegersystems.co.uk/case-studies/villa-nuvola/)
- [Elgood Avenue](https://siegersystems.co.uk/case-studies/elgood-avenue/): Steel look windows and doors in Harrow create a coordinated Belgian door and casement window elevation with copper-toned framing and direct garden access.
- [Villa Lakatamia](https://siegersystems.co.uk/case-studies/villa-lakatamia/)
- [Chestnut Cottage](https://siegersystems.co.uk/case-studies/chestnut-cottage/): Glass extension to a period cottage using frameless structural glazing, a glass-beam roof and aluminium casement door to form a light entrance space.
- [Ridgemount](https://siegersystems.co.uk/case-studies/ridgemount/): Dual colour aluminium bifold doors at Ridgemount coordinate white interior frames with black exterior finishes and a matching fixed garden window design.
- [Villiers Mews](https://siegersystems.co.uk/case-studies/aluminium-glazing-systems-at-villiers-mews/): Aluminium glazing systems in Clapham combine open-corner sliding doors, double-height windows and glass balustrades across the Villiers Mews development.
- [Cornwall House](https://siegersystems.co.uk/case-studies/cornwall-house/): Marine-grade glazing in Cornwall combines casement windows, outward-opening Legacy doors and coordinated detailing for an exposed coastal new build.
- [The Grove Hotel](https://siegersystems.co.uk/case-studies/the-grove-hotel/)
- [House Latisia ](https://siegersystems.co.uk/case-studies/house-latisia/)
- [Godley Road](https://siegersystems.co.uk/case-studies/godley-road/): Corner-opening aluminium bifold doors at Godley Road combine five- and two-pane sets, a movable corner post and flush threshold in a modern extension.
- [House Ayious ](https://siegersystems.co.uk/case-studies/house-ayious/)
- [Dolphin Quay](https://siegersystems.co.uk/case-studies/dolphin-quay/): Marine-grade glazing in Emsworth combines slim sliding doors, bifolds, aluminium windows and glass balustrades across two waterfront homes at Dolphin Quay.
- [Chaucer Road](https://siegersystems.co.uk/case-studies/chaucer-road-aluminium-bifold-doors/): Aluminium bifold doors in Brixton open a two-storey rear extension to the garden, with roof glazing and a casement window increasing daylight.
- [Quarrendon Street](https://siegersystems.co.uk/case-studies/quarrendon-street/): Steel look bifold doors in London use a four-panel arrangement, bespoke glazing bars, a hinged pass door and integrated cat flap at Quarrendon Street.
- [Meadow House](https://siegersystems.co.uk/case-studies/meadow-house/): Aluminium windows and doors in Essex frame panoramic views at Meadow House, using slim casement glazing and RAL 7016 finishes across a luxury new build.
- [Waterfalls](https://siegersystems.co.uk/case-studies/waterfalls-bringing-light-and-nature-into-a-contemporary-somerset-home/): Aluminium bifold doors in Somerset open a contemporary home to the garden, with slim windows and fixed picture glazing framing woodland views and daylight.
- [Stable barn](https://siegersystems.co.uk/case-studies/stable-barn/)
- [Addison Road](https://siegersystems.co.uk/case-studies/addison-road/)
- [Swakleys Road](https://siegersystems.co.uk/case-studies/swakleys/): Replacement bay windows and sliding doors combine heritage detailing, wide garden openings and solar control glazing at this period home renovation.
- [Apartment Engomi](https://siegersystems.co.uk/case-studies/apartment-engomi/)


## News Articles

- [Taper House Shortlisted for the Manser Medal 2024 – House of the Year](https://siegersystems.co.uk/news/taper-house-shortlisted-for-the-manser-medal-2024/): Taper House has been shortlisted for the 2024 Manser Medal, highlighting contemporary architecture and premium glazing design features.
- [Sieger Lux Door and Sieger 70 TT Window Nominated for Built It Awards!](https://siegersystems.co.uk/news/sieger-lux-door-70-tt-window-built-it-awards/): Sieger Lux Door and Sieger 70 TT Window were nominated for the Build It Awards, recognising innovation in modern glazing design.
- [Dolphin Quay Featured in Design Buy Build Magazine](https://siegersystems.co.uk/news/dolphin-quay-design-buy-build-magazine/): Dolphin Quay has been featured in Design Buy Build Magazine, showcasing contemporary glazing design and modern architectural detailing.
- [Mount House featured in Refurb & Restore Magazine](https://siegersystems.co.uk/news/mount-house-renovation-project-refurb-restore-magazine/): Mount House renovation project featured in Refurb & Restore Magazine, showcasing contemporary glazing and architectural transformation.
- [New Proposed ‘Approved Document [X]’ to Tackle Overheating](https://siegersystems.co.uk/news/new-approved-document-x-tackle-overheating/): Explore sliding door prices, including aluminium glazing costs, configuration options and factors affecting overall project pricing.
- [Update on Global Supply Chain affecting Sieger Systems](https://siegersystems.co.uk/news/update-on-global-supply-chain-sieger-systems/): Read the latest update on global supply chain challenges and how Sieger Systems continues supporting glazing project delivery and lead times.
- [Chaucer Road Project Featured in the May Issue of i-Build Magazine](https://siegersystems.co.uk/news/chaucer-road-featured-may-issue-i-build-magazine/): Chaucer Road featured in the May issue of i-Build Magazine, showcasing contemporary glazing systems and modern architectural design.
- [What's New at the Sieger Showroom?](https://siegersystems.co.uk/news/whats-new-at-the-sieger-showroom/): Explore the latest additions at the Sieger showroom, featuring modern glazing systems, aluminium doors and architectural glass solutions.
- [Sieger Showroom Reopening in April](https://siegersystems.co.uk/news/sieger-showroom-reopening-in-april/): Read about the Sieger showroom reopening in April, featuring contemporary glazing systems, aluminium doors and modern design inspiration.
- [Barrington Park Gardens Featured in i-Build Magazine](https://siegersystems.co.uk/news/barrington-park-gardens-featured-in-i-build-magazine/): Barrington Park Gardens featured in i-Build Magazine, showcasing contemporary glazing systems and modern architectural design inspiration.
- [Residential development that uses Sieger Casement Windows and Sieger Sliding Doors](https://siegersystems.co.uk/news/project-featuring-sieger-systems-mentioned-in-the-media/): Read about a Sieger Systems project featured in the media, showcasing contemporary glazing design and modern architectural innovation.
- [Field House Wins Schuco Excellence Award 2020](https://siegersystems.co.uk/news/field-house-wins-schuco-excellence-award-2020/): Field House wins the Schüco Excellence Award 2020, recognising outstanding contemporary glazing and architectural design innovation.
- [Office Christmas Closure](https://siegersystems.co.uk/news/office-christmas-closure/): Read about the Sieger Systems office Christmas closure dates and important information regarding enquiries, support and project timelines.
- [Sieger Showroom Reopening 3rd December](https://siegersystems.co.uk/news/sieger-showroom-reopening-3rd-december/): Read about the Sieger showroom reopening on 3rd December, featuring modern glazing systems and architectural design inspiration.
- [What is ‘The Green Deal’?](https://siegersystems.co.uk/news/the-green-deal-what-is-it/): Learn about Approved Document X and how modern glazing systems can help tackle overheating in contemporary residential properties.
- [Showroom Closure from Thursday 5th November](https://siegersystems.co.uk/news/showroom-closure-from-thursday/): Read important information about the Sieger Systems showroom closure, including enquiry support and updates on glazing project consultations.
- [The Sieger Showroom is Open for Visitors](https://siegersystems.co.uk/news/the-sieger-showroom-is-open-for-visitors/): The Sieger showroom is open for visitors, showcasing contemporary glazing systems, aluminium doors and modern design inspiration.
- [How to Check a Property Is Suitable For Corner Opening Bifolds](https://siegersystems.co.uk/news/how-to-check-a-property-is-suitable-for-corner-opening-bifolds/): Learn how to check if your property is suitable for corner opening bifold doors, including structural and glazing design considerations.
- [COVID-19 – Latest News](https://siegersystems.co.uk/news/covid-19-latest-news/): Read the latest COVID-19 updates from Sieger Systems, including showroom operations, project support and glazing supply information.
- [What to Expect From the New Slim Tilt and Turn Window](https://siegersystems.co.uk/news/new-slim-tilt-and-turn-window/): Explore the new slim tilt and turn window from Sieger Systems, combining contemporary aesthetics with modern glazing performance.
- [Launching the NEW Sieger Automated Rooflight](https://siegersystems.co.uk/news/launching-the-new-sieger-automated-rooflight/): Read about the launch of the new Sieger automated rooflight, featuring modern glazing technology, ventilation and contemporary design.
- [Sieger featured on Channel 4](https://siegersystems.co.uk/news/sieger-featured-on-channel-4/): Read about Sieger Systems being featured on Channel 4, showcasing contemporary glazing systems and modern architectural design expertise.
- [A year in Review – 2019](https://siegersystems.co.uk/news/year-in-review-2019/): Explore Sieger Systems’ 2019 highlights, including award-winning glazing projects, product launches and major architectural achievements.
- [Happy New Year 2020](https://siegersystems.co.uk/news/happy-new-year-2020/): Celebrate the start of 2020 with Sieger Systems as we reflect on glazing projects, architectural innovation and plans for the year ahead.
- [The Sieger Office and Showroom Christmas Closure](https://siegersystems.co.uk/news/christmas-closure/): Read the Sieger Systems Christmas closure notice, including office opening times, enquiry support and glazing project information.
- [Slimmest bifolds are shortlisted for best glazed doors](https://siegersystems.co.uk/news/slimmest-bifolds-best-glazed-doors-shortlist/): Sieger’s slimmest bifold doors shortlisted for Best Glazed Doors, recognising innovation in contemporary glazing and architectural design.
- [Elgood Avenue featured in Real Homes ](https://siegersystems.co.uk/news/elgood-avenue-featured-in-real-homes/): Elgood Avenue featured in Real Homes, showcasing contemporary glazing systems and modern architectural design inspiration.
- [Sieger Lux folding door in The Times and Homebuilding and Renovating](https://siegersystems.co.uk/news/sieger-lux-folding-door-in-the-times-and-homebuilding-and-renovating/): The Sieger Lux folding door featured in The Times and Homebuilding & Renovating, highlighting contemporary glazing innovation and design.
- [Launching the new aluminium bifold doors](https://siegersystems.co.uk/news/launching-the-new-aluminium-bifold-doors/): The new Sieger Lux and Super Lux aluminium bifolding doors Sieger Aluminium Systems have recently launched two new bifolding door systems to...
- [Sieger slim aluminium sliding patio doors magazine feature](https://siegersystems.co.uk/news/sieger-slim-aluminium-sliding-patio-doors-magazine-feature/): Sieger slim aluminium sliding patio doors featured in Self Build & Design Magazine, showcasing contemporary glazing and modern architecture.
- [Steel Look Bifolding Doors featured in Build It](https://siegersystems.co.uk/news/steel-look-bifolds-build-it/): Steel look bifold doors featured in Build It Magazine, showcasing slim aluminium glazing systems and contemporary architectural styling.

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SIEGER SYSTEMS About us Premium architectural glazing systems, designed for ambitious homes, developments and commercial spaces. Request a quote Download brochure Premium glazing systems, designed around every project Sieger Systems designs, supplies and installs premium architectural glazing systems for high-end homes, developments and commercial projects. Our range includes aluminium sliding doors, bifold doors, window systems, roof glazing, structural glass, entrance doors, internal glazing and specialist glass solutions. Designed to the highest European standards and manufactured in Britain, Sieger Systems products combine clean architectural styling with robust performance. Each order is made to suit the individual design, size, finish and performance requirements of the project, creating glazing solutions that feel considered, precise and unique to the building. Discuss your project European design, British manufacturing Every Sieger aluminium system is engineered to offer a refined modern finish while maintaining the strength, insulation and long-term quality expected from premium architectural glazing. From slim aluminium frames and large glass panels to thermally broken profiles, rooflights and structural glass, our systems are created for projects where appearance and performance need to work together. Because every order is bespoke, each installation can be tailored around the building, the design intent and the way the space will be used. This makes Sieger Systems suitable for architect-led homes, luxury extensions, new-build developments and commercial spaces where standard glazing would not deliver the same result. Book a consultation Supporting projects from design to installation Sieger Systems works with homeowners, architects, interior designers, builders, developers, main contractors and trade clients across London, Buckinghamshire, Berkshire, Oxfordshire, Hertfordshire, Surrey, Bath, Bristol and Somerset. Our team can support your project from early product guidance through to supply and installation, helping you choose the right glazing systems for light, views, access, thermal performance and architectural detail. Whether you are planning a single feature opening or a complete glazing package, Sieger Systems provides the products, knowledge and installation support needed to bring the project together properly. Speak to our experts Have a project? Send us a message Whether you are specifying Sieger Aluminium Systems for an architectural project or would like to experience the systems firsthand in the showroom, the Sieger team are available to help. First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source



Thank you. Your enquiry has been received, and a member of our team will review your details before getting back to you as soon as possible. Whether you are planning a new build, renovation, extension, commercial project or wider architectural glazing package, we will use the information provided to guide you towards the most suitable solution. Explore more from Sieger Sliding doors Bifold doors Steel look systems Window systems Pivot & Casement systems Entrance doors Structural glass Fire rated glass Roof glazing Internal glass



Privacy policy This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service and the choices you have associated with that data. We use your data to provide and improve the Service. By using the Service, you agree to the collection and use of information in accordance with this policy. Service Service is the https://www. siegersystems. com website operated by IQ Glass Solutions Ltd Personal Data means data about a living individual who can be identified from those data (or from those and other information either in our possession or likely to come in our possession). Usage Data is data collected automatically either generated by the use of the Service or from the Service infrastructure itself (for example, the duration of a page visit). Cookies Cookies are small pieces of data stored on your device (computer or mobile device). Data Controller Data Controller means the natural or legal person who (either alone or jointly or in common with other persons) determines the purposes for which and the manner in which any personal information are, or are to be, processed. For the purpose of this Privacy Policy, we are a Data Controller of your Personal Data. Data Processors (or Service Providers) Data Processors (or Service Provider) means any natural or legal person who processes the data on behalf of the Data Controller. We may use the services of various Service Providers in order to process your data more effectively. Data Subject (or User) Data Subject is any living individual who is using our Service and is the subject of Personal Data. Information Collection and Use We collect several different types of information for various purposes to provide and improve our Service to you. Types of Data Collected Personal Data While using our Service, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you (” Personal Data”). Personally identifiable information may include, but is not limited to: Email Address First Name and Last Name Company Name, Company Address, State, Province, ZIP/Postal Code, City and Country Your Company’s phone number Your Job Title in this Company Cookies and Usage Data We may use your Personal Data to contact you with newsletters, marketing or promotional materials and other information that may be of interest to you. You may opt-out of receiving any, or all, of these communications from us by following the unsubscribe link or instructions provided in any email we send. Usage Data We may also collect information on how the Service is accessed and used (“Usage Data”). This Usage Data may include information such as your computer’s Internet Protocol address (e. g. IP address) which we do anonymize so as not to store your exact address and can only see your rough locality via your partial IP address, browser type, browser version, the pages of our Service that you visit, the time and date of your visit, the time spent on those pages, unique device identifiers and other diagnostic data. Tracking Cookies Data We use cookies and similar tracking technologies to track the activity on our Service and hold certain information. Cookies are files with a small amount of data that may include an anonymous unique identifier. Cookies are sent to your browser from a website and stored on your device. Tracking technologies also used are beacons, tags, and scripts to collect and track information and to improve and analyze our Service. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service. Examples of Cookies we use: Strictly necessary Cookies Functionality Cookies Performance/Analytical Cookies Advertising Cookies Third-party Cookies such as Google Analytics https://policies. google. com/privacy? hl=en-GB&gl=uk#intro Use of Data IQ Glass Solutions Ltd uses the collected data for various purposes: To provide and maintain our Service To notify you about changes to our Service To allow you to participate in interactive features of our Service when you choose not to do so. To provide customer support To gather analysis or valuable information so that we can improve our Service To monitor the usage of our Service To detect, prevent and address technical issues To provide you with news, special offers, and general information about other goods, services, and events that we offer that are similar to those that you have already purchased or enquired about unless you have opted not to receive such information. Legal Basis for Processing Personal Data Under General Data Protection Regulation (GDPR) If you are from the European Economic Area (EEA), IQ Glass Solutions Ltd’s legal basis for collecting and using the personal information described in this Privacy Policy depends...



Product Brochures & Datasheets Facebook Linkedin X-twitter Instagram Pinterest Houzz Youtube Complete the adjacent form to let us know which Sieger Systems product brochures or data sheets you would like to receive. Our team will send the relevant information directly to you so you can review the details, specifications and options for your project. 01494 722 882 Visit our showroom First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source



Modern Windows & Doors for Your House Glazing for homes Ensure your home gets the best in design and performance with an aluminium window & door system from Sieger. Request a quote Download brochure Aluminium windows & doors for your home Choosing the right glazing is an important part of any home renovation, extension, or improvement project. Your aluminium windows and doors should not only enhance the appearance of your home, but also deliver lasting performance for years to come. All systems within the Sieger range are manufactured using the latest fabrication technologies and engineered to the highest performance standards, giving homeowners confidence in both quality and durability. Discuss your projects Modern designs with minimal framing Sieger systems are designed with contemporary architecture and slim sightlines in mind, helping to maximise natural light and create clean, modern aesthetics. Whether you are looking for:Slim framed patio doorsSteel-look windowsContemporary aluminium glazing solutionsSieger offer a range of options to suit your home project. Book a consultation Have a project? Send us a message Whether you are specifying Sieger Aluminium Systems for an architectural project or would like to experience the systems firsthand in the showroom, the Sieger team are available to help. First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source



Aluminium Doors & Windows for Builders / Developers Glazing for builders and developers Our high-quality aluminium framed glazing systems give the ultimate illusion of merging inside and out. Request a quote Download brochure Aluminium windows & doors for builders & developers Sieger® Aluminium offer a comprehensive range of aluminium window and door systems suitable for projects of all sizes and specifications. Each system is carefully engineered to meet demanding site conditions and project requirements, making them suitable for both residential and commercial developments. Discuss your project Designed for quality, performance & budget By specifying Sieger® Aluminium systems, builders and developers can be confident they are receiving high-quality products that combine performance, durability, and modern design. The Sieger range is available across a variety of budgets, helping to ensure your project:Achieves the desired architectural aestheticMeets required performance standardsStays within budget expectations Book a consultation Efficient manufacturing & bespoke options With a high-tech fabrication facility, Sieger are able to offer efficient lead times alongside a wide range of bespoke options. Available customisation options include:Bespoke detailingSpecialist finishesIronmongery selectionsProfessional contract and installation teams are also available to manage installation requirements on-site. Speak to our experts Have a project? Send us a message Whether you are specifying Sieger Aluminium Systems for an architectural project or would like to experience the systems firsthand in the showroom, the Sieger team are available to help. First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source



Innovative Aluminium Fenestration for Architects Glazing for architects Achieve ground-breaking architectural designs with the extensive range of Sieger Systems. Request a quote Download brochure Sieger for architects Sieger are expert designers and fabricators of award-winning fenestration systems, advanced aluminium doors, and roof glazing solutions. Operating from state-of-the-art fabrication facilities in South East England, Sieger manufacture bespoke architectural glazing tailored to each individual project. Their in-house design and installation team has delivered hundreds of projects across the UK, ranging from multi-million-pound commercial developments to high-specification residential renovations and extensions. Speak to our experts Industry-leading aluminium systems Sieger exclusively offer the world’s tallest and slimmest thermally broken aluminium bifolding doors, helping to push the boundaries of modern architectural design. These innovations respond directly to growing demand for:Larger glass panelsSlimmer sightlinesTaller doorsWider opening spansThe result is a new generation of glazing systems that allow architects to achieve ambitious designs without compromise. Book a consultation Bespoke design for every project All Sieger systems are designed and manufactured specifically for each project, ensuring flexibility for architects and specifiers with unique requirements. Every system is produced to deliver:Outstanding aestheticsExceptional thermal performanceHigh-quality manufacturing standardsCompliance with, and performance beyond, required industry standards Discuss your project Have a project? Send us a message Whether you are specifying Sieger Aluminium Systems for an architectural project or would like to experience the systems firsthand in the showroom, the Sieger team are available to help. First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source



The Sky House Design Centre Visit our showroom Schedule your visit Get in touch Glazing, in-person Discover expert knowledge and explore an array of Sieger products at the Sky House Design Centre showroom in Amersham. Showcasing unique glazing solutions and aluminium systems in real-life settings, the showroom highlights designs for various project styles and requirements. Our friendly and experienced sales team is available six days a week to provide expert advice, guidance and support, ensuring you choose the perfect Sieger Systems for your needs. Our showroom visits are by appointment only, so get in touch today to book your showroom visit. This also ensures that a knowledgeable member of our showroom team is available to provide technical advice about each of our products, and offer tailored advice to suit you. Schedule your visit Our showroom Address Sieger® Systems Sky House Design Centre Raans Road Amersham Buckinghamshire HP6 6FT Opening hours Monday – Friday: 8:30am – 5:30pmSaturday: by appointment onlyClosed: Sundays and Bank Holidays



Contact Sieger Systems Get in touch with the Sieger Systems team for expert advice on aluminium doors, windows, roof glazing, structural glass and bespoke glazing solutions. Whether you require product guidance, technical advice or support planning your project, our experienced team is here to help homeowners, architects, builders and developers find the right solution. 01494 722 882 sales@siegersystems. co. uk AddressSieger® SystemsSky House Design CentreRaans RoadAmershamBuckinghamshireHP6 6FT Facebook X-twitter Youtube Instagram Linkedin Showroom Opening HoursMonday – Friday 8:30am – 5:30pmSaturday – by appointment onlyClosed Sundays and Bank Holidays Visit our showroom Get in touch with the Sieger Systems team for expert advice on aluminium doors, windows, roof glazing, structural glass and bespoke glazing solutions. First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source To find out about how we process your data, please read our privacy policy. Tap to call our team 01494 722 882 sales@siegersystems. co. uk AddressSieger® SystemsSky House Design CentreRaans RoadAmershamBuckinghamshireHP6 6FT Facebook X-twitter Youtube Instagram Linkedin Showroom Opening HoursMonday – Friday 8:30am – 5:30pmSaturday – by appointment onlyClosed Sundays and Bank Holidays Visit our showroom



Aluminium windows & doors • Fire rated glass • Structural glazing Light-led contemporary glazing Maximising light through contemporary glass doors, windows and facades. Get in touch High-end design Premium aluminium glazing and structural glass systems designed to improve natural light, thermal performance and architectural design across London and the South of England. Book a consultation PART OF THE IQ GLASS GROUP as seen on Grand Designs. Our products Browse the full range. Pivot & casement doors Pivot and casement doors with refined aluminium frames, smooth operation and flexible access for premium glazing schemes. Bifold doors Aluminium bifolding doors with slim profiles, secure performance and wide openings for indoor-outdoor living. Sliding doors Slim aluminium sliding doors with large glass panels, flush thresholds and flexible layouts for premium projects. Entrance doors Aluminium entrance doors with secure locking, refined styles and premium finishes for contemporary, traditional and rural homes. Steel look systems Steel-look aluminium systems with heritage glazing bars, slim frames and modern insulation for doors, windows and bifolds. Window systems Aluminium window systems with clean profiles, secure performance and flexible configurations for premium projects. Roof glazing Roof glazing systems, including lanterns, rooflights, floorlights, and automated designs for light, ventilation, and access. Structural glass Frameless structural glass systems for extensions, glass walls, roofs, oriel windows and light-filled architectural spaces. Internal glazing Internal glass doors and partitions with minimal frames, decorative glass options and smooth sliding, pivot or hinged operation. Fire rated glass Fire-rated glazing systems designed to combine certified protection, clear visibility and refined architectural detailing. Our process Every project is carefully planned to ensure efficient delivery, technical precision and high-quality installation from consultation through to completion. Estimated lead times vary depending on the scope of the project and are based on business days. 01 Initial consultation & quote We assess the project requirements before providing expert recommendations and a tailored quotation. Avg. lead time: 5-7 days 02 Order confirmation & deposit payment Deposits are secured, and final specifications are confirmed before manufacture and project scheduling begins. Avg. lead time: 1-2 days 03 Design & technical planning Layouts, sightlines and technical details are refined, reviewed and approved before manufacture begins. Avg. lead time: 1-2 weeks 04 Manufacture & preparation Systems are manufactured to specification using premium materials and high-performance glazing components. Avg. lead time: 6-10 weeks 05 Installation & completion Experienced installers complete the project with close attention to finish, alignment, performance and final detailing. Avg. lead time: 1 week 01 Initial consultation & quote We assess the project requirements before providing expert recommendations and a tailored quotation. Avg. lead time: 5-7 days 02 Order confirmation & deposit payment Deposits are secured, and final specifications are confirmed before manufacture and project scheduling begins. Avg. lead time: 1-2 days 03 Design & technical planning Layouts, sightlines and technical details are refined, reviewed and approved before manufacture begins. Avg. lead time: 1-2 weeks 04 Manufacture & preparation Systems are manufactured to specification using premium materials and high-performance glazing components. Avg. lead time: 6-10 weeks 05 Installation & completion Experienced installers complete the project with close attention to finish, alignment, performance and final detailing. Avg. lead time: 1 week Our projects Scroll through our recent projects Browse all case studies 01 - 03 Beechcroft The Beechcroft project combines contemporary aluminium glazing, slim sightlines and high-performance systems to maximise natural light and complement the modern architectural design. Discuss your project 02 - 03 South London home A contemporary South London renovation featuring slim-framed aluminium glazing designed to maximise natural light, improve indoor-outdoor flow and create a bright, open-plan family living environment. Discuss your project 03 - 03 Buckinghamshire house A contemporary Buckinghamshire extension featuring large-format aluminium glazing designed to maximise natural light, improve open-plan living and strengthen the connection between the home and garden. Discuss your project Technical advice Choosing glazing systems for a premium property involves more than aesthetics, with performance, efficiency, sightlines and compliance all playing a key role. View all technical advice Planning a new glazing project, extension or architectural renovation? Send us a message Speak with Sieger Systems for expert guidance, technical support, and premium glazing solutions tailored to your project requirements First Name Last Name Email Company Zip Who are you? :--None--Architect Contractor End user Developer Interior Designer Engineer Quantity Surveyor Employee Competitor Project manager Estate agent Supplier Other - web generated Description Web Lead Source To find out about how we process your data, please read our privacy policy. FAQs Find answers to some of the most common questions about our aluminium glazing systems, structural glass installations and architectural glazing services. Request a quote What does Sieger Systems supply and install? Sieger Systems supplies and installs premium architectural glazing systems, including aluminium sliding doors, bifold doors, windows, rooflights, structural glass, entrance doors, internal glazing, balustrades and specialist glass systems for residential...




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- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Sliding doors open up spaces more than any other system. They offer the largest uninterrupted views, maximise natural light, and their clean, contemporary look goes well with any project. Practical and easy to operate, sliding doors glide along a track rather than swinging open, so they’re ideal for tighter spaces.   This comprehensive guide walks you through all you need to know about them – types, materials, glazing options, thermal performance, installation considerations, cost factors and more – so you can select the perfect system for your project. Types of Sliding Doors  Frameless Sliding Doors: Frameless options adhere to your most minimal design visions, using structural glass and concealed tracks. Perfect for projects emphasising a “barely there” aesthetic. Slim-Framed Sliding Doors: Slim-framed doors support large glass panes with minimal aluminium profiles, often as narrow as 20–25mm. Many top systems incorporate thermally broken aluminium frames for superior insulation. For further tips on keeping frames slim and cost-effective, see our 


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Does the functional layout of your kitchen work with a window over sink? If so, you’re on to a winner! At Sieger Systems, we understand that lasting satisfaction starts long before the build, so we’re here to help you figure it all out. Imagine the light streaming in, air circulating; your window over sink is a vantage point that softens the monotony of chores. Beyond the benefits, in this article you’ll find style possibilities, practical considerations, and our latest cutting-edge innovations – whether you’re planning your own renovation, or researching for a professional project.   Why have a Window Over Sink?   The kitchen sink is a hub of activity, often hemmed in by walls or cabinets. A window changes that dynamic, adding layers of visual interest – especially if there’s movement or greenery outside. That’s a real asset, no matter the size of your kitchen. In compact homes, a window over the sink makes the space feel larger, while in expansive layouts, it’s more of a mental landmark that creates a sense of order.   Daylight also reduces reliance on artificial sources. Unlike LEDs, which emit only a sliver of the light spectrum, natural light offers the full range; great for the body clock, which heavily impacts your mood. Then there’s ventilation. Cooking generates steam, odours, and humidity; elements that linger without an outlet. A window over sink is a quick way to get rid of them. Bear in mind that a window over sink will reduce upper storage, but realistically, that’s often outweighed by the interplay of light, air, and openness that turns a utilitarian ‘chore zone’ into what a kitchen should be: a standout feature, home to some of your family’s happiest memories. Window Options for Over a Sink The way you design a window over sink reflects the character of a home or project. For those drawn to classic design (rural retreats or heritage renovations), you have to be careful with wooden frames, as warm and authentic as they may be. The sink is a wet zone, and splashes will inevitably reach your window. Unless you want stains, it’s really important to choose the right window materials. Steel Look Windows Over a Sink Our Sieger Legacy Window system steps up here, with slender, water-resistant aluminium frames echoing the steel-look aesthetic of contemporary builds. Its minimalist profile maximises glass area, delivering unobstructed views.   For cutting-edge residential or commercial projects, our Sieger Innovare system could be your perfect window over sink. The innovation here is the flush glazing that extends not only over the void, but the frames too. It’s a clever way to achieve a frameless effect, prioritising views and daylight. This suits modernist homeowners who need clean lines, integrating effortlessly into a sophisticated kitchen environment. Aluminium Windows Over a Sink At this property, the window over sink takes a quieter, more restrained approach – a horizontal aluminium-framed installation. Perfectly aligned with the kitchen’s rear elevation, this modestly proportioned window offers a calm visual rhythm that matches the space’s contemporary palette of natural wood, matte black detailing, and soft white surfaces.   Here, the window performs two roles. Functionally, it brings in daylight exactly where it’s needed – at the sink, where prep and rinsing take place. Visually, it breaks up the long run of cabinetry without dominating the space. The sleek aluminium frame adds a modern edge while standing up to the daily wear of a busy kitchen.   It’s an efficient layout, with the sink placed centrally along the rear wall, directly beneath the window. It’s flanked by worktops and uninterrupted cabinetry, allowing the eye to travel naturally toward the view. Outside, tree canopies filter the light, creating dappled patterns that shift throughout the day – a subtle, ever-changing backdrop. Fixed Frameless Windows Over a Sink At Crouch Hall Road, the kitchen centres around a serene garden view, made possible by a striking frameless effect structural glass panel, measuring 3185mm wide by 1585mm high. This oversized fixed window sits directly above the sink, offering uninterrupted sightlines through ultra-clear glass, without visible frames. This installation demonstrates how frameless glazing can soften the functional nature of a sink area. The sink itself is positioned in a peninsula layout, with the worktop running into the glazing – making the view a direct and continual backdrop to daily tasks. It’s an example of how structural glazing can transform a kitchen into a calm, connected, and beautifully lit space, without compromising on usability or design integrity. Is a Window Over Sink Compatible with Your Kitchen? It’s easy to make a window over sink look pretty, but it’s more difficult to make it work well. Your home should look good the day it’s finished, and feel right every day after. The main questions are whether a window over sink actually works with your kitchen’s layout, and how well-designed the window you specify is. Journey Mapping your Kitchen  The kitchen work triangle is a classic design principle that maps out the most efficient layout...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Breezing from the living room into a sunlit terrace is one of life’s greatest pleasures, and sliding glass terrace doors can make it happen for you. They blur the line between indoors and outdoors while introducing unparalleled natural light and fresh air into your home. If you’ve been contemplating upgrading your existing doors, or you’re planning a new project, this in-depth guide will give you everything you need to know.  We’ve also included real-life case studies to illustrate what’s possible when you choose the right glazing solutions.   Why Sliding Glass Terrace Doors?   Unmatched Views and Natural Light  Sliding glass doors utilise expansive glass panels that maximise sightlines, offering a breathtaking view of your terrace, garden or surrounding landscape. The infusion of daylight can reduce your reliance on artificial lighting and even tune your natural body clock.   Seamless Indoor-Outdoor Flow  Unlike hinged doors that require space to swing open, sliding doors glide smoothly along a track – perfect for tighter layouts. This minimal footprint means you can integrate them into various design schemes without sacrificing valuable floor area. For more tips on merging indoor and outdoor spaces, see our Patio Doors for Indoor-Outdoor Living Spaces.   Contemporary Aesthetics  Stylish aluminium frames, large uninterrupted panes and ultra-slim sightlines make modern sliding glass terrace doors a design-forward choice. Whether your home is a rustic barn conversion or a contemporary city loft, they can be tailored to blend naturally with your style. Designing with Sliding Glass Terrace Doors  When envisioning new terrace doors, factor in sightlines, threshold design, and how best to integrate them with your interior layout. A flush threshold is ideal for creating a trip-free transition – especially important if you have small children, pets or guests who enjoy wandering in and out barefoot. Concealed drainage can also maintain a stylish aesthetic without compromising on water runoff. The best systems keep frames ultra-thin. This not only looks elegant but also puts the focus on your outdoor view. For peace of mind, look for multipoint locks or systems tested to standards like PAS 24. Laminated glass can further reinforce security; especially important for ground-level installations.   Real Case Studies: Transformations That Inspire  To show you how sliding glass terrace doors can truly transform a space, here are three case studies that highlight diverse styles and functional needs:  Stable Barn Transforming a Historic Barn into a Contemporary Living Space  In Wiltshire’s countryside, Stable Barn needed a Sieger Systems upgrade without losing its rustic charm. The owners aimed to maximise natural light while maintaining the barn’s original aesthetic. Sieger Systems supplied custom aluminium barn doors, including two-track sliding door systems, to flood the interior with daylight and offer sweeping views of the rural landscape. If you’re renovating a traditional structure, choose slim-framed sliding doors in classic RAL colours. This creates a harmonious blend of old and new, while offering modern conveniences like thermal efficiency and advanced wind resistance. Orchard Road Living Room Extension with a Family-Friendly Twist  For an Edwardian terraced home, the goal was to add a pavilion-style extension that connected harmoniously to the garden. Sieger Systems engineered a three-track sliding door measuring 6. 5 m in width and 2. 84 m in height, featuring minimal 48 mm sightlines. The family’s cat needed direct garden access, so a sliding door with a cat flap was integrated right into the glass panel. Bespoke design can address the unique needs of every household member; pets included. Carefully planned glazing solutions can enhance both function and aesthetics, creating flexible spaces that cater to daily life.   Dry House Contemporary Addition to a Grade II Listed Home  When extending a historic Grade II Listed building, you must respect strict regulations and preserve its character. At Dry House in Oakham, the owners added a rear extension connected by a fully glazed structural link; a visually subtle yet stunning way to separate old and new. Slim framed sliding glass doors in multiple configurations provided wide-open access to the outdoors, while thermally broken aluminium maintained a comfortable indoor climate.   For heritage buildings, minimally framed glazing can highlight the original architecture while introducing natural light and state-of-the-art functionality. Special finishes and coatings help the addition blend seamlessly with a listed façade.   Ready to Upgrade?   Interested in learning more about how our sliding glass terrace doors can transform your home space?  Contact us today for tailored advice, a detailed quote, or to book a showroom visit!  


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Time and again, aluminium bifold doors are a top choice for modern residential installations. Generally, the goal is to create expansive openings and seamless transitions to the outdoors, so your main choice is typically between bifold doors and sliding doors. Bifold doors transform spaces by offering a full, unobstructed opening that sliding doors can’t quite achieve. They fold back neatly to one or both sides, removing 90% of the barrier between indoors and outdoors, whereas sliding doors always leave a fixed panel in place. This complete openness extends your living area, making a significant difference to both small and large spaces, especially during gatherings or when enjoying good weather.   Greater design flexibility comes with having options for exactly where the doors stack, the inclusion of traffic doors for everyday convenience, and even the ability to create dramatic corner openings that eliminate entire walls. The concertina effect of the doors folding also adds a dynamic architectural element; it’s beautiful and functional.   As a result, aluminium bifold doors have become a hallmark of modern architecture. This comprehensive guide covers every aspect of them, from benefits and design options, to technical considerations and installation tips. Why Choose Aluminium Bifold Doors  Aluminium bifold doors offer several advantages over doors made from other materials. Unlike uPVC, aluminium frames do not discolour or warp over time, resisting sun-induced fading and thermal expansion issues. Compared to timber, aluminium requires minimal maintenance, offering superior longevity without the need for regular treatments to prevent rot and warping. While steel frames provide a sleek appearance, they are heavier and more expensive. Aluminium delivers a similar aesthetic, with the added benefits of being lightweight and cost-effective.   For a deeper dive into steel vs aluminium framed glazing, click here! Environmental Benefits  Aluminium is highly recyclable, reducing the environmental impact associated with production. Its energy efficiency contributes to lower heating and cooling costs, thereby reducing your carbon footprint. By choosing aluminium bifold doors, you are making an eco-friendly decision without compromising on style or functionality.   Steel-Look Aluminium Bifold Doors  For those seeking an industrial or Art Deco aesthetic, steel-look aluminium bifold doors offer the desired style without the drawbacks of steel. These doors provide a cost-effective way to achieve the steel appearance, as aluminium is less expensive. Additionally, aluminium’s lightweight nature makes it easier to install and operate. Its natural corrosion resistance eliminates the need for extra protective treatments, ensuring longevity and minimal maintenance.   Need more information? Check out the advantages of a steel look bifold door!   Design Options  Aluminium bifold doors are highly adaptable and can be tailored to suit various openings and design preferences. Individual panels can reach up to 1. 2 metres wide and 3 metres high, with some models like the Sieger Super Lux Bifold Door extending up to 5 metres in height. There is virtually no limit to the number of panels you can include, allowing for expansive glazed walls that can transform a space.   You have the choice between inward or outward opening doors, depending on space availability and personal preference. Corner openings are also possible, creating dramatic effects by opening up two sides of a room. Bi-parting doors, where panels split and fold to both sides, are ideal for large openings. Incorporating a traffic door (a single door within the bifold system) provides everyday convenience without the need to fold all panels. For the full breakdown on which bifold doors are best, click here!   Sightlines and Aesthetics  Slim profiles are a hallmark of modern bifold doors, maximising views and natural light. The Sieger Lux Bifold Door boasts the slimmest sightlines on the market at just 74mm overall, thanks to structurally bonded glazing. For those seeking a balance between slim profiles and cost-effectiveness, the Sieger 120 Bifold Door offers 120mm sightlines.   You can customise your doors further with glazing bars, adding horizontal or vertical elements to achieve traditional or industrial aesthetics. These glazing bars can match the frame finish for a cohesive look, enhancing the visual appeal of your installation.   Frame Finishes  Aluminium frames can be finished in a variety of ways to suit your design needs. Polyester Powder Coating (PPC) is a popular option, available in over 200 RAL colours, providing a durable and vibrant finish. Special finishes such as anodised metallic looks or timber-effect coatings are also available, allowing you to fulfil specific design requirements and achieve unique aesthetics.   Flush Thresholds  As mentioned, creating a seamless transition between indoor and outdoor spaces is a key advantage of bifold doors. Flush thresholds eliminate steps, enhancing accessibility and visual flow. Integrated drainage systems ensure weatherproofing without compromising the flush aesthetic, maintaining a clean and uninterrupted floor line between your interior and exterior spaces.   Glass Specifications  The choice of glazing impacts thermal efficiency, acoustic performance, and overall comfort. Deciding between double and triple glazing depends on your specific needs.   Double...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Aluminium doors offer unparalleled design flexibility, robust security features and exceptional durability, making them an ideal choice for both residential and commercial properties. This comprehensive guide delves into everything you need to know about aluminium doors – from selecting the perfect entrance door to understanding the benefits of internal doors and patio systems. We’ll also explore specialised options like doors for exposed locations and pet-friendly designs, providing you with all the information you need to make an informed decision. / 1: Why Choose Aluminium Doors  Aluminium doors are widely considered superior to alternatives like timber, uPVC, and steel, thanks to their exceptional strength, low maintenance and sustainability. Aluminium is 100% recyclable and offers high thermal insulation, making it an environmentally responsible choice. Its inherent strength allows for slimmer frames and larger glass panels, maximising natural light and providing expansive views. Moreover, aluminium doors are highly customisable, available in a vast array of colours and finishes to suit any architectural style.   2: Selecting the Perfect Aluminium Entrance Door  Choosing the right entrance door is a critical decision that significantly impacts your home’s curb appeal and security. An entrance door is not just a functional element; it’s a statement about your personal style and the overall aesthetic of your property.   Design Considerations  When selecting an aluminium entrance door, consider how it complements the architectural style of your home, the surrounding environment, and the materials used in your property’s construction. For instance, contemporary homes might benefit from sleek, minimalist designs with clean lines, while traditional properties may require doors that mimic classic styles.   For a detailed exploration of factors to consider when choosing an entrance door, read our comprehensive guide.   Glazing Options  Incorporating glazed panels into your entrance door can significantly enhance natural light within your entryway, creating a warm and inviting atmosphere. Glazing options range from horizontal and vertical panes to square tiles and even double arches. Triple glazing is standard in Sieger Entrance Doors, ensuring high thermal performance without compromising on style.   Security Features  Security is paramount when it comes to entrance doors. Modern aluminium doors come equipped with advanced locking mechanisms, such as multi-point locks and biometric systems. Sieger entrance doors, for example, feature 10-point locking bolts integrated into the door, providing significantly enhanced security over traditional single or double bolt systems.   Ironmongery Choices  The finishing touches, such as door handles, letterboxes, and knockers, play a crucial role in the overall aesthetic of your entrance door. Sieger offers a wide range of ironmongery options categorised into Contemporary, Classic, and Heritage styles. These accessories can be matched with any of our entrance doors, allowing you to create a bespoke design that perfectly reflects your home’s character.   3: Aluminium Entrance Door Designs  Aluminium doors offer unparalleled design flexibility, catering to a wide range of architectural styles, from ultra-modern to classic and rustic.   Contemporary Designs  For those seeking a modern aesthetic, the Contemporary Range of Sieger Entrance Doors is an excellent choice. These doors feature straight lines, square glass cut-outs, and minimalist ironmongery, available in a plethora of colours, including matt finishes and textured metallics. The structural bonding of the aluminium door to an A+ thermal core minimises sightlines and visual interruptions, enhancing the sleek appearance.   Traditional and Cottage-Style Doors  If your property exudes traditional charm, aluminium doors can still be a perfect fit. The Grosvenor Door Range from Sieger is designed with classic London townhouses in mind, featuring bevelled decorative panels and glass inserts. For rural or cottage-style homes, the Rural Door Range offers characterful designs with options for small vision panels in various shapes.   To explore traditional aluminium door options, visit our guide on Aluminium Entrance Door Designs.   4: Aluminium Doors for Exposed Locations  Properties located in exposed areas, such as coastal regions or open plains, face unique challenges due to harsh weather conditions like high winds and heavy rain. Aluminium doors are particularly suited for these environments because of their strength, durability, and low maintenance requirements.   Wind Loading Considerations  Wind load is a critical factor when specifying doors for exposed locations. The force exerted by high winds can impact the structural integrity of doors, especially large glass panels. Aluminium doors undergo extensive testing for air permeability and water-tightness, ensuring they meet strict performance standards.   For detailed insights into choosing doors for exposed locations, read our article on Aluminium Doors for Exposed Locations.   Material Durability  Aluminium’s natural resistance to corrosion makes it an ideal material for harsh environments. Unlike timber or uPVC, aluminium does not warp, rot, or require frequent maintenance, providing a long-lasting solution for your property.   5: Benefits of Aluminium Internal Doors  Aluminium internal doors are gaining popularity for their ability to create fluid, light-filled spaces while offering the option to separate areas when needed. They are...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Aluminium glazing systems have become the cornerstone of modern architecture, seamlessly blending aesthetics, durability and functionality. From expansive sliding doors that dissolve the boundary between indoor and outdoor spaces, to stylish windows that flood interiors with natural light, aluminium has emerged as the material of choice for architects, builders and homeowners alike. This comprehensive guide explains why aluminium is an effective construction material, explores various types of aluminium glazing systems and provides insights into selecting the right products for your project. Why Aluminium is an Effective Construction Material Aluminium’s rise in the construction industry is attributed to its exceptional properties that align with modern architectural demands. Its strength-to-weight ratio is unparalleled, providing robustness without the burden of excessive weight. This makes it ideal for large structures and expansive glazing systems that require both durability and ease of installation.   Moreover, aluminium naturally forms a protective oxide layer, granting it remarkable resistance to corrosion and weathering, even in harsh environments. Its malleability allows it to be extruded into complex shapes and profiles, enabling bespoke designs and intricate architectural features that were previously unattainable.   Sustainability is another key advantage. Aluminium is fully recyclable without any loss of quality, aligning with the increasing emphasis on environmentally friendly construction practices. Additionally, modern aluminium glazing systems incorporate thermal breaks and insulation, enhancing energy efficiency and soundproofing. To delve deeper into why aluminium is such an effective construction material, read our detailed article “What makes aluminium an effective construction material? “.   Advantages of Aluminium Glazing Systems Design Flexibility  Aluminium’s versatility is a boon for architects and designers, allowing for the creation of slim profiles that support large panes of glass with minimal framing. This maximises natural light and offers unobstructed views, a hallmark of contemporary design. The material can be powder-coated in any RAL colour or finished with special coatings, including wood-effect or metallic finishes, to match any design scheme. This flexibility extends to custom configurations, from traditional casement windows to modern sliding and bi-folding doors. Durability and Low Maintenance  One of the standout features of aluminium glazing systems is their longevity. These systems often last over 45 years with minimal maintenance, making them a cost-effective choice in the long term. Aluminium does not warp, rot, or rust, making it suitable for various climates, including coastal areas. Maintenance is straightforward, requiring only simple cleaning without the need for repainting or special treatments. For tips on prolonging the life of your aluminium glazing, check out our maintenance guide “How to prolong the life of your aluminium glazing“. Environmental Benefits  Aluminium’s recyclability means it can be reused indefinitely without loss of quality, reducing environmental impact. Enhanced thermal performance reduces heating and cooling requirements, lowering energy consumption and contributing to a building’s sustainability credentials.   Maximising Natural Light Within the Home Natural light is a crucial element in architectural design, significantly impacting the ambience and functionality of living spaces. Aluminium glazing systems, with their slim profiles and large glass areas, are instrumental in maximising natural light. Exposure to natural light boosts Vitamin D production, strengthens the immune system, and regulates circadian rhythms, improving sleep quality. Mentally, it reduces stress, increases productivity, and fosters a positive atmosphere.   Aluminium systems allow for expansive glazing areas, with options like floor-to-ceiling windows, skylights, and glass doors enhancing light flow. Internal glazing, such as glass partitions and internal doors, further distributes light throughout interior spaces. For a more comprehensive understanding of how to maximise natural light in your home, read our full guide “Maximising Natural Light Within the Home“.   Biophilic Design and Glazing Biophilic design is an architectural approach that seeks to connect building occupants more closely to nature. Incorporating natural elements like light, vegetation, and materials enhances well-being and productivity. Aluminium glazing systems play a pivotal role in this design philosophy by providing unobstructed views through large windows and glass walls, maximising daylight, and creating seamless transitions between indoor and outdoor spaces with sliding or bi-folding doors.   Decorative glazing can also incorporate natural motifs or materials, such as leaf patterns or organic textures, further enhancing the biophilic connection. To explore how glazing can be used to incorporate biophilic design into your home, check out our detailed article “Using Glazing to Incorporate Biophilic Design Into Your Home“.   Making a Statement with Glazing Glazing can transcend its functional role to become a bold architectural statement. Oversized glazing, for instance, creates a striking visual impact and offers expansive views. Glass walls, whether fixed or operable, enhance modern aesthetics and can make the interior space feel larger and more connected to the outdoors.   Pivot doors add innovation and elegance with their unique pivoting mechanisms, while glazing bars can introduce character, offering an industrial or traditional look depending on the design. Unique frame finishes, such as bold colours or contrasting finishes,...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

When designing a new extension, sliding doors will often be one of the main focal points, possibly covering your entire wall with glazing... But how much do they cost? Many factors affect how much aluminium patio doors cost. You may find a small set of sliders for around £4,500. 00 ex VAT, and you can also select a large triple track slider north of £15,000. 00 ex VAT.   Cost is certainly a major factor, but always consider the value they will bring to your home, and what’s important to you. Below we have listed the key factors to consider when specifying how much your sliding aluminium patio doors cost.   Factors Influencing Cost Sightlines One of the most sought-after features in modern patio doors are slim sightlines. The slimmer the interlocks (the vertical bars between glass panels), the more light you allow into your home. Slimmer profiles are generally more expensive, because they require advanced engineering to minimise frame width yet maintain structural integrity. For example, sightlines can vary from as thin as 20mm to as thick as 117mm, with thinner profiles often commanding a higher price. Thermal Efficiency While slim frames are beautiful, they may not always offer the best thermal performance. If energy efficiency is a priority, you might want to consider doors with better u-values, which indicate better insulation performance. Investing in thermally efficient doors can lead to savings on your energy bills in the long r Glass Options The glass you choose is just as important as the frames. Toughened glass is the minimum requirement in sliding doors, but you may wish to opt for Laminated Glass A step up from toughened glass, with great thermal performance and applied wherever safety is a concern. Solar Control Glass Ideal for south-facing properties, this glass reduces heat gain.   Laminated Solar Control Glass Can be specified for the best of bot Design and Aesthetics Sliding doors can be specified with one, two, three or four doors sliding, and how the doors function is as just significant as their appearance. Specify them with a flush track, for a seamless finish with your internal floor level. Be sure to engage us early in your design process to really perfect this detail. What to Ask for When Specifying Sliding Doors When you’re ready to specify how much your aluminium patio doors cost, make sure to discuss the following: The type of glass that will best suit your home’s orientation and your personal comfort needs Desired sightlines and how they will impact both the look and performance of your doors. The level of thermal efficiency required for your home. Any specific security needs that might necessitate upgraded options. While aluminium patio doors cost a lot in some cases, understanding the various factors that influence this cost allows you to make an informed decision that balances aesthetics, performance and long-term value. There are certainly cheap options out there, but it really is worth specifying doors that will meet your needs well into the future. Contact us


- Categories: Home advice, Tech advice
- Tags: Advice Posts, bifold door, cost of bifold doors, glazing options, Technical Article, triple or cdouble glazing

When it comes to specifying bespoke glazing systems, the cost factors involved can be overwhelming. From size, configuration, colour, locking options, it can be difficult to know which is right for your project and budget. Knowing what cost factors are involved where specifying bifold doors are half the battle. If in doubt our experienced technical sales team are on hand to help assist with any questions. At Sieger, we manufacture high-quality, bespoke aluminium bifold doors. Each system is made to order to ensure it meets any specific design requirements, and as such we have no set price as there is no standard bifold. We have four bifold doors to choose from, each with its own set of design options. This price guide for bifold doors will ensure you consider all cost factors bespoke specifying your bifold doors. Glass Specification Double or triple glazing Whether double glazing or triple glazing is specified will affect how much the bifold doors cost. A triple glazed bifold door will be more expensive due to the extra pane of glass, extra insulating gas cavity and deeper frame needed to accommodate these. However triple glazing can help to reduce costs of heating bills due to the increased thermal efficiency. Glass Options Sieger offers a wide range of glazing options for all of our systems. This includes but is not limited to low iron glass, glazing with solar control coatings and decorative glazing such as glazing with coloured or fabric interlayers. The extra steps needed in the manufacturing of systems with these types of glazing options incur extra costs. Often these coating or glass types are not necessary, however, there are some cases we would recommend them. One instance of this would be if a large bifold door, our Sieger Super Lux Bifold Door for example which can reach staggering heights of 5m tall, was south facing. In this case, we would recommend a solar control coating to avoid overheating in the internal living space. All of our insulated glazing systems come with a low e coating as standard, at no extra cost. Style One obvious factor when it comes to the cost of aluminium bifold doors is the size. Naturally, the bigger the door the more glass and frame and therefore they are more expensive. This goes for the height and width of each pane as well as the number of panes. Our Sieger Super Lux Bifold Door systems can reach up to 5m tall and 1. 2m wide. With no maximum number of panes for our Sieger Lux and Super Lux Bifolds doors, these systems can be manufactured to fill extremely wide structural openings. Configuration Another factor that is important to consider is the configuration of the bifold door. Our systems can be corner opening, biparting and include a traffic door. Configuration can sometimes increase the cost of a bifold door as there are extra steps and considerations during the design process. Why choose aluminium? Choosing the right frame material is the first step. uPVC, aluminium, steel and timber are all popular choices and when it comes to choosing the right one for your project there are many factors that need to be considered. Steel framed bifold doors are the most expensive framing option, and whilst steel framed glazing does have many benefits, aluminium is the superior frame material for glazing systems. uPVC is the cheapest option for bifold doors; however, this frame material comes with many disadvantages such as discolouration from the sun, expanding with temperature changes and lower thermal performance. Timber framed bifold doors are high maintenance and there are fewer finishing options, limiting the design if you want the bifold door to fit in with a specific aesthetic. By process of elimination that leaves aluminium at the top choice for bifold doors, especially over uPVC and timber. Aluminium is a low maintenance frame material that has a wide range of frame finishing options, is cost-effective, durable and environmentally friendly. Frame Finish Glazing can be used to make a statement about your home, and so having flexibility in design is essential. whether you want your bifold doors to stand out against the rest of the home or blend in seamlessly with its surrounding, being able to specify bifolds with specific design requirements is essential. Our aluminium bifold doors can be finished with a polyester powder coating in any RAL colour. PPC is the most popular finishing option for aluminium framed doors as there are over 200 RAL colours to choose from and the process doesn’t release harmful pollutants into the air. Other frame finishing options for aluminium include anodising and special finishes such as timber effect. With all this being said, if there are budget restrictions on a project, glazing is not the place to cut corners. Glazing has the ability to transform the overall design of internal and external spaces and can...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, Technical Article, triple glazed rooflight, triple glazed sliding door, triple glazed windows, triple glazing

Triple glazing refers to a glazing system that uses three panes of glass. This could apply to a slim framed window, casement or pivot door, or rooflight. In between the panes, there is often a gas-filled cavity, Sieger use argon as it is one of the most insulating options for glazing units. Some glaziers will leave it as an air-filled gap, which has proven to be inefficient when it comes to insulation and thermal performance levels. There are many differences between triple glazing, double glazing and single glazing, including cost, thermal performance and noise reduction. This article will look at the differences and the benefits of using triple glazed systems in your project. Thermal Performance Due to the extra pane of glass and insulating cavity, triple glazed systems are higher in price than double or single glazed systems. Although triple glazing may not be as cost-effective initially, triple glazing can help to save money in the long run. The increased thermal performance means less money needs to be used heating and cooling the home, which over the years adds up to be a significant amount. If the effort of reducing our carbon footprints and ensuring each home is as thermally efficient as possible, many would argue that triple glazing should be a requirement for new build homes going forwards. When building home to Passivhaus standards, triple glazing is often a necessity due to triple glazed windows and doors having unparalleled thermal performance and airtightness compared to double glazed units. Whether you opt for double or triple glazing for a building envelope, it is vital to ensure that any metal framed glazing has a thermal break. All of Sieger’s external glazing systems use a polyamide thermal break to prevent heat loss through conduction. Increased Security and Size If someone was attempting to enter the home through a window or glass doors, having the extra pane of glass makes it extra difficult to get through. The extra pane greatly reduces the chance of someone being able to break through the glass and the deeper frames make it more difficult to remove the glass panes, increasing the overall security of the system. Triple glazed systems can also generally reach bigger sizes than double glazed systems. Triple glazed windows and doors need a deeper frame profile to allow for the extra pane of glass and insulating cavity, and these deeper frames are able to reach larger sizes. For example, our Sieger Slim Sliding Door which is a double glazed sliding door with a low e coating as standard can reach 2. 5m wide x 3m tall per pane, whilst our Sieger XL Sliding Door which is a triple glazed sliding door can reach 4m wide x 4m tall per pane. Contact us


- Categories: Home advice, Tech advice
- Tags: Advice Posts, decorative glazing, glass walls, glazing bars, internal glass door, internal glazing, oversized glazing, pivot door, Roof Glazing, Technical Article

When it comes to designing your home, whether it’s a new build, extension or renovation, choosing the right glazing is essential. Glazing can change the overall look of the exterior design, as well as the internal spaces and interior design. Glazing can be utilised to maximise natural light and create a strong bond with the outdoors, both of which have many benefits for a home and its occupants. Sieger’s glazing systems can also be designed in a way to make it stand out, creating a striking design feature to make a statement. This can be done through the use of oversized glazing, decorative interlayers, unique frame finishes and bespoke glazing bar designs. This guide will enable you to specify your glazing systems in such a way that they reflect the desired aesthetic, whilst meeting specific project requirements. The starting point for specifying statement glazing is what you want the glazing to achieve. Do you want the glazing to help the inside of your home appear bigger? Or to give the home an industrial aesthetic? Or maybe just to stand out against other homes in the area. Either way, Sieger have a glazing system that can achieve this. Oversized Glazing Glass Oversized anything is an easy way to make a statement, whether this is in glazing, art or furnishings. Using oversized glazing systems, such as our Sieger XL Sliding Door which can reach 4m tall, can make a statement in multiple ways. The huge influx of natural light will help the interior spaces to appear bigger and using large glazing elevations can help the home to stand out against others, especially when it comes to homes in congested areas such as London townhouses. Glass To Glass Corners Incorporating a glass to glass corner within a home, whether this is structural glass or opening corner sliding or bifolding doors, creates a stunning design especially when viewed from outside the home. Glass corners can completely open up an internal living space and help to really maximise natural light as the light is able to flow into the home freely throughout the day as the sun makes its way across the sky. Glass Walls Another way to make a statement using slim framed aluminium glazing systems is to create an entire wall of glass in your home. This can be done using floor to ceiling sliding doors or bifolding doors or even tall casement doors with fixed sidelights. From both inside and outside the home, this creates an ultra-modern design and is something not often seen in the everyday home. Pivot Doors Pivot doors are favoured by many homeowners thanks to the equal design of the framing that surrounds the glass pane. When open, the door reveals its innovative pivoting mechanism, leaving guests envying your home. These unique pivoting door systems can reach staggering sizes, with the Sieger Lux Pivot Door being able to reach heights of 5m and widths of 1. 6m. This door looks extremely impressive and is uncommon in most homes, although these types of systems have grown in popularity over recent years. Glazing Bars Glazing bars are an excellent way to make a statement with your glazing. They can be used to give an industrial edge to a property or to add an elegant touch to a timeless architectural style. Our Sieger Legacy Range has a variety of steel-look aluminium framed glazing systems including windows, doors and rooflights. Striking glass facades can be incorporated into a home design and many architects and homeowners favour these on the rear of the property. As the glazing bars on most of our system are applied, it gives us much more flexibility with the glazing bar design. We are not limited to the standard horizontal or vertical bars but can in fact manufacture systems with bespoke designs including diagonal bars. Unique Frame Finishes The slim aluminium frames of our high-quality glazing systems can be finished with a polyester powder coating in any RAL colour, as well as other frame finishing options. Dark, bold frames or a bright unusually coloured coating can be used to make the glazing contrast and stand out against the rest of the home. Internal glazing Incorporating internal glazing into a home comes with many benefits. It allows light to flow through, reaching parts of the home which were previously dark and dull. When it comes to making a statement within the home, one unique glazing solution is incorporating a walk on floorlight into one of the rooms. This allows lights and views to pass through between floors. This is a unique design feature in the home and would not be missed by visitors, standing out against the rest of the internal flooring. Another statement would be to use a frameless glass balustrade by the stairs or on a mezzanine floor level, instead of standard wooden or metal bannister railings. This minimalist internal glazing solution tells people that your interior has been designed...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, broken plan living, internal glass door, internal glazing, open plan living, Roof Glazing, Technical Article

Open plan living has dominated architectural home design for the last couple of decades. Majority of homes across the country have sought to knock down separating walls and extend their home to create large open plan kitchen-dining living spaces. This home design can help the space to appear bigger and brighter, and families with children are able to keep an eye on them whilst making dinner or watching TV. Broken plan living, a growing home design trend, still loosely follows an open plan design but with spaces segmented through the clever placing of half walls and internal glazing. The pandemic kickstarted the rise in demand for this home style as many people needed separate areas of their home for things such as work and exercise, which normally would have been done away from the home. Whether you’re building a new home or extending an additional one choosing the right layout can be tricky, but luckily the team at Sieger are here to help. For a long time, open plan layouts were the go-to for many homeowners. This home design combined with slim framed glazing systems helps interior space appear bigger and gives large internal spaces a strong connection to the outdoors. Having this style of home also makes a great space for entertaining guests. Before the pandemic, many people used their home as a space to relax in the evenings and have family and friends over at the weekend. In 2020 when the gyms and pubs closed and many people had to work from home, houses became so much more. These spaces now had to be multifunctional, acting as a workspace, school space, workout area and a place to relax. For homes with open plan layout this proved difficult, but internal glazing and a broken plan layout can fix this. Since the first COVID-19 lockdown, the demand for broken plan living spaces has increased rapidly. People needed segmented living spaces to be able to separate the different areas of their lives. Being able to work in one room and then when you leave that room for the day, it mimics the feeling of leaving work is extremely important. This way any work life stress can stay there, enabling people to be able to relax in other parts of the home. By using half walls and internal glass doors, this provides internal living spaces with a certain degree of separation without completely closing off rooms. Incorporating rooflights and roof glazing systems into a broken-plan home design and using clear internal glass doors or partitions is an ideal choice as it still allows light to flow into and through the home, preventing any spaces from becoming dark and dull. Sieger’s new MIRO internal glazing range can be specified with sandblasted glass for privacy, with a clear glass pane to allow light flow through or with glazing bars for an industrial style aesthetic. We also offer five different types of slim framed aluminium rooflights and roof glazing solutions, ranging from lantern rooflights, to flush conservation rooflight systems and even an automated venting rooflight system. At Sieger our range of internal glass doors gives homeowners the options to benefit from both and open plan and a broken plan home. Our internal glass sliding doors can be specified in a pocket configuration, depending on the building structure, allowing to space to be separated when closed, but when the doors are open and concealed within the internal walls the spaces can be completely merged creating one open place area. All of our internal glass doors come within a range of glazing options so whether you need a space where privacy is required or desire a decorative glazing style which can turn the internal glazing into a design feature in itself, our systems are the right choice. If the only issue with an open plan layout is needing a separate space to work from home or exercise, an alternative option could be a garden room. These small external buildings tend to use floor to ceiling glass doors to form wrap-around glass walls, giving the space a calm atmosphere thanks to the scenic views and strong connection to the outdoors. Garden rooms can be multifunctional spaces, but over the past year, many have been designed to act as areas for work or exercise. This means people can still have an open plan layout in the main home and a separate space for these activities. Sieger has a wide range of slim framed sliding doors, bifold doors, casement doors and pivot doors. All of our aluminium glazing systems have flexible designs and are manufactured bespoke to fit specific design requirements. This means that no matter the project, our systems can be designed to enhance the space. Overall, it’s difficult to say if one layout is better than the other as there are many factors that need to be considered such as homeowner’s preferences and...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, heat soaked glass, nickel sulphide inclusions, spontaneous glass breakage, Technical Article, thermal shock, toughened glass

Spontaneous glass breakage is an extremely rare occurrence, however it is a possibility. There are a few reasons that glass would break without impact and the two main ones are nickel sulphide inclusions or thermal shock (also known and thermal stress). This is a topic not often spoken about and can come as a shock to homeowners when two years after installation their glazing suddenly shatters. It is important to know what can cause spontaneous glass breakage, when it should be a concern and what can be done to prevent it. Did you know? Sieger Systems are an industry leader in Structural Glass Causes of Spontaneous Glass Breakage Thermal Shock When there is a significant temperature differentiation across the surface of a glass pane, this can put the glazing under what is known as ‘thermal shock’, also known as ‘thermal stress’. This can occur in different ways such as there being a drastic difference between the edge and the centre of the pane. Changes in temperature cause glass to expand and contract, and when this is done at different severities across the glass with the edges and centres changing in opposite directions, the pane is put under stress which can cause it to break. Nicked Sulphide Inclusions During glass production, small nickel sulphide stones can form within the glass, there is no specific cause for this it is a random but rare occurrence. This small impurity, known as a nickel sulphide inclusion, can sit dormant for weeks or even years after manufacturing and installation. These inclusions will contract while the glass cools and become enclosed within the glass, remaining in their contracted state. Over time these inclusions will try to expand back to their original state, and occasionally they will succeed causing the glass to shatter ‘spontaneously’. The pane shatters if these stresses exceed the strength of the glass, causing it to break. Nickel sulphide inclusions breakages are often characterised by a distinctive pattern that resembles a butterfly or figure of eight. How to Prevent Spontaneous Glass Breakage Toughened Glass Using toughened glass in a glazing system reduces the risk of spontaneous glass breakage from thermal shock. The rapid heating and cooling process eliminates weak panes leaving glazing that is up to five times stronger than standard float glass. The toughening process can also reduce the already very low risk of nickel sulphide breakages. This is due to the nickel contaminants in the glass reacting with sulphur during the heating process. Heat Soaked Glass Heat soaking is an extra step that can be included in the glass manufacturing process. It involves a controlled heating cycle that accelerates and nickel sulphide expansion that would occur over time resulting in any weak panes that would have been at risk of a nickel sulphide shattering. This process eliminates about 95% of problem panes, however no process can eliminate 100% of nickel sulphide inclusions. Sieger used toughened glass as standard to ensure our glazing systems surpass requirements and keep our customers safe. Heat soaking incurs additional costs and it not always necessary however there are some applications where we may recommend it. Heat soaking may be necessary for installations located in hard to reach places, as replacing the glass would be difficult and possibly costly. It can also be useful for decorative glazing that has intricate designs that would be difficult to replicate. Again, spontaneous glass breakage is extremely rare and should not be a concern in majority of cases. If you have any questions don’t hesitate to get in touch with the team who will be happy to help. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

What is Structural Glazing? What is glazing? By the glazing definition, it’s fitting glass into windows, doors, or walls. Simple enough. The glazed definition means surfaces covered with glass panels. Add the structurally defined glazing, and you’ve got glass that, beyond being there for show, supports the building. That’s structural glazing at its core. We bond structural glass directly to the framework, and we also preclude the need for visible supports that clutter your design. With structural glazing and glass, you get clean lines and lasting transparency. In glazing in architecture, it’s a tried and trusted solution. At Sieger Systems, we use structural glazing in modern architecture to deliver strength and style with no trade-offs. Architects and builders are enthusiastic about achieving the high performance and beauty it offers. Where to Apply Structural Glazing Structural glazing in modern architecture works wherever glass needs to stand out. Homeowners want wide-open views, and builders need durability. Our structural glazing keeps your panels stylish and sturdy, even at large scales. No bulk, just results. Insulation is a hot topic.  Triple glazing and double glazing outperform single glazing every time; these considerations are vital for such big pieces of glass. Single glazing falls short on heat retention and noise control. Pair triple glazing or double glazing with our structural glazing, and you’ve got high-efficiency setups for homes or offices. Energy costs drop. Comfort improves. Beyond being environmentally friendly, it just makes sense. For glass extensions, structural glazing is your best bet. A structural glass roof floods interiors with light, setting residents’ body clocks and boosting moods. A structural glass wall stays solid while expanding sightlines, for an epic view of your garden. Whether you’re renovating or building anew, this is how you boost value and space, without skimping on quality. The Role of Glass in Modern Architecture Glass shapes modern architecture, and structural glazing pushes it further. Aiming to be the new ‘modern architecture London’? Enlist us to create striking facades and frameless entrances. These designs grab attention. Modern architecture calls for structural features that deliver results, and our glass structures are just a phone call away. Every glass structure we craft blends looks with purpose. Structural glass design is decoration in a sense, and also extremely precise engineering. Architects gain creative control, and developers get dependable performance. Whether it’s a residence or a commercial build, Sieger Systems creates structural glazing in modern architecture that breaks barriers and lasts the distance. Benefits of Structural Glazing Here’s why structural glazing wins. Natural lighting streams in, reducing the need for artificial lights (extra cost savings). Real sunlight changes spaces, and the people within them, by making them bright, open, and useful. Then there’s transitional spaces. Indoor-outdoor space is key in today’s designs, and structural glazing makes the most of it. You gain smooth flow between areas, improving functionality. Architects value like that. Homeowners love it.


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Modern architecture thrives on glass – its clarity, structural possibilities and ability to merge interior and exterior spaces make it integral to today’s building envelopes. However, the sheer variety of architectural glass types can be overwhelming. Float glass, low-iron glass, low-e coatings, laminated interlayers and more; each offers unique performance characteristics essential for design success. In this guide, we cover the main types of architectural glass, explore how they’re manufactured and highlight where each specification excels. Whether you’re designing a minimalist curtain wall, a frameless balustrade or making a statement with a glass draught lobby, this guide will help you choose the right solution and understand the nuances that matter.   Float Glass: The Foundation of Architectural Glazing  What is Float Glass?   Architectural glass typically starts as float glass before further treatment. At Sieger Systems, we enhance these base panes with lamination, toughening, heat-soaking and/or specialty coatings to meet modern safety and performance standards.  Formed by floating molten glass on a bed of molten metal (commonly tin), the float glass production process yields a smooth surface and a uniform thickness. Key Attributes  Uniform Thickness  The ‘raw’ substrate; basic glazing for further treatment  High Clarity (in thinner panes)  Float glass is relatively neutral in appearance but can develop a subtle greenish tint in thicker panes.   Base for Other Treatments  Tinted, toughened, laminated or coated glass all typically originate from float glass.   Low-Iron Glass: When Colour Fidelity Matters Why Low-Iron?   In terms of architectural glass types, ‘colour fidelity’ refers to how accurately the glass preserves or transmits the real colours of objects or surroundings. A common challenge with standard float glass is the green tint noticeable in thicker applications (e. g. multi-laminated balustrades, exposed edges or glass floors). Low-iron glass reduces the iron oxide content to enhance transparency and colour neutrality.   Ideal Applications  Balustrades and Frameless Railings  Visible edges remain crystal-clear.   Floorlights and Roof Glazing  Thick, multi-layer units benefit from improved clarity.   Decorative Installations: Coloured interlayers or surface treatments show truer hues.   Cost and Considerations  Premium Price  Additional manufacturing steps often lead to a higher cost.   Highly Recommended for Exposed Edges  Especially in thicker or multi-layer applications.   Relevant In-Depth Reading  What is Low Iron Glass and when is it Needed? For understanding how reducing iron content in standard float glass results in even higher clarity.   Low-E (Low Emissivity) Glass: Optimising Thermal Performance What is Low-E Glass?   Low-E glass features a microscopically thin, transparent coating (often metallic oxide) on one or more surfaces within a double or triple-glazed unit. This coating reduces the glass’ emissivity, reflecting thermal radiation and thereby improving insulation.   Thermal Benefits  Reflects Interior Heat  Helps maintain warmer indoor environments in colder climates.   Controls Solar Gain  Keeps interiors cooler in hot climates, reflecting external heat.   Reduces Energy Bills  Minimises the load on HVAC systems.   Additional Advantages  UV Protection  Some coatings help block harmful rays, preserving furnishings and flooring.   Versatile Combinations  Low-E coatings can be paired with tinted or laminated glass for even higher performance.   Further Reading  What is Low E Glass and How Does It Work? For a deeper dive into emissivity ratings and the science behind thermal reflection.   Toughened (Tempered) Glass: Safety Through Strength Toughened glass is essentially safety glass. It’s widely used in the UK, because it’s required for Part K Building Regulations. Toughened glass is produced by heating float glass to around 650–700°C and rapidly cooling it. This creates a compressive exterior layer balanced by tensile stresses inside the glass, boosting its strength.   Safety Features  Shatters into Small Particles  When fractured, it breaks into small, blunt fragments, reducing risk of severe injury.   Up to Five Times Stronger  Compared to standard annealed glass types, it can withstand greater impacts and temperature changes.   Heat Soaking  Extra Step to Prevent Spontaneous Breakage  Heat soaking helps weed out panes susceptible to nickel sulphide inclusions.   Important for Structural, Hard-to-Access or Frameless Installations  Though rare, spontaneous breakages are more critical to avoid in balustrades, rooflights or extensive façades.   Recommended Reading  What’s the Difference Between Toughened and Heat Soaked Glass? For a thorough explanation of why some projects might require that additional heat-soak test.   Laminated Glass: Strength and Security in Layers How it Works Laminated glass comprises two or more layers of glass bonded by an interlayer (e. g. , PVB or SGP). Under impact, the glass may crack but largely remains adhered to the interlayer, improving safety and security. Applications  Balustrades, Structural Glass Walls, Rooflights, and Floors  Multiple layers plus an interlayer create high load resistance.   Acoustic Control  Can significantly dampen external noise.   UV Protection  Many interlayers block up to 99% of UV rays.   Interlayer Choices  PVB (Poly Vinyl Butyral)  Traditional, offers good security and UV blockage but can degrade if exposed to moisture...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, automated rooflight, lantern rooflight, Roof Glazing, rooflight, Technical Article

With new rooflight systems constantly being developed, it can be difficult to stay on top of new advances. At Sieger we have a wide range of aluminium framed roof glazing systems including an automated venting rooflight, a lantern rooflight and a conservation rooflight. All systems have their advantages and certain system are better suited to certain types of properties. Factors such as ventilation, location and pitch all need to be taken into account when specifying rooflights and roof glazing. The team at Sieger have put together this guide to ensure our customers know their options and can decide which solution is best suited for the project. Flat Rooflights These types of rooflights are the most common, often seen in single story home extensions or garden rooms. This simple yet elegant system uses a double glazed unit with an argon gas cavity to achieve high thermal performance levels. This type of roof glazing system is well suited for projects that just want to allow more natural light to flow into the internal living space. If the system will be above a kitchen, an automated venting roofing system may be a better option as it allows air flow to be increased in and out of the internal area. Sieger’s AllGlass Rooflight System has been designed such that the glazing unit may be taken out of the frame and replaced, without the frame itself having to be removed, providing a durable, cost-effective and long-life solution. As with all standard flat, fixed rooflights, a minimum upstand of 150mm is required as stated in building regulations. Automated Rooflights Sieger’s new auto-venting rooflight system, the ARES, has a minimal design with the internal frame concealed in building finishes. This means that from the inside of the home, the rooflight appears frameless, offering clear views of the sky above. These types of rooflight systems are ideal for maximising ventilation, making it suited for projects such as kitchen extensions where increased air flow may be necessary while cooking and to reduce food smells afterwards. When it comes to the shape of a rooflight, opening systems are often limited to square or rectangular. This is not the case with the ARES venting rooflight system as by placing actuators around the unique shaped rooflight, the system can lift vertically, removing any previous shape limits. The rooflight can also be designed as an access rooflight, opening 85 degrees to allow passage to outdoor spaces such as roof terraces. Conservation Rooflights This type of rooflight system is ideal for listed and heritage buildings, as well as properties in conservation areas. For these types of properties there are often tighter restrictions on and building works. It is a common rule that the character of the property must remain unchanged and no major work can be carried out on the exterior of the property. Sieger’s Legacy Conservation Rooflight System is a flush glazed roof glazing solution boasting a modern and minimalistic design with the ability to conceal the inner frame within the building finishes. As conservation rooflight are a popular choice for more traditional buildings, which often have steel framed windows and doors, our system can be designed with glazing bars in line with the elegant steel look aesthetic. Lantern Rooflights When it comes to maximising natural light within a space, roof lanterns are an excellent choice. Not only do they look great, but they channel light from all angles, allowing the sunlight to filter down into the space below. Although roof lanterns need a frame to support them, Sieger’s ultra slim aluminium frames offer 70% less framing in the roof opening than other lantern systems. Structural Roof Glazing For larger and more minimal roof glazing solutions, structural glass can be used to create stunning glass roofs that allow in a vast amount of natural light whilst providing clear, uninterrupted views of the outdoors. Invisio is the UK’s first thermally broken structural glazing system, offering unparalleled thermal insulation whilst maintain the key frameless design of structural glazing. This makes it ideal for glazing solutions such as entire glass roofs or up and over glazing. If you are still unsure which rooflight or roof glazing solution is best suited to your project, don’t hessite to get in touch with the Sieger team who will be happy to advise and answer any questions.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, large glazing elevations, oversized glazing, slim sliding door, solar control, solar gain, solar glare, Technical Article

Incorporating large windows, doors and glass facades into your home has many advantages. The main one is the huge influx of natural light which can help spaces appear bigger, complement and highlight interior design elements and provide mental and physical benefits for the occupants. Using large glazing elevations also provides living spaces with a strong connection to the outdoors. This bond with nature can help reduce stress and boost creativity levels. If the glazing in a home is south facing or a glass box extension is used, the energy from the sun’s rays may cause uncomfortably warm living spaces and solar glare can cause discomfort. Overheating and solar glare can be controlled by utilizing modern advances in glazing technology, such as solar control coatings. What is Solar Gain? Solar gain refers to the increase in the thermal energy of a space or object. The heat energy from the sun’s rays is absorbed by materials which results in an increase in temperature. For highly glazed spaces such as glass extensions which receive a significant amount of direct sunlight, the sun’s rays are able to penetrate through the glass and as the rays reflect off objects in the internal area, they have a shift in length and are unable to travel back out through the glass. The heat energy becomes trapped in the space causing an increase in temperature which can result in an uncomfortable living space. As Sieger’s slim framed glazing systems can reach impressive sizes, with bifold doors up to 5 m tall and sliding doors up to 4m wide per pane, this is something that should be considered early on in any project. The G Factor (sometimes referred to as the G-value) is the coefficient used by glazing manufacturers to measure how much solar energy is transmitted through a glazing system. In some cases, a higher G-factor may be sought after as the solar gain from glazing can be used to heat internal spaces to save money on heating bills and help reduce a home’s carbon footprint. The right G Factor for your glazing will depend on a variety of factors such as the placement of the glazing and type of system. Our team at Sieger are on hand to help advise on the most appropriate glazing for your project specification. What is Solar Glare? Solar glare refers to excessive exposure to bright sunlight. In a home where you may be using computers for work, education or general tasks, having bright sunlight hitting your eyes or reflecting off the screen for an extended amount of time can put a strain on your eyes and cause headaches. This problem may be common if you have a large glass façade in your home or south-facing glazing. Although this issue is more common in commercial spaces, it is still something that should be considered in residential home design. Sieger’s slim glass doors and minimally framed window systems can be used in conjunction with structural glass or roof glazing to create impressive glazing solutions that maximise natural light within the home. Controlling Solar Gain and Glare When it comes to preventing overheating and reducing solar glare, there are a few options. Shutters or blinds can be used both inside and outside the home or for a more minimal design there are glass coatings that can be applied. Solar Control Coating Solar control coatings are one of the most popular options when designing glazing systems that are south facing or for glass extensions. This coating is a thin metal oxide layer that is applied to the internal face of the external pane of glass in an insulated glass unit. This coating is designed to allow light and vision through the glass whilst reflecting solar radiation. There are different variations of solar control coatings with a range of light transmission and g factor values. The metal oxide coating reduces the amount of short-wave radiation that travels through the glass unit, thus reducing the increased heat levels inside. It also helps to filter light and therefore can be used to reduce solar glare. External Shading Solutions There are a range of shading solutions that can be used alongside our slim framed aluminium glazing systems. This includes shutter systems, blinds and curtains. Which one is right for your project is down to personal preference, some homeowners prefer curtains for a softer approach and some are more inclined towards blinds. Many blind systems can now be automated and designed to be hidden within ceiling finishes when open. Ultimately, the slight risk of overheating due to solar gain and solar glare should not deter anyone from specifying large glazing solutions as this is not an issue for everyone. The benefits of using an abundance of glazing far outweighs any disadvantages. For any projects where these factors may cause discomfort there are a range of options to prevent this....


- Categories: Tech advice, Home advice
- Tags: Advice Posts, luxury villa design, modern villa, slim framed glazing, slim sliding door, Technical Article

factors that need to be taken into consideration.  Location, architectural style, interior design and glazing are all vital elements that can make or break the villa. With such a variety of ways to design a stunning modern holiday villa it can be quite daunting, however, every villa can benefit from three things: natural light, adequate ventilation and uninterrupted views of the outdoors. Natural light can help to make spaces feel and look bigger, it can highlight luxury interior design styles and has both mental and physical benefits for the villa’s occupants. For luxury holiday villas, a major part of the design is ventilation. Whether it’s a modern villa in Spain or a classic villa in the South of France, preventing overheating in the warmer months is vital. For modern luxury villas choosing a scenic location is often at the forefront of the design. Whether it’s right on the beach, up in the mountains or tucked away in a forest you want to be able to make the most of these scenic views at all times. Choosing the right glazing has a significant impact on these vital considerations involved in designing breathtaking villas Interior Design The interior of luxury holidays villas differ greatly, depending on location and the clients desired aesthetic. Many people want a space they can sit back and relax in, a place that acts as an escape from everyday life. When the internal space of a villa has been carefully designed with each piece of furniture and décor carefully curated, natural light can highlight and complement this. Some high-end paintings and décor pieces were designed with them being viewed in natural light, making it a vital part of any luxury home. Below are some examples of popular interior design styles for modern holiday villas. Interior Design The interior of luxury holidays villas differ greatly, depending on location and the clients desired aesthetic. Many people want a space they can sit back and relax in, a place that acts as an escape from everyday life. When the internal space of a villa has been carefully designed with each piece of furniture and décor carefully curated, natural light can highlight and complement this. Some high-end paintings and décor pieces were designed with them being viewed in natural light, making it a vital part of any luxury home. Below are some examples of popular interior design styles for modern holiday villas. Biophilic Design This interior design style revolves around mimicking nature through the use of natural light, using natural building materials such as wood or stone and overall forging a strong connection with the outdoors. Many modern villa designs utilise glazing solutions such as corner opening sliding glass doors or large glass facades to allow in a vast amount of natural light whilst providing uninterrupted views of the outdoors. Choosing the right glazing and frame style can create a live piece of artwork. Our slim aluminium framing with large glass panes capture the nature beyond the system, transforming scenic mountain or sea views into a framed piece of nature. Scandinavian This minimalistic interior design style uses light and neutral colour schemes, it often seeks to maximize natural light within the space. The ultra slim frames and minimalistic design of Sieger’s glazing systems allow them to work in harmony with the minimalistic design of these homes. Using light minimalistic room designs helps to create a calm and peaceful atmosphere, ideal for a holiday villa. External Building Finishes Cycladic Architecture This architecture style is most often seen in Greek villas and defining characteristics of the style include white cuboid building structures and an abundance of windows and doors to ensure the internal temperature remains comfortable all year round. Buildings in warmer countries often have a white building structure and white internal walls, due to the fact that white walls gain up to 35% less heat than black walls. As white reflects heat and keeping the home cool is vital for the high temperatures, it is an ideal choice for luxury holidays villa designs. Biophilic Design This design style isn’t only for internal living spaces, it can also be applied to the exterior of a property. This is mainly achieved through use of stone exteriors, wooden cladding and large glazing elevations. Contemporary For villas in usual locations such as the mountains, forest, or jungle, they must be built in new and innovative ways and utilise modern advances in architecture and building materials. This includes highly engineered, fully thermally broken glazing systems from Sieger. Location Location is a vital factor when designing your perfect holiday villa. Whether it’s in a warm or cold country can determine whether you need double or triple glazing, and the countries building regulations need to be taken into consideration. Beachside villas With holiday villas by the sea, making the most of the coastal views is extremely important. Utilising glazing solutions to create glass walls and facades can offer panoramic,...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, natural light, slim aluminium bifold, slim framed glazing, slum sliding doors, Technical Article

Natural light has a whole host of benefits, both mental and physical, so ensuring your home is receiving the maximum amount of light is extremely important. Our slim framed systems make the glass the main element whilst allowing in floods of natural light. Over the past year, many people have spent more time than ever in their home. Now, with many companies making the move from a full week in the office to working from home more, houses are no longer just a home but also a workplace. Natural light has also been proven to boost productivity, with homes now doubling up as workspaces it is becoming increasingly important to make natural light a significant factor when building, extending or renovating your home. The easiest way to let the light into your home is through the use of slim framed glazing systems.  Choosing the right patio doors and window systems can have a huge impact on the amount of light within the home. Physical Benefits of Natural Light Vitamin D Many people know that sunlight is a great source of vitamin D, but not many people know what that actually means. This vitamin is essential to help keep bones, teeth and muscles healthy by aiding in the regulation of calcium and phosphate within the body. It can also boost weight loss and even help to strengthen the immune system. Improved Vision Nowadays, people’s eyes spend such a long time staring at screens whether it’s a phone, a computer or TV. In the long run this can have a negative impact on your eye health, but exposure to natural light can help to combat this. Sunlight has been shown to stimulate the production of dopamine which aids in healthy eye development for children and young adults. Improved Sleep Improved sleep has both physical and mental benefits and there is strong evidence to show people who are exposed to more natural light throughout the day sleep better at night. This is due to natural light allowing humans to be more in tune with their circadian rhythm, following the natural cycle of day and night by taking queues from exposure to light. Mental Benefits of Natural Light Improves productivity and focus Multiple studies have been conducted to look at how natural light affects people in the workplace. Studies show that there is a positive correlation between increased sunlight in workplaces and increased employee productivity. Whether this applies to children doing homework, people working from home or just general day to day activities, all homes can benefit from this. Reduces agitation and stress Increased exposure to natural light has been proven to reduce agitation and stress and help people with mental health issues such as SAD (Seasonal affective disorder), anxiety and depression. Other Benefits of Natural Light Can help to reduce bills Using more slim framed glazing around the home and increasing the influx of natural light can help to reduce a home’s carbon footprint and save money on bills. Solar gain can be utilised by positioning the glazing where the most sunlight will enter across the day, such as on the south-facing side of the home. The suns rays will penetrate the glass, heating the home and reducing the need to use central heating. Glazing can also reduce the need for artificial lighting during the day, again aiding in bill costs reduction and helping make homes more eco-friendly. Increases the value of a home Glazing can increase the value of your home. The large glass panes and the vast amount of natural light increases the perceived size of the rooms making people more inclined to pay more. Natural light can also help to complement and highlight a home’s interior design style. How to Maximise Natural Light The simplest way to let more light into a home is through the use of glazing. This includes utilising glass doors, large windows and roof glazing. Incorporating internal glass doors into your home allows natural light to flow through and reach areas of the home which previously may have been dark and dull, such as the hallway. Sieger’s aluminium glazing systems are designed to have ultra-slim frames so the size of the glass pane is maximized and as much light as possible can enter the home. One factor that puts people off choosing bifold doors for their home is that when they are closed, the sightline where the panes meet can be thick and chunky, obstructing views and the flow of natural light. Our Sieger Lux Bifold Door is the slimmest aluminium bifold on the market with a profile width of just 30mm and an ultra-slim sightline of just 74mm. We also have an extremely minimal sliding door system, the Sieger Slim Sliding Door, which has a sightline of just 20mm and can reach sizes of 2. 5m wide x 3m tall per pane. Rooflights are another glazing solution...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, glass box extension, glass extension, slim framed aluminium glazing, small glass box extension, small glass extension, Technical Article

Glass extensions are one of the effective ways to expand your home whilst increasing the flow of natural light. These can vary greatly in size but most homeowners opt for small glass extensions. Many homeowners don’t want to lose garden space so by incorporating a small extension you still get the benefits of extended living space and natural light without sacrificing outdoor space. These contemporary home extensions are extremely well suited to a wide range of projects, from listed buildings in conservation areas to modern London townhouses. Incorporating a glass extension into the home can be done in a variety of ways, for example being integrated into the existing building structure to connect two parts of the home. Another way is to add the extension onto the exterior of the home, usually on the rear of the home but they can be added on any side. Some projects choose to build upwards, utilising modern glazing to create a rooftop glass box extension. Glass extensions complement their host buildings without drawing attention away, creating a striking elevation that works in harmony with its surroundings. Benefits of a glass extension A huge benefit of incorporating a small glass extension into the home is the vast amount of natural light that will be able to flow into the home. By maximising natural light within the home during the day the need to have artificial lighting on is greatly reduced, helping to lower energy bills and the homes carbon footprint. Many of Sieger’s aluminium glazing systems use ultra slim framing which doesn’t disrupt the flow of light or the views of the outdoors. Small glass extensions can be designed in a variety of ways, many of our projects utilised Invisio glazing and some type of glass door. All of our external aluminium glass door systems can be integrated into glass extensions so you can choose from a sliding glass door, a bifold door, a pivot door or a casement door. Thermal efficiency of glass extensions Previously, windows and doors could be a major source of heat loss within the home and glass conservatories were often extremely cold in the winter. Now thanks to thermal break technology and argon gas insulating cavities, this is no longer the case. Our systems use fully thermally broken aluminium framing, ensuring the interior of the glass extension maintains a comfortable temperature all year round. All external glazing systems also use argon gas cavities to provide high levels of insulation. The Invisio Roof Glazing System is the first structural glass solution that is thermally broken so incorporating this into your small glass extension ensures high levels of thermal performance. Sieger uses low e coatings as standard on all of our insulated external glazing systems at no extra cost. Low e is short for low emissivity, which essentially means the coating prevents the glass from absorbing the heat and transferring it. This coating prevents heat from escaping the home by reflecting it back into the internal living space, this helps to maintain a high energy efficiency whilst keeping heating bills low. Solar Control Glass Many people are concerned about the possibility of glass extensions causing overheating in the home during the warmer months. This may have been an issue a few years ago but by utilising modern advances in glazing technology this is no longer a concern. Even with small glass extensions, if the glass extension is north facing, we recommend using a solar control coating on the glass as when used in conjunction with a low e coating it creates an extremely thermally efficient glazing unit. There are different types of solar control coatings with differing levels of light transmission and G factor reduction. G factor refers to solar gain, which is the amount of radiation that travels through the glass. Which coating is right for your project depends on how much of the sun’s rays you want to block. The most popular is a 70/35 coating which allows 70% of light thought whilst reducing the solar gain to 35%. Glass extensions, big or small, can be utilised to help reduce heating bills, by using the solar gain and warmth of the sun’s rays to heat the home. Our team of technical advisors will be able to assess what coating are necessary on a project to project basis, as every glass extension is different. Sieger’s aluminium glazing solutions have been used in a wide variety of small glass extensions such as our Chestnut Cottage project, which utilised Invisio structural glazing and a Schuco Casement door to fill a space between two sections of the home. This created a new light-filled functional living space that brought an elegant touch to the traditional style England cottage. Another one of our projects used similar glazing systems but for a small glass box extension that acted as a passageway to the basement floor and connected the...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, black bifold door, green windows, polyester powder coating, ral colours, Technical Article

When it comes to Sieger’s high quality aluminium glazing systems, the glass is the main element. But choosing the right frame finish and colour can also have a significant impact on the look of the glazing and the overall building design. Some clients want the frame the match the building finishes, so choose a colour that blends in seamlessly with both the internal and external walls for the most minimal aesthetic. On the other hand, choosing a frame that contrasts with its surroundings can create a bold and contemporary design that highlights the high quality glazing system and creates a striking design feature. Ultimately there is no right or wrong choice when it comes to frame colour, it comes down to personal preference and what the client wants to achieve in terms of aesthetic. At Sieger we have a wide variety of frame finishing options including polyester powder coating and anodizing. Our polyester powder coating comes in the full range of RAL colours so our glazing systems can be manufactured to meet any specific design requirements. Polyester Powder Coating (PPC) This is the most common type of frame finish for aluminium, it is a positively electrically charged dried powder that is sprayed onto the frame using an electrostatic gun. The frames are then placed in an oven and heated to start a chemical reaction that enables the powder coating to form a durable outer layer that cools to a hard finish. One huge advantage of using polyester powder coating is that it doesn’t release harmful solvents or pollutants into the air. This makes PPC an extremely environmentally friendly finishing option, particularly when compared to some cheaper frame finishes. Standard thicknesses vary between glaziers, most PPC layers are 40-60 microns thick. For a PPC to be considered ‘marine grade’ (thick enough to protect the frame from harsh sea air), it must be 60-80 microns thick. The PPC used by Sieger is marine grade as standard, as we want to ensure our high-quality systems have a long lifespan in any environment. When specifying marine grade framing for your glazing systems we recommend pre-anodising the frame and then applying a PPC finish. This added layer of protection combined with the natural rust and corrosion resistant properties of aluminium creates an extremely durable frame. Most of Sieger’s glazing systems have a set of standard RAL colours to choose from, but any colour can be chosen, there just may be additional costs incurred. RAL Colours The RAL colour chart is a European colour matching system that is used to define colours for paint, coatings and plastics. This is the colour range used for polyester powder coatings. Colours are sectioned into 9 groups based on their hues. Each colour has a four digit number assigned to it and colours in the same group will start with the same two numbers. The number ranges for each group are as followed: Yellow hues RAL 1000 – RAL 1037 Orange hues RAL 2000 – 2013 Red hues RAL 3000 – 3033 Violet hues RAL 4000 – 4012 Blue hues RAL 5000 – 5026 Green hues RAL 6000 – 6038 Grey hues RAL 7000 – 7048 Brown hues RAL 8000 – 8029 White & black hues RAL 9000 – 9023 Our Chaucer Road project featured a Sieger 120 Bifold Door with dark bold frames that contrast beautifully with the pastel interior colour scheme of the modern kitchen extension. The aluminium framing was finished with a polyester powder coating in RAL 9005, also known as jet black. Woodwind, one of our new build home projects, benefitted from a full glazing package from Sieger, and all aluminium frames were finished in the same RAL colour to create a cohesive design. The client chose RAL 7033, also known as cement grey, which is a grey hue colour with unique green undertones. The frames don’t blend or contrast with the home, but instead complement the building finishes. At the Sieger showroom in Amersham we have a large RAL colour chart on show and a wide range of glazing system on display with different frame finishes. It is important to discuss with your glazier which design aesthetic you want to achieve and visiting the showroom will help to ensure that you choose the right glazing system for your project. Our technical team are on hand to answer any questions and help you choose the right frame finish for your glazing.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium window, casement window, gable end window, Technical Article, Tilt and Turn Window, top hung window

Architectural styles differ in every country. Architecture is art, a way to conceptualise thoughts in brick and mortar and it is often influenced by social and political factors at the time. Each architectural style has its own set of defining characteristics, and it can be difficult to know which glazing system and design best suits each architectural style. The team at Sieger have put together a guide to help ensure you choose the right glazing for your project. If the architectural style of your project is not mentioned here, feel free to get in touch with the Sieger team who will be able to advise you of the best systems for your project. Scandinavian Architecture When it comes to Scandinavian architecture style, some of the defining characteristics include minimalism, working with nature, natural light and a neutral colour scheme. Many of Sieger’s slim framed aluminium glazing systems can be designed to suit this architectural style perfectly. The ultra slim frames and minimalistic design of Sieger glazing systems allows them to work in harmony with the minimalistic design of these homes. The aluminium frames can also be finished with a polyester powder coating in any RAL colour to blend in seamlessly with any internal or external building finishes. The range of RAL colours available for the frames includes a variety of neutral and off-white tones, and the high levels of clarity in the glass panes means our systems cause no disruption to the neutral and minimal home style. Biophilic design, including working with nature and natural light, is another important characteristic of Scandinavian architecture style. Large glass panes such as the oversized panes on the XL slim sliding door allow in a vast amount of natural light, simplicity of the systems also don’t disrupt any surrounding natural landscapes. Period properties Period properties tend to be defined as traditional architecture that predates the first world war. This includes Victorian, Georgian and Edwardian architectural styles, as well as older cottage homes which are often seen in rural English areas. Slim aluminium frames are good for replacing existing steel windows which were a popular choice when these homes were built. Most Sieger systems are designed with ultra slim aluminium framing making them ideal for fitting in to replace old steel framed glazing systems. To take it a step further, our Sieger Legacy Range has been designed specifically to be steel look.  Optional applied glazing bars means that the industrial style steel aesthetic can be copied using aluminium framing. Aluminium framed glazing has many advantages over steel framed glazing such as being more cost effective and lightweight, however some people still favour steel glazing as they prefer the aesthetic. Our Sieger legacy range allows people to have all the benefits of thermally broken aluminium framing with the visual benefits of steel systems. The Legacy range, or any of Sieger’s aluminium slim framed glazing is excellent for replacement windows on these types of properties. For these more traditional style properties, some people prefer something a bit more modern.  Glass extensions can be a great way to bring a contemporary touch to a traditional home. Art Deco This was a short lived but extremely influential architectural style that was affluent in America and Europe from the 1920s to the 1940s. Not many homes are built in this style but for homeowners wanting something unique and usual with some history, this architectural style is an excellent choice. When it comes to glazing for this architectural style decorative glazing and unusual style and shapes were extremely popular. It also utilises metals such as chrome, aluminium and steel. Bold colours were a big part of this architectural movement and the bold frames on the Sieger 45 Sliding Glass door or certain Sieger windows, finished with a polyester powder coating in a bright or contrasting colour would be a prime example of the art deco glazing style. Cycladic Mostly scene in Greece, this architectural style is heavily influenced by the landscape, climate and environment. The warm climate and stretches of stunning landscape mean the buildings need to be designed to have high levels of ventilation and white is often used for external building finishes to reflect the sunlight away to prevent overheating in the internal living spaces. By using large glass doors such as the Sieger XL Sliding Door or the Sieger Super Lux Bifold Door, this allows the large glass doors to be opened allowing for a huge amount of ventilation and airflow throughout the home. A defining characteristic of this architecture style is sharp corners, high levels of ventilation and a minimalistic design. The neat pointed corners of the ultra-slim aluminium framed glazing mimics the sharp corners of the crisp white external building. Using a large amount of glazing embodies elegant simplicity, shying away from bold framing or colours. Modern This architecture style was inspired by the modernism art movement that lasted until around the 1960s. Some defining characteristics...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, secure glazing, slim framed aluminium glazing, Technical Article

Locking options for external glazing systems can vary depending on the types of system, location and most importantly, what the client wants. The most common for doors is a lever/lever handle with a euro cylinder keylock. This locking mechanism operates a lock case which is either encased in a lockbox or integrated into the frame of the glazing system. The lock with active multiple locking points, how many depends on the system. Different glass door systems will have different numbers of locking points with 3 or 4 being the most common. Locking options for doors Bifold doors The locking solutions for an aluminium bifold door system will depend on the opening configuration you have. In most installations, a pass door is integrated which is operated by a lever/lever handle for the most secure solution. This lever/lever handle can come with or without an integrated euro cylinder key lock. Then at the hinge point of each bifold pair, you typically have a shoot bolt latch to secure the panes in place. This latch is only accessible from the inside. On Sieger’s 120 Bifold Door and Legacy Bifold Door systems the bifold leaf catch is operated by an internal turning handle combined with a pull handle to assist in pulling the doors into place. The Sieger Lux Bifold and Super Lux also include a bifold leaf catch that offers an easy solution for locking the bifold panes into place. This bifold shoot bolt has a slightly different handle design to maintain the minimalistic design of this system. Most aluminium bifold door systems have up to 3 point locking depending on the height of the door. For more information head to our products pages where you can find product data sheets with the systems technical details. Sliding doors With the standard handle, both the Sieger Slim Sliding and XL Sliding Doors use a euro cylinder key lock mechanism with four-point locking which can be operated from inside and out. For the Slim Sliding Door, if a flush handle is desired key locking is not possible, however, the Sieger XL Sliding Door can have a flush handle design with or without a key lock. The Sieger 45 Sliding Doors comes with a D handle that has an integrated euro cylinder key lock as well as a thumb latch. Locking options for doors continued Casement Doors Sieger’s Legacy Casement Door has five handle options to choose from. These are all lever handles with euro cylinder key locks integrated. Due to the very slim aluminium framing of the steel look system, the key and handle have to be mounted on a lockbox. This can either be the full height of the door, or id applied glazing bars have been used can be the same height as the pane it is attached to. Schuco Casement Door’s locking mechanism is simple but effective, as is the rest of the system’s design. A euro profile lock is used that can be operated with a key on both sides. Pivot Doors The Sieger Lux Pivot Doors uses integrated 3 point locking that is operated by a lever handle with a euro cylinder key lock. Although internal glazing usually does not require any type of locking mechanism, at Sieger we like to give our customers options to suit any design requirements It is because of this that we offer a lever handle with the option of including a euro cylinder key lock for our MIRO Pivot internal glass door. Locking options for entrance doors The Sieger Entrance Doors are designed with security at the forefront. All entrance doors are fully certified for PAS 24:2016, Enhanced Security Performance for Doors. The integrated lock works on a 10 point locking system with escutcheon plates. The cylinder is drill proof and anti-bump as standard and all pins and moving parts are made from hardened stainless steel. Keys are created with a laser-cut profile system that prevents unauthorised unlocking and access. This means that only the correct keys can align with the 10-point spring-loaded pins within the locking box. The locking box is completely encased in the door sash, creating a highly secure locking mechanism that cannot be accessed. All hinges are covered with hidden hinge protectors to provide a robust and secure system. The face of the lock sits flush with the edge of the door sash. In the external frame the locking point is flush which creates a more elegant finish. Locking options for windows Aluminium windows are covered by slightly different security requirements than doors. Windows are only ever locked and secured from inside and therefore the handles are only visible from the internal. The requirement for removable key locks will depend on your project type. Most windows operate an espagnolette locking system with optional removable keys in the handles themselves. The option of a key adds security as it stops the window from being able to be opened from...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, low maintenance coating, low maintenance glass, Roof Glazing, Technical Article

How to Choose the Right Slim Sliding Doors Slim sliding glass doors are extremely versatile glazing systems that are suited to a range of locations and can be used as patio doors, balcony doors and roof terraces. These minimal glazing solutions are also suited to a wide range of property styles thanks to the flexibility in design.  Glazing bars can be specified for an industrial style aesthetic and there is a range of configurations available. Ideal for contemporary homes, new builds and traditional-style buildings, the large clear glass panes and slim frames seek to enhance architectural and interior design elements. When it comes to choosing the right minimal sliding doors systems, sightlines are not the only thing that should be taken into account. All framing details, as well as performance levels, should be taking into consideration when choosing the right system for your project. This article will go through what to consider when choosing the perfect slim sliding doors and what to watch out for. Framing Details For sliding door systems, a minimal sightline may be the first thing that captures your attention. This ultra slim vertical frame in between the glass panes means that views of the outdoors are unobstructed and natural light can flow freely into the internal living spaces. However, it is important to look at all framing details, you don’t want ultra slim sightlines if the side or base profiles are significantly larger. If there is thicker framing around the rest of the sliding door system this can cause the ‘slim’ sliding doors to look chunky and out of place. At Sieger our slim sliding door systems do exactly as they say, offering minimal framing across the board. The Sieger slim sliding doors have a sightline of just 20mm with a fixed side profile of 42mm and trickle vents are available at the head with just a 38mm profile. Even our XL sliding door system which can reach impressive sizes of up to 4m tall or 4m wide still has ultra slim sightlines of just 25mm and a fixed side profile of 57mm. The building finishes can be brought over the fixed frames of Sieger sliding doors to create an ultra-minimal system where the glass is the main feature. Some competitors may be able to match our slim sightlines, but the rest of the system rarely matches the minimal aesthetic. Performance Levels The overall look of the system is extremely important when it comes to choosing a slim sliding glass door, however this shouldn’t mean you have to compromise on performance. Security, thermal performance and weather protection should be considered carefully. Both the Sieger Slim Sliding and Slim XL Sliding Doors have full weather testing including air permeability, water tightness and wind resistance, showing that you don’t need to compromise on performance to have a stunningly minimal sliding glass door. Sieger slim sliding glass door systems use integrated locking that is concealed within the frame for a sleek and minimal finish. With our systems, no obstructive lock box is necessary. There are many factors that can affect the thermal performance of an external door system such as the glass specification, frame material and whether a thermal break is used within the metal frame. We use fully thermally broken aluminium framing for all our sliding door systems to prevent heat from escaping the home. All of Sieger’s external glazing systems come with a low e coating and argon gas cavity as standard. This helps to ensure high performance levels that maintain a comfortable living temperature in internal living spaces all year round. Our Sieger Slim Sliding Door can reach Uw values as low as 1. 3 W/m2K and the XL Sliding Door can reach Uw values of 0. 9 W/m2K. Some glaziers may attempt to quote the U value of the glass as the overall Uw value, as the glass itself has the best thermal performance. For more information on thermal performance ratings and how to ensure you are getting what you pay for, check out our technical advice article. Other Factors Handle options are another factor that can affect the overall look of slim sliding door systems. Sieger provides a flush handle option for our slim sliding door systems and even the standard handle follows an ultra-minimal design, only slightly protruding from the frame and not increasing the width. A huge advantage of having sliding doors with sleek and minimal framing is the bond that it builds between the internal living space and the outdoor environment. The views the system provides, as well as the influx of light it allows, helps to forge a strong connection with nature. When the sliding glass doors are open, the ability to completely merge the internal and external spaces to create one large indoor-outdoor living area is something sought by many homeowners. Our external glass door systems have the option of a flush threshold which allows for a smooth transition between...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, industrial style glazing, industrial style windows, internal steel look door, Steel Look Glazing, Technical Article

Many Sieger systems are based around sleek, minimal and modern design aesthetics, however, the Legacy range is more tailored towards traditional steel look designs. With the addition of glazing bars and the right choice of frame colour, these systems can be used to replace existing steel windows and doors or be designed to blend seamlessly with a traditional, industrial architectural style. These glazing solutions include our Legacy Bifold Door, Legacy Casement Window and Legacy Conservation Rooflight. We believe that flexibility is key in design and our systems come in a range of configurations, with multiple finishes and glazing options. Why choose aluminium over steel? There are many benefits to using aluminium framed glazing over steel. Aluminium is more cost effective, requires less maintenance and isn’t as heavy. Utilizing modern glazing technology, most aluminium frames now use a thermal break, unlike traditional steel framed glazing, making it thermally insulated. The main advantage steel has over aluminium is the industrial style aesthetic.  Sieger’s Legacy range now provides the best of both, using glazing bars and finishing options to create aluminium glazing solutions that mimic the steel look. For more information on steel vs aluminium framed glazing check out our article that discusses the differences and benefits of each in more depth. Frame Colours The best colour for your Legacy system will depend on the desired aesthetic and exiting building finishes. For a steel look system, a dark grey frame works best at recreating the design and appearance of an existing steel window or door. For projects looking to create the appearance of timber then a white powder coated frame is normally the most suitable but aluminium frames can be powder coated any RAL colour. For a timber look window you could utilise a specially designed aluminium window with a PPC finish or timber effect finish. These windows are great at recreating the design of a traditional timber window but in an easy to maintain aluminium frame. Most aluminium windows will have a range of design options available so that you can either recreate a traditional timber window design or create a more modern aluminium window with a timber effect. The wide range of options allow you to exactly match the design and appearance you require for the Legacy glazing design. Glazing Bar Designs Glazing bars can be applied to an aluminium window or door systems in a variety of ways. The bars can be applied horizontally, vertically or even diagonally for a unique look. This could be used to create a steel look window or door, a modern Bauhaus design or traditional timber style system. The colour of your glazing bars should be powder coated to match the colour of your exterior frames so that the entire installation looks like one cohesive unit. Another important design factor for an applied glazing bar design is to ensure that it looks as if the bar completely dissects the glass unit and goes all the way through the glazing. You can do this by including spacer bars within the double or triple glazed units wherever a glazing bar is going to be applied. When the glazing bar is then applied to the surface of the glass it looks as though it is a ‘true’ glazing bar, which goes all the way through the glass. Types of Windows and Doors For a traditional steel look door system, a French door or Belgium door opening is very well suited. A French door opening refers to a double opening door that is hinged on either side of the opening. These doors can be inward or outward opening. A Belgium door opening is a French door with fixed sidelights on either side of the opening. This type of door opening is best for larger apertures where the opening is larger than the maximum opening door size available. For a more contemporary steel look design, we have a Legacy Bifold Door which is an excellent choice for any home. Our slim sliding door systems can also have glazing bars integrated into the design. Our MIRO internal glazing systems can be deigned with applied glazing bars to create a steel look internal sliding or pivot door well suited to a traditional or industrial style interior. When it comes to windows, we have the Sieger Legacy Casement Window and our Sieger Legacy tilt and Turn Window, both of which come in a range of sizes and configurations. Traditional steel windows come in a wide variety of opening types which can easily be recreated using our aluminium frames. Traditional Ironmongery Sieger Legacy glazing systems have a range of traditional ironmongery options available for you to choose from. This is especially applicable for steel look windows and doors which traditionally have a very specific design to their handles. For the Sieger Legacy Casement Door there is a wide variety of handles to choose from, including an opera handle and an art deco style handle. The Sieger Legacy Casement window has an astounding 11 handle designs...


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium glazing, low maintenance coating, low maintenance glass, Roof Glazing, Technical Article

Large glazing elevations create a stunning design from both inside and outside the home. When it comes to building materials, glass is extremely easy to clean and the only disadvantage is that dirt will show up quicker on glass than brick. When it comes to frame material, aluminium requires far less maintenance than steel or timber, as it has natural corrosion and rust resistant properties. This makes aluminium a popular choice for windows and doors in a home. In areas where the glazing is subject to harsh conditions, for example a coastal environment, keeping the glazing clean and clear may be more challenging and low maintenance glass may be the right choice. A low maintenance coating is another way to lower the frequency of the cleaning required. This coating creates an extremely smooth glass surface, making it difficult for dirt and debris to cling to. What does low maintenance mean? In reference to glazing, low maintenance can refer to the frequency at which it needs to be cleaned, but also to tasks such as repainting and reapplying protective coatings. Timber needs special attention to ensure the wood is not damaged by the elements, as timber is vulnerable to being warped by the wet weather.  Timber frames also often need repainting as the paint wears and peels over time. Steel can be susceptible to rust and corrosion, so steel framed glazing often needs special care to ensure it has a long and dutiful lifespan. These systems must be checked and treated regularly. Glass is excellent at providing clear views of the outdoors and letting in an abundance of natural light, however, when dirty glass panes can become smeared. This is where specifying low maintenance glass, which has a coating applied to the outer face of the external pane, can be extremely useful. What is low maintenance glass? The surface of glass, although smooth to the touch, actually has microscopic dips in it that enables dirt and dust to stick to it. Low maintenance glass is glass that has a microscopic coating on the outer face of the external pane of glass. This ultra-thin coating fills in the dips to create an extremely smooth surface and without any texture it is very difficult for dirt to stick to. Glass with a low maintenance coating is often referred to as low maintenance glass. It is important to note, this coating does not mean that the glass does not need cleaning at all, but significantly reduces the frequency of cleaning needed and makes cleaning an easier and quicker process. Many glazing companies will refer to low maintenance glass as ‘self-cleaning glass’, although these two are not the same. Self-cleaning glass claims to have cleaning fluid in the coating which when combined with rainfall, cleans the window without any help from individuals. Although this coating sounds ideal, it is not without its disadvantages. It is important to know exactly what you are getting from your glazier and the experienced team of professionals at Sieger are on hand to help with any queries you may have. For roof glazing, having rooflights at a slope makes it easier for rainwater to wash away any dirt and debris that settles on the surface. Sieger recommends a minimum pitch of at least 5 degrees on most rooflights, although this can range depending on the type of roof glazing system. The smaller the pitch on roof glazing, the more likely it is that dirt will be able to settle on top and therefore the more often it will need cleaning. The advantage to incorporating a wide range of glazing within a home include maximising natural light, which provides a whole host of health benefits, both physically and mentally. Glazing also help to forge a strong connection to nature and with biophilic design on the rise this is sought by many homeowners. The only disadvantage to having a vast amount of glazing, or oversized glazing systems can be the maintenance, but with these steps and advice from the dedicated team at Sieger, we can ensure you get the right glazing for your project. Get in touch today for more information or to get a quote. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium bifold door, bifolding doors, slim bifolds, slim framed aluminium glazing, Technical Article

Bifold doors are a very popular choice when helping to create an indoor-outdoor living space as they can open entire walls of the home. These living spaces are preferred without a step, for a seamless transition, which can be created by using a flush threshold with an integrated drainage system to keep the doors weatherproof. The right base option for your project will depend largely on the location of the bifolds. In exposed areas, a rebate can be beneficial, to prevent water entering the property. Flush thresholds have no rebate and allow complete accessibility and a smooth transition between interior and exterior living spaces. Choice of Bifolding Doors Bifolding doors are the perfect choice when wanting to merge internal and extern living spaces to create a large indoor-outdoor living space. Sieger Systems has a range of bifolding doors available including the Sieger 120 Bifold Door and Sieger Legacy Bifold Door, both of which have slightly thicker sightlines, are well suited to more traditional or industrial style home aesthetics. For a more minimal and modern bifold door, our Sieger Lux Bifold Door is the slimmest aluminium bifold on the market with profile widths of just 30mm, and the Sieger Super Lux Bifold is one of the tallest bifolding doors on the market reaching heights of up to 5m. All of Sieger’s bifolding doors have either a low-level threshold or a step-free, flush threshold. Flush thresholds are much more popular due to the increase in popularity for indoor-outdoor living spaces. Which Threshold is Right for Your Project? There are two main threshold options available for Sieger bifolding doors, the rebate with a low-level threshold or a flush threshold. Flush thresholds offer a completely smooth transition between the inside and out, which can be a problem for some bifolding doors as they do not have a rebate track, meaning the optimal weather performance cannot be guaranteed. Systems in exposed areas or environments with extremely high water and wind loads would benefit from a rebate. This is a slight upstand that prevents water from entering the property and creates a small step. Sieger bifold doors have all been tested and are weather resistant. Integrated drainage options have been engineered to cope with high rain levels in the UK. Drainage for Bifolding Doors Step free access is very possible for bifolding doors as we can integrate flush drainage options. Having a flush threshold is ideal for wheelchair access and even for families, as the children are able to run between the indoors and out without encountering a step. Designed with an integrated drainage system in the base, the Sieger Lux and Super Lux Bifolds don’t need a drain in front of the system for the water to run down into. Water can permeate through the track and down into a drainage system below which is hidden neatly below the base track. The Sieger bifolds are exclusively on display at the Sky House Design Centre in Amersham, Buckinghamshire. Sky House operates on an appointment only basis which allows to team to allocate a technical glazing advisor to each showroom visit. Call 01494 722 882  or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, biophilic design, connection to nature, natural light, slim framed aluminium glazing, Technical Article

What is Biophilic Design? Biophilic design draws on the natural world and incorporates natural elements into urban spaces. It seeks to strengthen human’s genetic connection to the outside world. Key elements of biophilic design include colours such as greens and earth tones, natural light, house plants and use of natural building materials. These can be integrated into the interior design, used for the building’s exterior or in the actual building construction. This design style has grown rapidly in popularity over the last couple of years, both in homes and commercial spaces such as offices. It’s all about bringing nature inside and forging that connection to the natural world. One of the easiest ways to do this is through large glazing elevations such as oversized sliding glass doors or floor to ceiling windows. What Are the Benefits of Biophilic Design? The connection between humans and nature that has existed for thousands of years has started to get lost with all the large cities and block buildings. Incorporating biophilic design into any property can have huge benefits, both physically and mentally. Studies show that by using glazing such as large windows, the views of nature can aid heart rate recovery from low-level stress, such as from working in an office environment. As many people’s homes have become their workplaces over the last year, the advantages of biophilic design in office environments are applicable to home spaces as well. Bringing the natural world into urban settings can help to reduce stress levels, increase productivity and boost creativity levels. It also works towards creating a peaceful and serene atmosphere. Glazing and Biophilic Design Glazing is an easy way to incorporate biophilic design into your home. Natural light is a huge factor in forging a strong connection with nature and a key element of this style. External glazing systems from Sieger systems with minimal framing and large glass panes allow in a vast amount of natural light, brightening internal living spaces and helping occupants circadian rhythm to sync with the natural sunrise and sunset. Internal glazing systems can help light flow through a home, brightening rooms without electric lighting. Oversized glazing, such as the Sieger XL Sliding Door, combined with minimal aluminium frames offer uninterrupted views of the outdoors, especially when glass to glass corners or corner opening configurations are used. Any windows, doors or rooflights that have unobstructive framing can provide stunning views of nature and the sky. These views are a key element of biophilic design and bring with them many of the benefits previously mentioned. Decorative Glazing and Biophilic Design Glass solutions such as windows, doors and rooflights can be further utilised for biophilic design through use of decorative interlayers. Colour is another key element of this design style, by mimicking colours from nature such as green or warm earth tones it helps to being the feeling of nature into the interior design. Internal glazing can also use decorative nature themed interlayers such as prints or unique interlayers using materials like grass and flowers. This can turn the internal glazing into a nature themed art piece in the home. How Sieger Can Help Sieger glazing systems have minimal framing which fits in perfectly with the key elements of biophilic design. The Sieger XL sliding door can reach impressive sizes of 4m tall or 4m wide, these large clear glass panes with slim aluminum frames allow vast amounts of natural light into internal living spaces whilst providing unobstructed views of the nature outdoors. Many of our external glass door systems have the option of a flush threshold which allows a smooth transition between the interior and exterior spaces when the doors are open. Biophilic design focuses on recreating that bond and strengthening the modern human’s connection with the natural world. Having the option to merge these areas to create one large indoor-outdoor space helps to bring the outside in. For more information contact our technical team who will be able to answer any questions and discuss your project in more detail. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, contemporary juliet balcony, frameless glass balustrade, juliet balcony, Technical Article

Juliet balconies are shallow balconies on the upper floors of properties which have a safety railing usually made from metal, glass or a combination of the two. These balconies don’t tend to have an external area beyond the doors and the balustrade is attached to the external building face. This means the doors used for this style of balcony need to be inward opening. There are many designs for contemporary Juliet balconies, with a range of materials, doors and colours available to choose from.  French doors are a popular style of door for this system. These balcony styles are excellent for increasing natural light and air flow on higher floors, they don’t usually require any planning permission to be installed as the shallow nature of them means they don’t protrude from the building. Balustrade material Metal Balustrades Although metal balustrades may seem like a more traditional option for a Juliet balcony, it can be designed to suit a contemporary aesthetic. Using sleek black metal bars can create a modern Juliet balcony design, encompassing the minimal element of modernism. Designs can also be incorporated into the metal framing of the balustrade to achieve a range of desired looks. Glass Balustrades with Metal Framing One major disadvantage to using metal balustrades in a Juliet balcony design is the obstructed view and significant effect it can have on the overall exterior of a building. Metal balustrades can look intrusive on a building exterior and it is more difficult to design one which blends into the building façade. This is why many people opt for glass balustrades with a metal capping. Perhaps one of the most common balustrade types used in contemporary Juliet balcony designs is a combination of glass with a metal frame. Frameless Glass Balustrades Many people are cautious about using frameless glass balustrades as they think they might not provide the same level of safety and protection. Advances in glazing technology means glass can now be toughened and laminated to produce extremely strong glass panes with high performance levels. The completely clear and frameless design is the epitome of modern and minimal balconies. The sleek minimal design does not interfere with the building exterior and the aluminium fixings can be finished with a PPC in any RAL colour. Using glass in a modern Juliet balcony design allows more freedom with design.  Decorative glass such as coloured glass can be used, or other glazing options such as sandblasting may be desired for increased privacy. Door designs French doors are the most popular door choice for a modern Juliet balcony design. As Juliet balconies are extremely shallow, inward opening doors should always be used so they are not blocked by the balustrade. Sliding doors or windows can also be specified in a Juliet balcony design. Although this combination isn’t as popular, it is the perfect choice for an oversized glazing look. If bifold doors are desired for a Juliet balcony they must be inward opening as Juliet balconies are shallow and therefore do not have the room to open outwards. Sieger’s range of casement doors can reach up to 1. 4m per pane and can be used in conjunction with sidelights to fill wider structural openings. Location Loft extensions are a common place to find Juliet balconies in a home, either on a flat side of the building exterior or on a dormer. Loft extension rooms can sometimes lack space due to slanted roofs, a Juliet balcony with glass doors is the perfect way to increase the perceived size of the room and ensure natural light is maximised. For upper floor bedrooms a Juliet balcony is a great way to bring a touch of luxury and elegance.   The Sieger Juliet Balcony system is the perfect solution for contemporary buildings where a large door opening is desired on the upper floor levels to enhance ventilation levels and forge a stronger connection to the outdoor environment. This system offers a strong protective barrier across the opening with a frameless finish for minimal visual interruption. It is important to always get professional advice on the right height for a Juliet balcony and ensure that the glass is the correct standard for the job. For more information contact our technical team who will be able to answer any questions and discuss your project in more detail. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, applied glazing bars, industrial style glazing, slim framed aluminium glazing, Steel Look Glazing, Technical Article, true glazing bars

Glazing bars can be incorporated into a variety of our glazing systems, including both sliding and bifolding doors, to achieve a range of aesthetics. They can be utilised to manufacture aluminium glazing systems that mimic traditional steel framed glazing, making them ideal when manufacturing aluminium windows to replace existing steel ones. Glazing bars can also be used to bring an elegant touch to the home, as seen in our Elgood Avenue Project which used Sieger Legacy casement windows and doors with a mix of true and applied glazing bars. Previously, glazing systems relied on glazing bars as the older frames didn’t have the strength to support large panes of glass so splitting the glass into smaller panes was necessary. This is no longer the case, instead glazing bars are now used as a design element within glazing. What are true glazing bars? In a window, door or rooflight when the glazing unit is separated into sections by glazing bars, this is known as a true glazing bar. The bar runs from one side of the system to the other, splitting the panes. There are many advantages to using true glazing bars, such as being able to have different sized panes within a system to accommodate elements such as lockboxes. Our Sieger Legacy casement door is separated into three horizontal panes, with the middle being slighting smaller in width as this is where the lockbox is located. What are applied glazing bars? Rather than using multiple different panes within a window or door, one large glass pane can be used with applied glazing bars adhered to the outside of the pane. When Sieger are incorporating applied glazing bars into the design of one of our glazing systems, a dummy spacer bar is used inside of the insulated unit to give the appearance of a true glazing bar. Applied glazing bars are seen by many as the better option as they offer more flexible with design options and high performance levels. With any glazing system, the most heat lost is the point where the glass meets the frame. Modern advances in glazing technology have minimized this heat loss, especially with the help of thermally broken aluminium framing and innovative bonding solutions. However, using true glazing bars will decrease the thermal performance ever so slightly. In order to achieve the best performance levels, applied glazing bars are the best choice. Aside from our Sieger Legacy casement door, most steel look designs are achieved with applied glazing bars. This has proved to be more cost-effective whilst achieving an almost identical look. Applied glazing bars can change the character of the glazing systems without having to sacrifice function or thermal performance. For more information on glazing bars or our steel-look aluminium range, get in touch with the team today.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, aluminium or steel, steel glazing, Steel Look Glazing, Technical Article

Many homeowners opt for steel windows or are cautious about replacing them due to the aesthetic it gives the house. The idea of changing these windows to anything else can be daunting. However, as modern glazing technology has advanced, the benefits of using aluminium framed windows have become more appealing. The use of steel against aluminium is at the forefront of the argument, as both offer great properties when considering updating your home. Both materials have their own great characteristics which can make it difficult to know which material is right for your project. There are many factors to consider and this article will explain which factors should be considered to ensure you choose the right glazing for your project. Cost Aluminium’s main advantage over steel would be how cost-effective the material and manufacturing process is in comparison with using steel. The complexity of manufacturing that steel must go through in order to produce a window frame often results in a higher price. The cost of steel alone would factor into the overall outlay on your development project as it is a considerably more expensive material. Maintenance Steel frames require a great amount of maintenance as they must be treated and checked regularly. This must be undertaken to prohibit the natural occurrence of rust and corrosion that steel can be plagued with if not kept protected. Once aluminium has been powder coated and finished in the desired colour it will not require any further care, other than being occasionally cleaned with minimal effort and products. There are a few steps that can be taken to ensure the longevity of your aluminium glazing, which you can read more about in our technical advice article on the topic. Frames and Sightlines Steels main advantage over aluminium would be its strength, as steel is 3 times stronger than aluminium it tends to be able to offer smaller frames. Slim frames help to create a light-filled living space, offering panoramic views and inviting a vast amount of natural light into the property. That being said, the use of steel would make the frames and doors heavier in comparison to an aluminium frame requiring more effort to open and close. Sieger has engineered aluminium-framed glazing with some of the most minimal sightlines on the market. Our slim framed sliding doors have sightlines as small as 20mm and the Sieger Lux Bifold Door is the slimmest aluminium framed bifold door available on the market. To achieve steel look aluminium windows and doors, glazing bars are used to mimic the industrial style. True glazing bars have a sightline of 48mm and applied bars can be as slim as 25mm. Sieger’s Legacy Range is specifically designed to have the aesthetic of traditional steel glazing systems but without the disadvantages. As aluminium glazing is now able to offer ultra slim sightlines but with the benefit of being more cost effective and lightweight, it is often chosen over steel. Our Legacy Range includes a casement door, a bifold door, a conservation rooflight and a range of window designs. All of these systems are flexible in design and can be manufactured to suit specific requirements.   The aluminium manufacturing process is more simplified and refined. The frames are crimped and have mechanical joints allowing them to be easily slotted and fixed together in comparison to steel. Aluminium is extremely robust and flexible allowing it to be easily framed to hold the glass with only a small amount of material on show. Thermal efficiency There are many companies that manufacture and sell steel windows and doors that do not create their frames with a thermal break. As metal is a conductive material, lack of a thermal break leads to thermal bridging. If the frame is cold on the outside the cold would be drawn into the house and can create condensation, and heat from within the home can be lost. This will lead to possible damage to fabrics and furnishings that are in close proximity to the windows and can result in higher energy bills due to the thermal energy transfer. All Sieger aluminium-framed glazing is manufactured in our state of the art facility with a modern thermal break that uses the latest in glazing technology. With a thermal break installed the aluminium frames offer higher thermal insulation than can be achieved with the majority of steel frames. For more information check out our technical advice article on thermal bridging and thermal breaks. Many homeowners now desire aluminium glazing as a replacement for the existing old steel windows. That can be closely accredited to three main reasons for comparison. Firstly, the cost-effectiveness of aluminium is a major deciding factor as the steel frames can cost more than double what you would have to pay out for aluminium frames without many advantages. Secondly, the maintenance that steel requires is considerably more as steel can rust and corrode it...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, PAS 24, safety glass, secure aluminium doors, secure glazing, Technical Article

There are a range of security ratings that can be given to glazing systems such as PAS 24 or Secured by Design. Sieger Systems undergo security testing, with PAS 24 being the most common testing method, to show resistance to forced entry. But what do these different testing results actually mean? We are here to explain what your security rating means. PAS 24 PAS 24 security testing is the most advanced security testing method used on residential windows and doors. It is also the base testing method for windows and doors to be classed as ‘Secured by Design’. All our windows and doors with PAS 24 accreditation go through a rigorous testing procedure at an independent testing facility. The testing procedure is carried out to British Standard PAS 24 (previously known as BS 7950) and is designed to assess the security performance of external doors and windows by imitating frequent methods of attack or forced entry. Secured by Design Another popular security rating for glazing systems is a police initiative called Secured by Design that encourages people to take extra safety measures with their windows or doors, such as heavy-duty bolts. Specifications for Secured by Design vary by product, but all systems must have passed the PAS 24 security testing. Laminated glass is often included in the specification for ground floor windows as it can help make glazing more resilient against intruders. This tends to incur higher costs but for those concerned about the safety of their home, it can be a worthy addition to provide peace of mind. Our manufacturing facility also has to be inspected by a third party to ensure that the manufacturing process and management of the facility are deemed to be performing to the highest possible standards. This is to ensure that the manufacture of all of our windows and doors from the factory line will be uniform to the window and door set that was tested. A WK2/RC2 standard is normal for most rear patio and access doors and shows that the doors or windows have been tested for protection against physical force and small tools such as a screwdriver, pliers or wedges. The European testing standard EN 1627 tests doors and windows against standard methods of forced entry under a time scale, determining how secure each window or door is in the event of forced entry. The resulting RC or WK test result shows that these patio doors will provide protection against forced entry. It is worth noting that all new build homes in England and Wales are required to use windows that have been tested to PAS 24:2012. Fortunately, all Sieger System’s windows are fully tested and adhere to the rigorous requirements of PAS 24 testing. Our technical team are on hand to answer any questions and ensure you choose the right glazing for your project. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, bifold door with cat flap, patio door with pet door, sliding glass door with doggy door, Steel Look Glazing, Technical Article

Bifolding and sliding glass doors are fast replacing casement doors as favourites for patio doors. If you have a pet and want sliding patio or bifold doors but are worried that you can’t have the best of both worlds, then Sieger Systems can help. Incorporating a pet door into these styles of doors can be extremely difficult with off the shelf systems. As each of our doors is manufactured on a completely bespoke basis to suit design requirements, we can take pet doors into consideration during the design process. We can provide you with pet-friendly aluminium sliding and bifolding doors with frames to match any pet door, so you have the perfect easy access route for your pet without compromising on aesthetic. Why incorporate a pet door into your patio door? There are many reasons as to why incorporating a pet door into your sliding or bifolding patio doors is a great idea. By incorporating a pet door into your aluminium doors you are allowing your pet to roam freely without the need of worrying about opening and closing your door constantly. Using pet doors can help stop excessive amounts of cold into your home as only a small section of the door will be opened every time your pet comes or goes. Sieger have designed and installed both slim sliding glass doors and bifolding doors that included pet doors. Sliding Doors An easy way to incorporate a pet door into a sliding door is to make the end fixed pane slightly wider than the sliding panes. This creates a gap at the end when the doors are stacked on top of each other, allowing room for a pet door to be fitted without getting in the way of the sliding panes. As shown in the image on the left, a doggy door was incorporated into new sliding patio doors to allow the family cat easy access between the garden and home. The colour of the cat flap, or any pet door you are looking for, can be matched by powder coating the aluminium framing of the door the same colour just like in the Orchard Road project. The colour of both the cat flap and sliding patio doors match the interior of this home perfectly creating a cohesive overall look. Bifold Doors Our Quarrendon Street project features a cat flap in steel look bifolding doors. The three pane bifold and single pane traffic door uses glazing bars for an industrial style, steel look aesthetic. In this project, the aluminium framing was finished with a different colour to the dog flap to create a modern, monochrome appearance. All of Sieger’s doors can be powder coated any RAL colour of your choosing. This can allow you to create interesting designs with your pet doors, whether you want them to blend together seamlessly or contrast for a more unique look. Pet doors are available to be incorporated into any door you require, providing easy access for your pet into your garden area as well as keeping your preferred aesthetic when using sliding or bifolding doors Our technical team are on hand to ensure you choose the right glazing for your project. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium glazing, coastal glazing, low maintenance glass, polyester powder coating, Technical Article

Aluminium framed glazing has many advantages, it is more lightweight than steel, requires less maintenance than timer and has a higher resistance to rust and corrosion. These advantages can benefit homes in any location but are particularly beneficial to properties in coastal environments. Buildings within 5 miles of a body of water are classified as being in a marine environment, this includes coastal environments, and therefore all external building materials used need careful consideration. If a property is classed as being within a marine environment, the glazing used requires specialised coatings and maintenance, to ensure it has a long a dutiful lifespan. Extra care must be taken as they will be subjected to higher levels of alkaline, moisture and chemicals in the air, which causes damage to some materials. Aluminium Framing Aluminium has proved to be durable in all environments, and the lack of maintenance it requires makes it ideal for highly exposed areas such as these. Certain steps must be taken to ensure that the aluminium frames on the glazing are protected and maintain their low maintenance quality. Marine grade polyester powder coatings are defined as coatings which are between 60 and 80 microns thick as this ensures there is an adequate coating to provide protection from damage or corrosion. All Sieger PPC finishes meet this requirement as standard, however at Sieger we take extra steps for our framing when it is being used in marine environments. We recommend pre-anodising the frame and then applying our marine grade PPC. This creates aluminium framing which has excellent durability when faced with harsh environments. Glass Specification External glass panes used in any marine environment, including coastal areas, should also be considered carefully as these are exposed to the same conditions as the aluminium framing. Specifying a low maintenance coating is one way to protect glass from the salt deposits and chemicals in the sea air. This type of coating involves a layer on the external side of the external pane, which fills in microscopic divots on the glass surface. By creating an extremely smooth surface on the glass makes it difficult for any deposits from the air to settle. Another glazing option we recommend specifying for glazing in marine environments is solar control coating. Many properties in marine environments are south facing which means the internal living spaces can become overheated when large glazing elevations are installed. Solar control coatings are applied to the internal face of the external pane in a double or triple glazed unit and work by reflecting the sun’s infrared rays away whilst keeping heat energy in. This prevents the property from overheating while preventing heat loss, helping to maintain a comfortable temperature all year round and reducing energy costs. It is also important to keep in mind the higher levels of rain and wind that exposed properties in these areas might be required to withstand. Please read our article about weather testing to understand these classes in more depth. For more information contact our technical team who will be able to answer any questions and discuss your project in more detail. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk. Interested In Our Aluminum Framed Products? Click Here To Find Out More


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium bifold door, aluminium window, Technical Article, thermal break, thermal bridge

Thermal efficiency of glazing systems is an important factor to consider when choosing windows and doors for your project. Windows were once thought to be the cause of huge amounts of heat loss in homes and people tended to be conscious of including too much glazing in their property. This may have been true 20 years ago, but with modern advances in glazing, windows and doors can be designed to have high levels of thermal efficiency and help to save money on bills. One way to ensure glazing has a high thermal performance is through the use of a thermal break within the frame. This is especially important in metal framed windows and doors to avoid thermal bridging. What is thermal bridging? Thermal bridging occurs when a conductive material is used to frame glazing systems. The conductive material transfers heat energy from one side of the glazing to the other, causing a significant loss in heat and energy within the home. Conductive materials, such as aluminium, transfers heat from the internal living spaces to the outside areas and transfers the cold from outside into the internal living space. Thermal bridging is also a common cause of condensation on the inside of windows and doors as the cool air that gets transferred reacts with the warm internal side of the frame to form condensation. With condensation can come mould, to avoid the areas around your windows becoming damp and mouldy it is important to make sure your windows do not conduct heat energy and that they are fitted properly by trained and experienced fitters. What is a thermal break? To avoid thermal bridging, especially with metal framing, a thermal break can be used. Thermal breaks are materials incorporated into the frame to prevent conductive thermal energy loss. A material with low thermal conductivity is used within the frame to separate the interior and exterior sides of the frames, preventing the conduction of heat energy. Modern thermal break technology tends to see reinforced polyamide bars used within the frames. Polyamide materials, such as nylon, are ideal for thermal breaks as they have extremely low thermal conductivity. A polyamide thermal break is used in all Sieger external glazing systems as the thermal efficiency of our client’s homes is of the upmost importance. In a double or triple glazed unit, having a thermal break between the materials helps to increase the thermal performance of the window, door or rooflight. Thermal breaks decrease the Uf value (thermal value of the frame) and therefore the overall U value, and the lower the U value the better. For more information on thermal performance ratings check out our technical advice article on thermal performance ratings. Why are thermal breaks important? Thermal breaks are essential for any external modern glazing system. Thermal bridging can be responsible for up to 30% of a property’s heat loss. This lowers the homes energy efficiency, leading to higher heating bills. The heat loss is not the only issue, overall having a colder home with condensation and mould can lower the occupant’s quality of life. Being near cold windows in the winter months is extremely unpleasant and can make part of the home unusable. An added benefit of using a thermal break is that by separating the interior and exterior parts of the frame, this allows for dual colours on some systems. The internal part of the frame can match the internal colour scheme, whilst the outer part of the frame can be designed to blend in with the building exterior. There are many ways to ensure that your windows and doors have a high thermal performance, thermal breaks are just one way. Sieger also use argon gas cavities and double glazing as standard for all external glazing solutions and many of our products contain warm edge spacers. All glass used in external Sieger systems can be specified with a low e coating, helping to keep the warmth within the home whilst preventing the suns rays from causing the internal spaces to overheat during the warmer months. If you have any other questions about the glass used at Sieger or any of our glazing solutions don’t hesitate together in touch with our team. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, low e coating, low e glass, Technical Article, thermally efficient glazing

What is low e glass? Low e is the shortened term for low emissivity. Emissivity of a surface refers to the amount of energy it emits at specific wavelengths. This is directly affected by the amount of long-wave infrared energy it absorbs, as the more energy absorbed the more the surface emits. A significant amount of heat in a home can be lost through the windows and doors. This is due to the fact that glass has a high emissivity rate, meaning it absorbs heat and then transfers it from the inside of the property to outside and vice versa. Low e glass has a thin coating applied to the internal side of both the inner and outer panes in a double or triple glazed unit. This coating reflects the long wave heat energy that the glass would normally absorb, lowering the emissivity of the panes and helping to keep a home well insulted. Sieger uses a low e coating on all double and triple glazed products to ensure our customers have the best glazing solutions. How does it work? A low e coating stops the glass from absorbing heat energy and reflects it out. This means that any heat within a home cannot escape and will be reflected back into the internal living spaces. By reflecting the waves back into the home, this helps to maintain a high energy efficiency whilst keeping heating bills low. This also means that heat from the external areas don’t enter the internal areas. An advantage of this is that it prevents a hot climate from overheating the inside of the property and aids in controlling solar gain. Emissivity is rated on a scale from 0 to 1, with 0 being a low emissivity rate meaning the material reflects all heat energy and 1 being high emissivity meaning it absorbs all heat energy and therefore is not thermally efficient. Naturally, glass has a relatively high emissivity rate but using a low e coating on the glazing can greatly reduce this. The average standard clear glass pane can have an emissivity rating of up to 0. 9, and low e coatings can reduce this to below 0. 1. Advantages and Disadvantages Another advantage of low e glass is that it can provide a certain level of UV protection as the coating applied to the glass will block UV and infrared light. This is important as UV light can fade furniture and flooring within a property. So this coating can help to prevent this and preserve your interior design features. Low e coatings can also be used in conjunction with other glazing features such as glass coatings and decorative interlayers. Some glass coatings can have the slight disadvantage of causing the glass to have a minor coloured tint. Low e coatings are a microscopic transparent layer and the difference is barely noticeable to the naked eye. The only disadvantage of low e coatings is that it can be more expensive. Some glazing companies will charge extra for low e coatings on glass which can deter some people. Sieger uses these coatings on all external glazing solutions, therefore this is not an issue and our customers benefit from the many advantage of low e glass. For more information contact our technical team who will be able to answer any questions and discuss your project in more detail. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, heat soaked glass, laminated glass, safety glass, Technical Article, toughened glass

When it comes to glazing, safety glass should always be used to ensure no injuries are sustained in the event of a breakage. Toughened glass is an excellent type of safety glass as when broken the glass shatters into small harmless pieces, posing less of a risk than large, sharp shards of glass. This used in conjunction with an interlayer greatly reduces the risk of harm. The process of toughening glass involves heating the glass and then cooling it rapidly. The sudden change in temperature causes stresses within the glass which causes the glass to shatter into tiny pieces when broken. Heat soaking is an extra step from toughening glass. This eliminates any panes that would be susceptible to nickel sulfide breakages, a naturally occurring phenomenon in glass. It can be difficult to know which types of projects need toughened and which should use toughened and heat soaked glass. This article will help you decide which type is right for your project. Toughened glass The process of creating toughened glass involves heating the glass to temperatures of around 650°C and the rapidly cooling the pane until it is cool to the touch. Sudden temperature changes can cause glass to shatter due to the differences in temperatures across the surface creating stresses. This is also known as thermal shock, and the toughening process causes any weak panes to shatter which significantly reduces the risk of thermal shock or fracturing breakage. By cooling the glass at speed, the outer areas become cool to the touch whilst the middle remains at a high temperature. This difference in temperatures across the glass causes stresses which results in a tougher pane that is significantly more difficult to break than float glass. This results in glass that is up to five times stronger than standard float glass. It also means that due to the tension in the glass, in the event of breakage it will shatter into small, rounded pieces which are less likely to injure someone. Sieger uses toughened glass as standard for all glazing applications as our customers safety is of the upmost importance to us. Depending on the glazing solution, we also use toughened laminated glass for an added level of safety. This is always used on the external pane of a floorlight, or for internal pane of a rooflight, for example. Laminating toughed glass increases the safety by holding the shattered pieces in place when broken. Heat Soaked glass Toughened glass panes have a very low risk of spontaneous breakage. This is due to the nickel contaminants in the glass reacting with sulphur that comes from the heating part of the toughening process. When the nickel contaminant reacts with the sulphur it can create nickel sulphide inclusions which grow over time and then seemingly at random will grow to the point where the glass breaks. Although extremely rare, all toughened glass could suffer from a nickel sulphide inclusion. This can happen days, weeks and even years after the toughening process. These breakages can be avoided by heat soaking the glass. This extra step in the glass manufacturing process involves putting the toughened glass panes involves into an oven where it is heated to around 290°C for a prolonged amount of time. This controlled heating cycle accelerates and nickel sulphide expansion that would occur over time resulting in any weak panes that would have been at risk of a nickel sulphide shattering. Although heat soaking can identify more than 95% of problem panes, this process does not eliminate 100% of nickel sulphide inclusions. It is important to remember that nickel sulphide breakages are extremely rare, this extra step is worth the cost in certain glazing applications. There is no need to specify toughened glass at Sieger as all our glazing is toughened as standard. In certain installations, we may recommend specifying heat soaked glass. Glass balustrades, especially frameless ones, should undergo the heat soaking process as the possibility of missing a handrail, whether it’s internally or externally poses a severe safety risk for people. Heat soaked glass may be necessary for installations located in hard to reach places, as replacing the glass would be difficult and possibly costly. For large glass installations, or glass units that support another element of the building this may be a good idea as similar to above, the replacement of a glass pane could cause issues and incur a large cost if the structure becomes damaged. Glazing with unique or intricate glass designs such as kiln-formed glass could be heat soaked in order to avoid having to replicate the intricate design. This is especially important if the glazing was manufactured years ago as it may be difficult to make an exact replication. If you have any other questions about the glass used at Sieger or any of our glazing solutions don’t hesitate together in touch...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium bifold door, aluminium window, casement window, frameless rooflight, Technical Article

In construction, glazing systems such as windows and doors are given U value which dictates their thermal performance. This is tested by measuring the heat flow rate through the element as well as monitoring the temperature on either side under controlled conditions. Overall U values for glazing systems are generally calculated using BS EN 673:1998, the standard test method for determining thermal transmittance in glass and glazing. It is written in the unit of W/m2K, this essentially means the amount of energy (Watts) that travels through the surface of the material at normal temperatures (Kelvin). Therefore the lower the value the better, as less heat travels through the system. U values explained There are three U values that relate to the thermal performance of windows, doors and roof glazing, these are the Ug, Uf and Uw value (also known as the overall U value). The Ug value refers to the centre pane performance of the glass unit. This tends to be the lowest and therefore the best out of the three U values. Glass is not a conductive material and factors such as specialised coating and double or triple glazing can bring the Ug value down further. Uf value is the thermal performance of the frame, this tends to be higher than the Ug value. For the Uw value, also known as the overall U value, the Ug and Uf value are combined taking into account size and configurations. Some companies give the Ug value as the U value which can lead the customer to believe the systems have a higher thermal performance than they do. This is why is it important to always make sure your glazier is quoting the correct ‘U values’. Building regulations Building Regulations Part L documents state the standards windows and door have to meet in England and Wales, these can be found online through the online planning portal. The current version of the Building Regulations L1A sets the energy efficiency standards for new build homes. This document states that windows, roof lights and glazed doors must have an overall U value of 2. 0 W/m2K or below. This allows architects more freedom with design, however, they must ensure the overall energy efficiency of the house satisfies the TER (Target CO2 Emission Rate) and TFEE (Target Fabric Energy Efficiency) rates. Building Regulations Part L1B covers the values required for existing buildings. In accordance with this document, the overall U value for windows and rooflights cannot be higher than 1. 6W/m2K and doors with over 60% of the internal face glazed cannot be above 1. 8W/m2K. Our team at Sieger can advise you on which systems are best for your type of project. All Sieger window and door systems come with a low e coating and argon gas filling as standard and by utilising triple glazing, we can ensure Sieger windows, doors and rooflights adhere to regulations. Thermal Bridging & Breaks An issue that used to occur with aluminium frames was thermal bridging due to aluminum being a conductive material. With modern glazing advances this is no longer the case as thermal breaks can be used to stop heat travelling through the aluminium. Aluminum has come a long way in terms of aesthetics, security and thermal performance. All Sieger frames are thermally broken to ensure maximum thermal performance. Each frame has a polyamide barrier within the frame, which is made from non-conductive materials such as nylon. As aluminum is a conductive material, the cold air outside brings the temperature of the frame down significantly. When this reacts with cold air from inside the property is can cause a condensation build up on the inside of the glazing and within the glass panes. This is referred to as thermal bridging and it is one of the most significant heat loss areas in buildings comes from thermal bridging. Having a thermal break with a non-conductive material prevents thermal bridging from occurring. When true glazing bars are used, such as in the Sieger Legacy Systems this can affect the Uw value as a significant amount of heat is lost through air leakage where the glass and frame meet. Sieger uses warm edge spacers between panes in a double or triple glazed unit to reduce the energy loss at this point. Single, Double or Triple Glazing? Single glazed has the lowest value, the higher glazed it is the lower the U value will be. Sieger systems come with double glazing as standard, however triple glazing can be specified in most systems. Triple glazed units have a better Ug value due to the additional glass pane and second gas filled cavity. By using triple glazing the thermal performance can be improved. However not every system is suited to triple glazing. Some framed glazing systems are not designed to hold a deeper glazing unit and therefore triple glazing cannot be used in them. Triple glazing is also heavier so careful note must be taken of the weight...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, colour glass, decorative glazing, kiln formed glass, Technical Article, unique glazing

When it comes to integrating decorative glazing within your aluminum windows and doors, functionality should not be the only thing that comes to mind. With modern glazing advances glass can now be used to improve the aesthetic of the exterior of buildings as well as be used as an interior design element. Through use of interlayers, tinted glass or special manufacturing processes glazing design is now extremely flexible and should be incorporated into designs for a unique finish. Kiln Formed Glass This type of glazing is created using a kiln and a mold to shape patterns on glass. This process allows glass to have unique and textured finishes. For any project that desires a unique glazing solution, kiln formed glass should be considered. The molds are designed onto fire boards which sit at the bottom of the kiln. This can be done in different ways and made from different materials depending on the intricacy of the design. Glass is placed onto a mold, it is heated to temperatures upwards of 800 degrees in the kiln. As the glass becomes molten is moves to fill in the mold. Once the molten glass has filled the mold a slow and steady cooling process takes place. This is to avoid breakages that can be caused by sudden changes in temperature.   Glazing with additions such as a low iron coating or a solar control coating can still be kiln formed. The process is carried out in a slightly different way with the coated glass being heated from above and below using two different methods. Electric heating is used to heat the glass from below whilst it is heated form above by radiant heating. Once the glass has been kiln formed and cooled it can then be toughened or heat soaked or multiple panes can be used to create laminated glass. Due to the uneven surface of Kiln Formed Glass there are restrictions on the type of systems it can be used within. Speak to the team at Sieger for your specific project requirements. Screen Printed Glass Screen printed glass provides privacy, solar control and an artistic element. Ceramic enamel paint is used to create patterns and designs on to the glass. This paint is available in the majority of RAL colours and so can be designed to match surrounding buildings and glazing. This type of decorative glazing tends to be used for external glazing and is popular choice for glass balustrades as it provides privacy on the balcony or roof terrace whilst still remain aesthetically pleasing. It is vital that the paint is applied when the glass in in the float stage, once this is done the glass can then be toughened and laminated. During this process is when the heat causes the paint to fuse with the glass. This paint can also be used for anti-slip purposes though use of a ceramic fritted pattern. Back Painted Glass Back painted glass is quite simply glass that is painted of the opposite side to which it is viewed. This form of decorative glazing tends to be used for internal glazing and it can be affected by the elements, unlike screen printed glass. When glass is screen printed the paint becomes part of the glass during the intense heating process, back painted glass is heated to a much lower temperature meaning the paint is only bonded to the surface. It is due to this that back painted glass is cheaper than screen printed glass. A popular use for back painted glass is in office buildings. It can be used on top of desks, or as desk and cubicle dividers. This can bring a touch of colour to an office, as well ac acting as an aesthetically pleasing functional element. Screen printed is higher in quality though and more durable hence usually bring used for external glazing and back printed is used for internal glazing. Decorative Interlayers The process of glass lamination can be utilised to create unique glazing designs. Colours and fabrics can be incorporated into interlayers in order to turn a standard window or door into a striking design element. You can even laminate stranger things within a glass panel such as grass or feathers. Coloured Interlayers When glass is laminated an interlayer is used to bond who panes of glass together for increased strength and durability. This is usually clear however coloured interlayers can be used. Coloured interlayers used by Sieger are highly pigmented and produce a strong vibrant translucent colour. An excellent showcase of this is in our glazing showroom in Amersham, where a large colour pane of structural glazing can be seen. If opaque coloured glass is required the coloured interlayer can be combined with two block or white interlayers. This produces completely opaque glazing that light of vision cannot penetrate. Sieger also provides colour matching to ensure the glazing provided...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, belgium doors, Bifold Doors, french doors, patio doors, sliding glass patio doors, Technical Article

In recent years there has been a growing trend of indoor-outdoor living spaces, especially the past year where many people have spent more time in their home than ever before and in turn have sought to create a more enlightening living space. Winter may seem like an odd time to be thinking about spending time outside in your garden, but in fact now is the perfect time to start planning so you can have the space ready for when the warmer weather comes. There are many factors to consider when deciding which patio doors are right for you and which will give you the most seamless transitions between the interior and exterior. What do you want to achieve with these doors? How much space is there? Do you want a flow between the indoors and outdoors or a complete merge? When the warmer weather comes you can open up the large patio doors and eat inside with the benefits of shade and being close to the kitchen, with additional ventilation and a feeling of being outside. Which door should I choose? Bifolding Sometimes referred to as folding patio doors or sliding folding doors, bifolding doors are an excellent option for a patio door. Not only can they open up to allow a seamless transition between the inside of the home and outdoors but with modern advances in architectural glazing, these systems can now offer beautiful views without the thick frame. The in-house design team at Sieger have engineered the Sieger Lux Bifold Door to be one of the slimmest bifolds on the market with a profile width of just 30mm. Sieger also have the tallest bifold door on the market, with our Sieger Super Lux Bifold reaching staggering heights of 5m. Sliding Designed to push architectural boundaries, aluminium sliding doors can now be designed to fill extremely wide structural openings. Sliding doors can have exceptionally slim sightlines, with the Sieger Slim Sliding Door achieving a sightline of just 20mm. One issue some individuals may have with sliding doors is that when open and the doors are stacked, these is still one panes width blocking the way. This means that for project with smaller structural openings, bifold or casement doors may be a better option. However, our slim sliding glass doors can be designed as pocket doors to allow a complete merge between spaces. Sliding invisibly into hidden wall cavities to reveal a completely open aperture, this configuration delivers the clearest structural opening. Whether or not this is right for your project depends on the building structure, as a cavity will be needed for the doors to slide in to. Casement Casement doors, also known as French doors, have been a popular choice for patios since the 1990s. They have a timelessly elegant design that will never go out of fashion. The Legacy Casement Door and Sieger Casement Doors can be inward or outward opening. The option of additional glazing bars on our Legacy Casement Doors mimic the industrial aesthetic of traditional steel framed glazing. Glazing bars and slim frames make the Legacy Casement System perfect for modern steel replacement glazing. Configurations Corner Both the Sieger Sliding Door Systems and Sieger Bifolding Doors can be designed in a corner configuration. Depending on the building structure and weight of the roof, this configuration can be used to achieve a ‘floating roof’ when the doors are open. Biparting Biparting configurations for sliding and bifolding doors allow for larger structural openings to be filled. For example, with the Sieger XL Sliding Door, the system has a maximum width of 4m per pane and can be up to three tracks, filling an opening of 12m. However, by using a biparting configuration this can be doubled. Casement with sidelights Both the Sieger Casement Door and Legacy Casement Door are extremely flexible in design. They can open inwards or outwards, be a single or double door and have matching fixed window systems that can be fitted around the doors for increased outdoor views and natural light. Frame finishes All aluminium framing used for Sieger Systems can be finished with a PPC in any RAL colour, there are also specialised finishing options such as anodizing. This means the patio doors can be designed to match the design of any existing building exterior. Some may choose the have the frames a similar colour to the rest of the building so the doors blend seamlessly into the walls. Other may choose to have contrasting colour, for example, a black frame that stands out against a white exterior of a property. There is a wide range of Sieger Window Systems available to match all of our doors, which can be polyester powder coated in the same colour as the doors for a coherent and uniform looks across the exterior of the house. There are many factors to consider when choosing which patio doors are right for you. Some of these factors...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, floor glazing, frameless balustrade, glass floor, low iron glass, Technical Article

What is a glazing interlayer? Laminated glass is a type of safety glass where two or more panes are bonded together to form a unit. Interlayers are used in this process to bond the two panes together when manufacturing this type of glass. Using a security interlayer has many advantages, more information on these benefits can be found here. This interlayer is often made from PVB (Poly Vinyl Butyral), but there are many other interlayers available. PVB is one of the oldest interlayers used in laminated glass, with its use dating back to the 1930s. It is used widely to laminate glass used in the automotive industry. SGP (SentryGlas Plus) is another popular security interlayer used in laminated glass, with increased strength and security. Heat soaked and toughened glass can be incorporated into the laminated glazing to create a secure pane that will be tough to break and even tougher to break through. Sieger Systems have a huge range of aluminium windows and doors, but did you know we do Fire Rated Glazing and Structural Glass too? What is a PVB interlayer? Poly Vinyl Butyral is a tough plastic resin that is used in between two panes of glass to bond them together. It’s made from polyvinyl alcohol through reacting it with butyraldehyde. This resin is placed in between glass panes then a combination of heat and pressure is applied to create one laminated pane. Sieger often use a PVB interlayer for internal glass balustrades and an SGP interlayer for external frameless glass balustrades. What is an SGP interlayer? SentryGlas Plus is an ionoplast interlayer that when used to laminate glass boasts extremely high weather resistance and strength levels. The two are usually manufactured using the same process of applying heat and pressure to the glass to melt the layer in between which then acts as a glue, bonding the panes together. Glass that uses this tough plastic interlayer is more costly than glass that uses PVB, however it has many advantages such as greater clarity. What are the main differences between the two? Both interlayers provide strength and security in the event of breakage, however there are significant differences in their performance levels. SGP reportedly has 5 times the strength and 100 times the rigidity of standard PVB. For external glazing systems that use low iron glass or glazing with exposed edges like frameless glass balustrades, SGP is clearer than PVB making it an ideal interlayer for these systems. If a glazing system has exposed edges, such as a frameless glass balustrade, as PVB is susceptible to absorbing moisture it may start to decay after a year or two. This can be avoided by using a metal capping along the balustrade. When an internal glazing system has exposed edges, such as the Sieger Frameless Glass Balustrade System, PVB is commonly used as it is not exposed to the weather elements and does not need to be waterproof. In a glass unit with a PVB interlayer, if one side of the unit is damaged the glass will stay in place, however if both sides are broken then the glass may fall out of the unit. With an SGP interlayer, even if the glass on both sides of the pane are damaged, it will usually stay in place. Which one is right for my project? We recommend using PVB for internal glazing as SGP can be more costly and the higher performance levels are not required. For external glazing with exposed edges, SGP should be used to avoid discolouration and disintegration from weathering. Here at Sieger we use toughened and laminated glass as standard for the outer panes of floorlights and inner panes of our rooflight systems. This protects people in the event of breakage from injuries from shattered glass. For more information contact our technical team or book a showroom visit where you can discuss your project in person and get advice on which interlayer is right for you. Speak to the team today to book a showroom visit or for more information. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium window, casement window, gable end window, Technical Article, Tilt and Turn Window, top hung window

Windows can have a significant impact not only on the look of a property, but also on the security and efficiency. Choosing the right window for your project can be a daunting task and there are many factors that need to be considered such as style and performance. Here at Sieger we produce aluminium framed windows, among other aluminium glazing products, at our state of the art manufacturing facility. Aluminium is long lasting, eco-friendly, and flexible in design, making it an excellent material for glazing frames. Types of windows Flexibility in design is a key element when it comes to bespoke and beautiful glazing. At Sieger we have a range of windows to choose from in a variety of configurations, sizes and colours. Side Hung Most residential properties have side hung windows, and at Sieger any of our window systems can come in this configuration. If a minimal and modern design is required, we have systems with ultra slim framing. Alternatively optional glazing bars can be included in the design for a more traditional aesthetic. Top or bottom hung It is not uncommon to see top hung and bottom hung windows in residential properties Top hung windows are excellent for the UK as they can be opened whilst it’s raining and not let the water inside. Bottom bung windows can be a popular choice for buildings such as hospitals and universities, where there may be people at risk of falling from a window. Tilt and turn Tilt and turn windows have a versatile design and flexible ventilation options. These windows can be tiled open to allow for ventilation without losing heat from the house but can also open as a normal side hung window. We have two windows which have the option to be manufactured in a tilt and turn configuration, the Sieger 70 Window and the HD option for the Sieger Slim Casement. Fixed Fixed windows can be stand alone or surrounding doors to fill the structural opening.  Our fixed gable end windows can be designed to fit almost any roofline shape to create a statement window design. How much do they cost? There’s a variety of factors which affect the cost of a window such as size, configuration, frame finish and glass specification. Our Sieger Aluminium windows can start at approximately £550 p/m2, however this is only a rough estimate and can vary greatly depending on the above mentioned factors. To get a quote for your windows get in touch with the team. How long do they last? Aluminium is one of the most long lasting, durable materials used for glazing framing. Not only is aluminium corrosion and rust resistant but at Sieger we can Polyester Powder Coat our aluminium frames with any RAL colour for extra protection . The average lifespan of aluminium framed glazing can be up to 45 years, which is an extensive life compared to uPVC windows which have an average life expectancy of around 30 years. One main advantage of aluminium windows is that they are largely maintenance free, however there are steps that can be taken to ensure they last as long as possible. How can you prolong the life of aluminium windows? Making sure the right protective coating is applied to the frame is the first step in prolonging the life of your aluminium glazing. Polyester powder Coating (PPC) is the standard finish for aluminium frames and at Sieger we can use a PPC finish in any RAL colour desired. If the glazing is going to be in a harsh environment, such as a marine environment, there are other finishes such as a marine grade coating that can be applied. Cleaning twice a year with the right products and carrying out yearly checks are other steps that can be taken in ensuring your glazing reaches its full potential. Read more about these here. Why choose aluminium windows for new builds? New build homes must meet certain standards, and in recent years there has been a big focus on making your home more sustainable. Aluminium is 100 percent recyclable and all Sieger window frames are thermally broken to achieve modern thermal performance values. All Sieger window systems come with double glazing as standard but can be specified with triple glazing to achieve the highest levels of insulation. New build homes often follow contemporary architecture trends which can include sleek modern designs. Many of our systems have ultra slim frames so can blend in seamlessly with minimal building designs. Why choose aluminium windows for period properties? Renovating period properties can come with many challenges, like figuring out what is allowed by the planning permission board at the local council. When selecting replacement windows for a period property, one of the most important things is that the glazing does not change the original property features. Many of these properties originally would have had steel or timber window frames and aluminum can be used to replace either....


- Categories: Tech advice
- Tags: Advice Posts, aluminium bifold doors, aluminium glazing, aluminium sliding doors, aluminium windows, Technical Article

Due to aluminium being corrosion-resistant, a huge advantage of aluminium framed glazing is the lack of maintenance they require. The average life expectancy of aluminium windows and doors is around 45 years, which is extensive compared to UPVC glazing systems which can only last around 30 years. Aluminium glazing does not need as much maintenance as UPVC or timber, however, there are steps that can be taken to ensure that the systems reach their full potential. This article will cover these steps, if you have any more questions please get in touch and our technical team will be able to help. Using the right coating Having a Polyester Powder Coating on the aluminium frames helps to retain the longevity of the aluminium glazing systems. This coating not only colours the frames but provides a protective layer that prevents rust and aids in weather proofing. If the glazing systems are in a harsh environment such as a marine environment, there are other coatings available for the glazing systems. In a marine environment a marine grade coating can be applied to prevent the salty air corroding the metal. Cleaning twice a year Aluminium frames do not need cleaning often; however they should be cleaned every six months. For the outer section of the frames, a gentle sweep around the area and then a vacuum will remove any debris that could cause damage to the system. This is especially important in sliding and bifold doors where debris in the track could prevent easy sliding and obstruct the rollers. Using a low maintenance coating on the glass means it won’t need to be cleaned as frequently but it is still good practice to clean the whole system at least twice a year. Cleaning with the right products It is vital that you take caution when it comes to the cleaning product used on aluminium framed glazing systems. Simple solutions are best, a damp cloth is enough to clean the frames. For the glass, a mix of warm water and soap or a non-abrasive glass cleaner is all that is needed. Yearly checks One a year check that all aspects of the systems are working and damage-free. If there is an issue with the locking mechanism, for example, make sure it is repaired as soon as possible to avoid further damage. Ensure that any seals, tracks, rollers, etc are running smoothly and are not damaged or worn. If there is damage to any part of the system, leaving this can result in more damage in the long term. Fixing any damages as soon as they happen will help prolong the life of your aluminium framed glazing systems. As aluminium is resistant to corrosion, decay and rust the glazing systems can withstand harsh environments such as internal pool areas and bathrooms. It is important to discuss your plans with a member of our team so we can be certain that your systems have the right protective coatings if necessary. Overall aluminium framed glazing is largely maintenance free, but by taking these steps you can ensure your windows and doors have a long and dutiful life. For more information contact our technical team to discuss your project in more detail. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice
- Tags: Advice Posts, aluminium sliding doors, large glass sliding doors, large sliding patio doors, Technical Article

What is oversized glazing? A glass pane is classed as oversized when the glass panel exceeds 2. 4m in both height and width. The Sieger Slim Sliding Door can reach widths of 2. 5m and heights of 3m, and the Sieger XL Sliding Door can reach widths and heights of 4m so both of these glazing systems can be specified as oversized glazing. Oversized glazing is possible on most aluminium sliding doors as they are supported at both the head and the base. It is important to keep the measurements for glazing in mind when measuring drawings and looking at pricing as oversized glass is more expensive. There are many advantages to using oversized glazing such as uninterrupted views, increased natural light entering the property and passive solar gain. Uninterrupted views Large panes of glass paired with ultra slim sightlines offers uninterrupted, panoramic views of the outdoors, as well as providing a minimal and modern design. The Sieger Slim Sliding Door has slim sightlines of just 20mm and the Sieger XL Sliding Door has a sightline of 25mm. More natural light Larger panes mean less frame is necessary and so floods of uninterrupted natural light is able to enter a property. Natural light is not only beneficial for your health but can help to make the interior living spaces appear bigger. Less heat lost through air leakage As heat can be lost through air leakage where the glass and the frame meet, fixed glazing tends to lose less heat and larger glazing units tend to leak less air per unit area. Our Sieger XL Sliding Doors come with insulated triple glazing as standard and all aluminium frames have a thermal break. Indoor-outdoor living Using large panes of glass with minimal framing, means that the indoor and outdoor spaces can be merged, not only when the doors are open but also when they are closed. When the sliding doors are opened it can create a seamless transition between the interior and exterior living spaces, effortlessly achieving an indoor-outdoor style of living. Passive solar gain Using oversized glazing on the exterior of a property can help homes feel warmer on sunny days. The infrared rays form the sun can penetrate through the glazing and be absorbed by furniture and materials which will then emit longer infrared rays and warm the space. Solar control glass can be used on south facing glazing unit to prevent the interior space from getting too warm. Having large panes of glass may seem like they would be difficult to keep clean, however, we offer low maintenance glass. Low maintenance glass has a coating applied to the outside of the internal or external pane which fills in microscopic pores in the glass, creating an extremely smooth surface. This means it is more difficult for dirt to stick to the glass and liquids tend to run straight off of it. Specifying this coating means the glazing won’t need to be cleaned as often and cleaning times will be greatly reduced. For more information contact our technical team so you can discuss your project in more detail and ask any questions you may have. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, glazing interlayer, laminated glass, security glass, security glazing, Technical Article

What is laminated glass? Laminated glass refers to two or more pieces of glass which are bonded together using a material such as plastic or resin. In the event of breakage, these interlayers hold the shattered glass in place which significantly reduces the risk of injury to anyone nearby. The laminating process involves a combination of heat and pressure to bond the glass and ensure there are no air pockets within the pane. One advantage of laminated glass is that it has a higher thermal performance and can help to improve the thermal efficiency of your property. It also reduces the amount of UV radiation entering the property which helps to prevent furniture and flooring from fading. At Sieger, we often use a combination of toughened and laminated glass to achieve the highest levels of safety and security. What is a glazing interlayer? A glazing interlayer is a layer of material placed between pieces of glass to bond them together.   This material is usually plastic however this is not always the case. With fire-resistant glass, we use an intumescent gel interlayer between the glass. Interlayers can be used to turn glazing into decorative design features. They can be coloured, include prints, fabric and even unique elements like grass. How is glass laminated? There are multiple ways to laminate glass and how it’s done depends on the material being used. The most popular lamination techniques are interlayer lamination and resin laminated. Interlayer Lamination is when an interlayer is placed between two pieces of glass. They are sealed together by a series of pressure rollers and then heated. This combination of pressure and heat chemically and mechanically bonds the interlayer to the glass. Resin Lamination is when two pieces of glass are held together and liquid resin is then poured into the small gap in-between. Once the small cavity between the glass has been filled with the liquid resin this resin is then cured. This can either be cured using UV or through a chemical process. Laminated glazing, especially using toughened glass, not only increases the strength and security of the glass but also improves the acoustic insulation, provides UV protection and can be used as a decorative element. Glass Security Interlayers There are two types of strengthening security interlayers that we use at Sieger: Poly Vinyl Butyral (PVB) and SentryGlas Plus (SGP). We highly recommend using a security interlayer for rooflights and floorlights, as well as any structural glazing. What is a PVB interlayer? Poly Vinyl Butyral is a resin interlayer. When used within a glass pane this interlayer will block approximately 99% of UV radiation from passing through. This will help protect internal materials from UV fading, such as real wood floors or expensive artwork. When a PVB interlayer is used for glass units with exposed edges, such as a frameless glass balustrade, there is a chance it may start to decay after a year or two due to weathering. At Sieger we tend to use a PVB interlayer for internal glass balustrades and an SGP interlayer for external frameless glass balustrades. What is an SGP Interlayer? SentryGlas Plus is an ionoplast interlayer made from tough plastic and is used to create stronger glass panes. Similarly to PVB, if the glass breaks this interlayer will hold the pane together and prevent it from shattering. This makes it ideal for structural glazing where the glass bares the weight of the structure. Decorative interlayers Laminated glazing allows for flexibility in design, nearly anything can be incorporated into the interlayer for truly bespoke glazing. Coloured interlayers Coloured interlayers are where the material used for the interlayer, PVB for example, is coloured. We also offer a colour matching service to that the desired colour can be achieved. Fabric interlayers Fabric can also be placed between the glass panes during the laminating process to achieve the desired aesthetic. Printed interlayers You can create bespoke prints of maps, logos and marketing materials onto an interlayer and laminate it into a glass pane for decoration. Screen printing can be used to write door numbers, building names and company logos onto glass doors and entrance ways. Fire rated glazing Fire rated glazing uses a transparent intumescent gel interlayer between glass panes. When heated this gel interlayer swells and created a barrier that slows the spread of the fire. For more information contact our technical team or book a showroom visit where you can discuss your project in person and see the Sieger window systems. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium windows, casement window, Technical Article, Tilt and Turn Window, window restrictors

What are window restrictors? Window restrictors are safety devices fitted within a window frame that prevent the window from being opened past a certain point. There are a wide range of window restrictors available, and it is important to get the right device for your system. Having window restrictors in family homes allows for ventilation throughout the house without the risk of anyone falling out and harming themselves. Children under five are most at risk of falling from an open window and so it is recommended that homes with children below this age have a window restrictor. Window restrictors can also increase the security of your home by preventing entry through open windows. What are the types of window restrictors? A limiting restrictor makes it so an active sash can only open as far as a certain point by having a maximum number of opening stops. Holding restrictors are mechanical devices that can hold the active sash open at a certain point. This includes peg stays that allow the window to be fully open when the restrictor is not manually put in place. For windows such as the Sieger 70 Tilt and Turn Window, a reverse restrictor can be used to the window opening at certain points. This mechanical device holds the reversed active sash securely for cleaning. A safety restrictor is a mechanical device that limits the initial movement of an active sash to a predetermined position. Sieger’s safety restrictors have a maximum opening of 100mm. This restrictor prevents accidental passage through a window. It can come in multiple designs such as a metal device or a device with a robust cable. These restrictors are lockable with a key, so the restrictor can be removed and the window fully opened. Child safety restrictors have a maximum opening of 89mm. Similarly to a safety restrictor, this mechanical device limits the movement of an active sash but has a smaller opening. This device prevents passage of children up to 12 months old. Sometimes window restrictors are a legal requirement. In certain buildings such as workplaces, a risk assessment must be carried out to assess if window restrictors are necessary. Under health and safety legislation, window restrictors are required where people who are vulnerable to the risk of falling have access to windows. This means all windows above ground level which do not have another fall prevention safety measure in place, such as a balcony or balustrade should have a restrictor. Examples of places which need restrictors include but are not limited to hospitals, care homes, schools, colleges, universities, hotels, rental properties, homes with small children and the workplace. All window restrictors must meet the current British Standards BS EN 14351-1 which is the European Standard for windows and doors and BS EN 13126-5 which specifies the requirements and test methods of devices that restrict the opening of windows. For more information contact our technical team or book a showroom visit where you can discuss your project in person and see the Sieger window systems. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice
- Tags: Advice Posts, beaded glazing, bonded glazing, glazing security, sliding patio doors, Technical Article

What is bonded glazing? Bonded glazing is a strong chemical connection between a glass unit and a structure, frame or other unit of glass. It is most often used in frameless or very minimal glass installations. The process of bonding the glass to structures minimises the use of additional bits of frame meaning that the installation has less structure. Glass that is bonded always must have a silicone seal to the double or triple glazed unit in order for the bonding to be successful. What is beaded glazing? Beaded glazing is a more traditional form of fixing glass into framing systems. The glass unit is placed into the frame and then a glazing bead is clipped into the frame, securing the glass unit in place. The bead can be made from a variety of materials including vinyl, wood, aluminium and uPVC. Although in most cases the glazing bead is in the same material as the frame. Bonded vs Beaded Both bonded glass and beaded glass installations have their place in construction. There will be many factors to consider when looking to choose between a bonded and beaded system. Design Bonded glass is most often used in aluminium windows and doors with a very minimal frame design. By bonding the glass into the frame you reduce the amount of frame in the opening and therefore reduce the sightlines. Our Sieger Slim sliding door system is a bonded system. This means that we need no glazing bead to hold the glass in place and the sightlines are a very minimal 20mm. Due to bonded glazing having slimmer sightlines, it may seem more suited for a contemporary aesthetic, however sightlines are not the only reason that bonded glass could be used on a project. Security An advantage of bonded glazing is that it offers a more secure glass fixing technique. The glass unit is chemically adhered to the outer frame, meaning that it simply cannot be removed. Beaded glazing must be done from the inside to ensure the glazing beads cannot be removed by a potential intruder who could then remove the glass unit. You may see the phrases ‘internally beaded’ used to describe aluminum windows and doors. This is what they are referring to. Lead times Bonded glass or bonded glass systems will have a slightly longer lead time to typical beaded systems. This is due to a few different factors. One factor is that when bonding glass you must use a silicone sealed glass unit. These units have a longer lead time from manufacturers as they are more specialist units, the silicone seal takes longer to apply and cure. When the glass unit is made you have to allow time for the glass unit to be bonded to the frame. With beaded glazing there are shorter lead times as there is no curing necessary. The materials used for bonded glazing are easier to source which also contributes to shorter lead times. Glass Replacement Due to the strength of a bonded glass unit it is impossible to remove a piece of glass from the frame without damaging one or the other. If a unit of bonded glass needs to be replaced it is likely that the frame will also need replacing too. For example, if you needed to replace a unit of glass within one of our Sieger aluminium slim sliding doors we would also need to replace part of the outer frame of the siding unit (not the entire outer frame). Another factor to consider in your glass replacement plan is that bonded systems tend to be large units of glass. That means specialist glass lifting equipment may be required to remove and replace glass if it is classed as overweight. Beaded systems tend to be easier to replace. First, because beaded systems tend to use smaller, lighter pieces of glass so replacements can be done by hand. Another reason is that, with beaded glazing the glazing beads can be removed from inside the building, the glass removed, replaced and the beads put back with minimal disruption. Silicone as a bonding agent Structurally bonded glazing uses silicone as the bonding agent. Using silicone has many benefits, it can withstand more extreme temperatures and is more water resistant than many other sealants. Even in products where the glass is not bonded to the frame and instead has a bead locking in in place, if the unit is double or triple glazed there needs to be something round the edge of the glass to join the pieces together to seal and weatherproof the unit. Some companies use butyl or hot wax to seal the edge of the glass and prevent water and condensation getting in between the glass panes however both come with issues. Neither butyl or hot wax sealants have the same level of water resistance or thermal performance as...


- Categories: Tech advice
- Tags: Advice Posts, floor glazing, frameless balustrade, glass floor, low iron glass, Technical Article

What is Low Iron Glass? Low iron glass is glass that is specially manufactured to have a lower iron oxide content. Standard ‘clear’ glass is not completely clear, it has a slight green tint due to the presence of iron oxide. The tint is not usually noticeable, however it can become noticeable in thicker panes of glass, when multiple panes are layered together or on an exposed glass edge. Projects that require these kinds of glazing units would benefit from low iron glass to avoid discoloration. When glass is manufactured there are a variety of materials and impurities that are present. The natural presence of iron oxide in glass comes from elements such as sand or from the container in which the glass was melted. Low iron glass is also useful when two different glass specifications are being used in the same installation. If a thicker glass pane is next to a thinner one there will be a slight difference in colour. A solution for this issue is to use low iron glass for the thicker glass elements but not the thinner ones, giving them the same level of clarity for a consistent look. Just like float glass, low iron glass can be toughened, laminated and designed with different finishes such as sandblasting. Low Iron Glass for glass floors Glass floors need thick, toughened and laminated glass to be able to provide the structural support needed to allow people to walk on it. This means they tend to have at least three pieces of toughened glass laminated together, possibly more depending on the desired insulation. Sieger’s Thermally Broken Floorlight is engineered for heavy pedestrian traffic, using three pieces of toughened glass laminated together for the external pane and two for the internal pane. If the glass is going to be sandblasted for a slip-resistant finish, then low iron may be the better choice. When normal glass is sandblasted the green tint becomes more obvious but when Low Iron Glass is sandblasted it becomes a white frosted surface. There are other ways to make a glass floorlight slip-resistant, such as ceramic frit or specialist anti-slip glass if you do not want low iron glass or a green tint. Low Iron Glass for balustrades Balustrades used in balcony settings are made from at least two layers of toughened glass laminated together to be able to withstand the required line load. Although this may not be as thick as other pieces of structural glass such as glass walls, when using units such as The Sieger Balustrade System the edges are visible. The green tint in standard glass is more noticeable on exposed edges, if the balustrade or balcony is frameless some may want to opt for low iron glass in their design. Low Iron Glass for beams and fins For support on horizontal glass units, glass beams can be used, and for support on vertical glass units, glass fins can be used for support. These beams and fins are usually the thickest glass element in the installation, made using multiple layers of toughened and laminated glass to ensure they can withstand the required load. Glass beams may be used to support The Sieger Rooflight System if multiple panes are being used next to each other. The multi-laminated pane sits below the glass joint to support the inner side. When using decorative interlayers such as a coloured interlayer, low iron glass may be chosen to produce a truer representation of the chosen colour. This applies particularly if the colour is light, neutral or pastel coloured, where a very slight green tint could skew the colour. From an internal perspective, low iron glass can achieve light transmission values of up to 91% making it the clearest building material available. Changing a glass specification from clear glass to low iron glass will increase the cost. This increase is due to the additional processes that are needed during the manufacturing process. For more information contact our technical team or book a showroom visit where you can discuss your project in person and see the Sieger systems. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Aluminium front door, Contemporary Entrance Door, Grosvenor Entrance Door, Rural Entrance Door, Technical Article

Entrance doors provide advanced functionality and security. Being one of the first things that any visitor will focus on, they are a key design feature in defining the exterior of a property. Entrance doors can speak volumes about your home and choosing the right one is critical. There are many factors to consider when designing an entrance door such as glazing, security, colour and base material. This article will touch on a few of the main factors to consider when choosing a front door. Glazing options Adding integrated glazed panels into an entrance door greatly helps to brighten up dark hallways. These can be configured in many ways, from the shape to the number or positioning of the panels.   Triple glazing is standard for Sieger Entrance Doors, combined with aluminium’s high thermal performance this allows for larger glass panes without risking loss of heat. Sieger have a side variety of glazing options available for entrance doors including horizontal glass panes, square tiles, a single panel and a double arch. Door size Historically, front doors took up the most minimal space possible to reduce heat loss. However, the introduction of techniques such as thermally broken frames, thermal cores and increased use of materials with an exceptionally strong thermal performance such as aluminium or triple glazed glass, has allowed far larger doors to be installed with minimal heat loss from the house. For an impressive entrance, doors of up to 2. 4m tall and 1. 2m wide can be incorporated into the final look of a home’s entranceway. Base material and colour An entrance door is one of the key features of the exterior aesthetic of a house, selecting an appropriate colour is a decision not to be taken lightly. For aluminium doors such as the Sieger Grosvenor range, a much wider range of colours is typically available. As opposed to traditional painted doors, aluminium doors are coloured using a technique called powder coating, which allows the buyer to select a colour from the several hundred included in the RAL spectrum. Another thing to consider when choosing the base material of your entrance door is the environment, aluminium is 100% recyclable and also has high thermal insulation, resulting in aluminium being an environmentally friendly door. Maintenance is another factor to consider when choosing the door’s base material. Aluminium doors require considerably less maintenance than uPVC and timber doors and doesn’t rust, unlike steel. Security It’s not only about the aesthetics of the design that you need to consider – a key component of your front door should be security. Designs using multiple internal locking bolts are becoming increasingly common, as are unconventional locking methods that deviate away from a standard key, including key cards and biometric locks that scan fingerprints and use face recognition.  Sieger entrance doors come with 10-point locking bolts integrated in the door as standard, making it significantly more secure than traditional doors with only one or two bolt systems. Choosing ironmongery Once the right door has been designed, the finishing touches such as letterboxes, door handles and knockers can make or break the overall feel. Sieger offers a wide range of ironmongery defined by three classes: contemporary, classic and heritage. Any door accessories can be matched with any of our entrance doors, helping to create a bespoke door that represents your home. The base colour and material for an entrance door should reflect three main factors; the overall style of the property, the surrounding landscape or cityscape and the materials used to build the rest of the property. The overall style of the property All properties have their own unique personality and style, something that needs to be considered when choosing a front door. This spans a huge spectrum, whether it be a minimalist, contemporary look with a clean angular profile or a historical aesthetic with defining characteristics pertaining to the era in which it was built. The surrounding landscape or cityscape Properties in rural areas might want to use materials that link the design with the surrounding nature such as stone or timber, alternately the designer may choose to create a contrast with a more modern glass look. Sieger have front doors specially created for certain aesthetics, such as the cottage style rural doors and the contemporary entrance door range. The materials used to build the rest of the property Aluminium front doors may be chosen to match existing aluminium windows. For homes that utilise large glass elevations, you might want to consider a block aluminium door that creates a solid contrast against the rest of the light-filled structure. You need to know that the company you are buying from can give you expert advice on entrance doors and more, as experts in aluminium and glazing Sieger can offer this. Get in touch with our team today if you have any questions or to get a quote at sales@siegersystems. co. uk.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, external glazing, frameless balustrade, glass balustrade, internal glazing, low iron glass

Frameless glass balustrades can be used for private and public spaces, both indoors and outdoors. Using balustrades on external balconies or terraced areas offers a contemporary minimal finish to building with no obstruction of the view. Having them in line with windows maximizes light entering the property. Balustrades can also be used along interior staircases and for internal level changes to create the illusion of more space, and it doesn’t obstruct light flow between internal spaces. Many companies sell ‘glass balustrades’ but it is important that you understand what you are getting when choosing a glass balustrade. Is your supplier providing you with the right solution? What Glass Specification is being Used? Glass balustrades should be made from toughened laminated glass. This is required for building regulations and to satisfy the load and safety requirements of a balustrade. All Sieger Balustrades include toughened glass that is also laminated as standard. The glass in Sieger’s balustrades is either 8+8mm TXD or 10+10mm TXD depending on your line load requirements and budget. Is the glass frameless? Using posts and chunky handrails is a cheap way to create a glass balustrade.  The Sieger Balustrade is frameless. Thanks to our glass specifications no handrail is needed at the top. No posts are needed between panes and the base fixing can be completely hidden by the building finishes. Is the balustrade inside or outside? Sieger’s interior glass balustrades are laminated with PVB. Exterior Balustrades are either laminated with PVB and have a capping, or they are laminated with SGP which is a strong ionoplast interlayer. Clear or low iron glass? Sieger balustrades are available with both.  Low Iron Glass is more expensive however it has a much clearer glass structure with no green tint visible through the glass. This means thick units of this glass can be layered together for use in structural glass assemblies and maintain the clear nature of glass. What finishes are available for the fixings? If the fixing is left exposed, our channels can be finished in any RAL colour. Sieger also offers a matching continuous head capping if it is desired. Many companies just offer one colour or stainless steel which may not suit the design of some projects. What is the line load performance of the Sieger balustrade? The Sieger Balustrade System has been tested for line loads up to 3kN which makes it suitable for use in private and public spaces. For more information contact our technical team or book a showroom visit where you can discuss your project in person and see the Sieger systems. To talk to the team, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium framed glass door, interior glazing, internal doors, internal glass door, internal glazing, internal pivot door, Sieger Internal Glass Doors, Steel Look Glazing, steel look internal glass door

Choosing the right internal glass door for your project can greatly change the design and feel of an interior space. With a rise in the popularity of broken-plan living spaces aluminium framed glass doors are fast becoming a popular choice to separate living areas whilst offering the appearance of an open-plan space. Internal doors made from glass have the unique advantage over other internal door systems, being transparent they are able to offer an open plan feel but with the ability to segregate areas of a building. With advances in interior glazing, interior glass doors can now be designed with a range of configurations and specifications to meet any needs. Read on to find out about the various design options available for your project. Bespoke Design Aluminium framed internal glass doors come with a range of finishes and glazing options. The metal framing can be finished in simple monochrome colours (such as black and white) for a classic internal design but can also be finished with any RAL colour. Further design flexibility is offered with a range of specialist finishes, such as metallic silvers and bronze colours. The glass itself within these interior doors can be bespoke as well. Clear glass is often the preferred design choice for a seamless interior design. However, tinted glass, decorative interlayers or smokey glass are all popular design options. Privacy can be achieved through the use of translucent glass or more traditional reeded/fluted glass designs. When it comes to interior glazing you really want the glass doors to be a complementary part of the interior scheme. All frame finishes, handles and glass colours can be specified to suit the design. Slim Lightweight Frames Aluminium framed internal doors have a lightweight design. They are lighter than both steel and timber internal doors making visual connections between rooms more fluid. The metal door frames can be made extremely slim (from just 18mm) which helps to maximise light flow between rooms. Integrating internal glass doors into projects creates a natural flow between interior spaces and helps to make these spaces appear brighter and more spacious. Maintenance and Durability A huge advantage of aluminium-framed doors is that they do not rust and are resistant to corrosion and decay, making them extremely low maintenance. The more traditional wooden interior doors need to be repainted, resealed or varnished frequently. This means aluminium-framed doors will look new for years to come. This ability to withstand various environments means that these metal-framed internal doors are very well suited for internal pool, bathroom or home spa areas with high moisture or chemical content in the atmosphere. Timber or steel internal doors cannot be used in these areas due to their inability to withstand these environments. Metal framed interior doors are normally finished with a PPC in the RAL colour of the designer's choice which is extremely hard wearing and lasts for years, without any need for touch-ups or regular maintenance (unlike traditional timber doors). Steel Look Designs Steel internal doors are extremely popular in interior design. The classic metal framed style is timeless and offers interiors and immediate sense of high design and luxury. However, steel internal doors have inherent issues with cost, longevity, and weight. By incorporating glazing bars across the face of your aluminium-framed internal door you can create the appearance of a steel door without any of the technical drawbacks. The glazing bars can be applied to the metal doors in any design required. Configurations The MIRO internal glass door from Sieger is available in a range of opening types. This includes pivoting, hinged, sliding and bifolding. Fixed partitions are also possible for a full interior glass design. If you are interested in using the MIRO internal glass doors on your project, please get in touch with the team. They are available on a supply only basis or with installation from one of our exclusive glazing partners.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium windows, high performance window, Tilt and Turn Window, window specifications

It’s critical for any building project to have the right windows as they affect the overall feel of the building, the security and the safety of those inside. There are many specifications used to evaluate the performance of a window including its thermal performance, acoustic insulation and wind load. These product performance elements need expert specification as it is critical that the windows are in full compliance with building regulations which are often complex. Some glaziers with low performing windows will quote the Ug value as the overall U value to deceive customers into thinking the system is more insulated than it is. This means it is important to make a distinction between the Uw and Ug value to ensure you know what ‘U Value’ your glazier is quoting. As experts in glazing, Sieger® can supply up to date data on all of our aluminium windows regarding these specifications. Information such as thermal insulation, weather protection, security and pictures can all be found on our product pages and on the downloadable product sheets. To assist architects with NBS specifications Sieger® have created individual NBS specification sheets for each Sieger® system product. These documents contain all the vital information needed for specification. If you would like one of our draft NBS specifications just ask your sales contact at Sieger®. Sieger® Legacy Window Our Sieger® Legacy Window are designed with timeless steel-look framing and are perfect for replacing existing steel windows in renovations or creating an elegant glazing design on new builds. Glazing bars on this product are bespoke and optional meaning the window can be designed to fit any type of building project, whether it be traditional or contemporary. All Sieger window systems pass the security standard of PAS 24, ensuring the security of them. Full weather protection testing has been conducted on this product with fantastic results including class 4 for air permeability. The Legacy Window also has a full thermal break and insulated glass ensuring a high thermal performance. Sieger® 70 Window If a more contemporary design is what you’re after then our Sieger® 70 Window has a clean and minimal aluminium frame with subtle handle and hinge options which are concealed within the sash, providing a modern aesthetic to the glazing design. The Sieger® 70 Window has been designed to be able to meet complex architectural and industrial designs. We also offer multiple frame finishes for this window including timber effect PPC and dual colour. These large clear glass windows maximise the natural light entering the interior living space. All windows also come in a range of sizes and designs for our windows allowing architects to achieve the design they want without compromise.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium door, Bifold Doors, external glazing, steel look bifold, Steel Look Glazing

Achieving a steel look system without the price tag has never been easier. With the increase for industrial style door systems and art deco themed homes, Sieger has reacted to the demand and continued to develop our steel look systems to the highest performances and specifications. Here we will explore the advantages of using aluminium to achieve steel like results. Due to its ability to be recycled infinitely to create the same product, aluminium is the most recyclable industrial metal. One of the key advantage’s aluminium has over steel is its resistance to corrosion. Steel often has chromium added as an agent to prevent corrosion, whereas aluminium has a natural resistance mainly due to its passivation layer. This resistance to corrosion ensures that our aluminium framed bifolds are suitable for multiple climates, regardless of external weather factors. As a result of its environmental benefits, steel look bifolds are the frequently chosen product in the specification stage of a project. As the material is considered so versatile, architects often opt for aluminium as they know what they can achieve with its versatility. Aluminum framework can be finished in a selection of ways, including applying a polyester powder coating. This method is the most popular as the RAL colour chart is so broad, this also offers the ability to match your steel look bifolds to existing window or door frames, creating a cohesive finish. Steel is significantly heavier than aluminum, making it harder to manufacture, transfer and install. With a lighter material such as aluminum, less regulations are in place during the fabrication, transporting and handling process’, making for an easier installation or supply process. The lightweight door system also allows ease of use when sliding the systems to one side to reveal a completely open aperture. The Sieger range of bifolding doors has a variety of ironmongery and handle options to choose from, offering the flexibility to fit any interior/exterior design. Aluminum is renowned for being low maintenance, once your installation is complete the level of care and cleaning will be minimal in comparison to other construction materials. When choosing a steel look door system, thermal performance is an important factor in most cases, more so depending on the location of the door. Most bifolding doors are external hence the thermal performance must pass certain regulations and standards set by building regulations. All Sieger bifolding door systems have high thermal performances, surpassing the standards. Ensuring your system surpasses the recommended standards is key for home improvement as it helps to enhance a property value. In years to come, these regulations will increase as the standard becomes better. Being ahead in this way guarantees that value will remain, making your steel look systems long-wearing and good value. This is also useful when considering commercial use properties, as the increase in value helps properties to sell or lease. Incorporating a steel look system is a brilliant way to expand usable space and follow an indoor-outdoor style of living. Having a bifolding door granting garden access grants the ability to seamlessly merge the indoor and outdoor environments when the weather permits. To get in touch with us about our steel look systems or if you have any questions, simply email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: Advice Posts, aluminium bifold doors, best bifold doors, Bifold Doors, corner opening, open plan living

It’s well known among the construction and glazing industry that aluminium doors are one of the best options. Timber is another popular base material for bifolds and some manufacturers even offer the possibility of a hybrid of materials which consists of aluminium on the outside and timber for the internal face. There are many things to consider when looking at bifolding doors such as size, base material, glazing options and configurations. In this technical article we will explain the different specifications of bifolding doors, why aluminium should be your first choice and how to choose the best aluminium bifolding door option. Which bifolding doors are best for my project? Sieger aluminium bifolding door systems can be designed to fit any project as they come in a variety of sizes, colours and configurations. If the project requires the slimmest sightlines, then the Sieger Lux Bifold Door is going to trump other bifolds on the market, as this product is the slimmest bifold in the world. This door can contain up to 14 sashes with each sash measuring a maximum size of 1. 2m wide x 3m high and has extremely slim sightlines of only 30mm. Some bifolding doors such as the Sieger 120 Bifold and Sieger Legacy Bifold come with the option for triple glazing. When deciding which glazing option is best for your project consider what level of thermal and acoustic performance you want to achieve and the difference in lead times between double and triple glazed bifold door. Corner bifolds are also an option to be considered. All Sieger bifolding door systems can be designed in a corner configuration, however not every property is able to have them. If it is possible, corner bifolds allow for a seamless indoor/outdoor living area with huge amounts of natural light being able to enter the property. If the rest of the property has a more traditional aesthetic, there is the option of industrial style bifold doors wich have glazing bars for a steel look finish. These types of doors are a great choice for replacing existing steel framed doors or to match with steel or steel look windows. All Sieger Bifolding Door systems are available with the option of horizontal glazing bars to achieve a steel look aesthetic. Sieger’s Legacy Bifold would be the best suited for projects that require an industrial style, steel-look bifold due to thicker sightlines. Where should I buy my bifolding doors? One of the most important aspects of choosing the best bi folding door is the reliability of the product, which comes down to the quality of the manufacture and the precision of the installation. Therefore, who manufactures and installs the bifolding door is one of the most important things to consider. It’s important to choose a quality installer as well as a quality product so finding the right installation team and product are a combination that will serve you well. Choosing the best bifolding door but a bad installer will cause delays which could cause a rise in costs. With any quality glazing company or fabricator, you will see several ‘peace of mind’ features, such as an extensive range of colours, PAS24 certified security or Secured By Design certification, multi-point locking and durable handles. Choosing a company that fabricate their own systems is something to look out for when trying to find the best bifold door. Some quality companies will even allow you to see the manufacture process, and even let you see your projects being manufactured after you’ve placed your order with them. At the Sieger Aluminium Factory, the team provide factory visits where your team can see the glazing products being manufactured. Other factors to consider when choosing a bifolding door The features and benefits of different bifolding doors is another factor that determines the best bi fold door. Among construction professionals, there are many differing reasons about what makes the best bifolding door. Location of the door is another factor which some may want to consider. Bifolding doors tend to be used as kitchen and patio doors however with a rise in popularity some projects include them internally. The best bifolding door will vary between projects as each project will have different requirements and desired aesthetics. After product considerations comes the supplier and installer of the product. Importantly for the end user, the best bifolding door is also measured by the price, guarantees, aesthetics and of course confidence in the company they’re building the product from. The supply chain for the product is something that shouldn’t be overlooked. The product is only as good as its installation and manufacture. So, it’s best to conduct in-depth research to find the best-rated supplier and installation team for bifolding doors. Another key factor to look out for is a supplier that also provides installation.  A supplier that also has an installation team is recommended because the supplier will be familiar with the manufacture of...


- Categories: Tech advice
- Tags: Advice Posts, Bifold Doors

Have you ever wished that you could achieve the minimal sightlines that you can with sliding doors? Well, the search is over. The new Sieger Lux bifolding door is the slimmest bifold on the market with profile widths of only 30mm! This is the latest advancement in bifolding door systems, designed to push the boundaries of modern architecture. With this slim bifold door, you can fill large apertures (as there isn’t a maximum number of panes) for impressive elevations of glazing. The exceptionally slim frames offer minimal visual interruption, so are ideal for indoor – outdoor living concepts. One of the main features that make this system unique is the structurally bonded glazing that allows the frames to be so slim. The structurally bonded glass in these bifolding doors can be manufactured to a thickness of 32mm which creates a high performing system when combined with the fully thermally broken frames. What are the main specifications of the Sieger Lux Bifold? The slim framed bifold is available in either inward or opening configurations and can be bi-parting or with a pocket door. It’s also available in a corner opening configuration, but with this configuration the bifolds need to be inward opening on a concave corner and outward opening on a convex corner. Available up to 3m tall this bifolding door is the finishing touch to any contemporary architectural design. Each leaf has a maximum width of 1. 2m but there isn’t a maximum number of panes that can be installed, therefore the doors can stretch across exceptionally wide apertures. During the warmer months the doors can be completely folded to one side to remove the barrier between the indoor and outdoor spaces. Not only is this bifold the slimmest in the world but it also provides outstanding thermal performance that is competitive for such a minimalistic frame. The Sieger Lux bifold has an air permeability Class 4, water tightness class 7A to 9A and a Uw value from 1. 6 W/m²K.  Looking for the world’s tallest bifolding door? Not only does Sieger have the slimmest bifolding door but they also have the worlds tallest bifold. The Sieger Super Lux bifold door is the tallest bifold on the market that reaches an impressive 5m height. Thanks to the stabilising wind post that has been installed between the frames of each pane, the ultra slim bifolding door has been upgraded to achieve heights from 3m – 5m. For more information on bifolding doors and which one is best for your project, check out our technical advice article on the best bifolding doors. The Sieger lux bifolding door is installed at the Sieger glazing showroom in Amersham. It’s installed in a 3 pane configuration reaching its maximum height of 3m tall. You can view the bifold in the showroom by booking an appointment, simply contact us to arrange your visit. Find out more about the Sieger Super Lux bifold here.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Contemporary Entrance Door, Grosvenor Entrance Door, Rural Entrance Door, Technical Article

The entrance door of a building is the first thing that many see and are often viewable from the street or passing roads. It is therefore important that the aluminium entrance door of a building is chosen in consideration with the building’s design and the surrounding environment. Aluminium Entrance Doors are widely considered to be superior to alternative material options. Aluminium front doors can be designed to capture the more traditional appearance of timber doors but have enhanced performance in security, insulation and durability. The right aluminium front door for each design will depend on the design of the building, the location of the building and the surrounding environment or architecture. Our range of aluminium entrance doors range from traditional (the Grosvenor Range) to contemporary (the Contemporary Range). All the entrance door designs all have unique qualities and come in a variety of specialist finishes to suit a range of requirements. For a Contemporary Design The Contemporary Range of Sieger Entrance Doors are all designed with straight lines, square glass cut outs and minimalist ironmongery. Available in a wide range of colour finishes – including modern matt PPC colours or textured metallic finishes – these doors work very well on modern building designs. With maximum sizes up to 2. 4m tall and maximum widths at 1. 2m, architects and designers can use these modern door designs to push the boundaries. If a larger entrance area is required to be filled the aluminium door can be integrated into a larger glass façade or can be designed with glass side panels or over lights. The Sieger Entrance doors are ‘structurally bonded’ which means the aluminium door design is bonded to an A+ thermal core. This minimises sightlines and visual interruptions on the door face which you would get with a cheaper ‘inset’ or ‘panelled’ aluminium door design. In addition, as the hinges on all the Sieger Entrance Doors are hidden this further helps the ‘modern’ design by minimising visible ironmongery. For a Traditional Door Design Not all properties would suit a very modern entrance door design. Sometimes this is dictated by the buildings’ architecture or sometimes it is dictated by the conversation or planning rules of the surrounding area. Either way, it is still possible to create a more traditional door design whilst maintaining all the advantages that an aluminium door will provide. The Grosvenor Door Range from Sieger has been designed with those luxury London townhouse houses in mind. Each door design incudes bevelled decorative door panels with glass inserts in a range of styles or sizes. With a wide choice of door finishes possible, you can opt for a coloured door or more muted metallic or grey finish, whichever works best with the building design. To compliment this more traditional range of aluminium entrance doors we also have a range of Classic ironmongery which includes door knockers and knobs instead of a more contemporary pull handle system. For a more traditional look, the Heritage Ironmongery range could work well with their textured metallic finishes and blackened shades, they pay homage to historical buildings. For a Cottage-Style Door Design Rural properties and cottages have their own charm and design characteristics. As such Sieger have developed a range of entrance doors that suit these countryside properties.  The Rural Door Range from Sieger mirrors the quirky classic style of countryside cottages. Each door design has a minimal, yet characterful design moulded into the aluminium face. You could also opt for a small vision panel in the door in a square, diamond or rectangular shape. The Rural Range of entrance doors works well with any of the ironmongery families, including the contemporary or classic range. The doors are available in the full range of finishes which include the bright vibrant finishes in our Bright colour range. Advantages of an Aluminium Entrance Door Choosing an entrance door made from aluminium means you benefit from a low maintenance exterior finish to the front door. Aluminium is notorious for being easy to clean and look after. This means aluminium has an advantage over materials such as timber. With an integrated thermal core, the aluminium front doors from Sieger also have the advantage of impressive thermal performance. We typically expect Uw values of 1. 3 W/m2K using glass with Ug values of 0. 9-1. 1 W/m2K. Even if you do opt for a more traditional design to the door, you still benefit from the modern security aspects of the aluminium Sieger door. All locking mechanisms are stainless steel and each integrated locking cylinder is an ISEO R7 cylinder with anti-pumping technology and 10-point locking. All keys are laser cut with a bespoke cross grove structure. Thanks to the completely sealed and structurally bonded door construction all hinges and locking instruments are completely protected which is part of what allows these doors to achieve the impressive...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Aluminium frames

When designing a new build house, window systems are amongst the most important factors to determine a build’s aesthetic. After bricks and mortar, doors and windows are also one of the first things about a building to be selected, making the specification process a key part of designs. For something that plays such an integral role in a buildings structure as well as aesthetic, there is a common misconception is that a designer may have to choose between structure and aesthetic.  Sieger systems offer environmentally friendly, bespoke systems that are tailored to meet a projects individual needs and uncompromising on aesthetic. Environmental & Sustainability Factors Aluminium is the most recyclable industrial metal, making it more sustainable and environmental as a building material than its competing materials. Sieger window systems are thermally broken, which means they have high thermal performances for use throughout residential new builds. Having a home with a high thermal performance can generate savings on energy bills and is also a large contributor to value when selling a property, now that green status is so highly regarded. Sieger systems exceed the national requirements for their thermal performance, so as those requirements increase, new builds featuring Sieger systems won’t be in danger of falling beneath the radar. Bespoke designs All Sieger systems can be made bespoke to fit with unusual designs and spaces like this one which required triangular, asymmetrical glazing. Various configurations can be specified at the design process and collaboratively worked on with Sieger to determine the best outcomes for various new build layouts. One factor to be taken into consideration when specifying a window configuration is ventilation, this will vary depending on the room and location of the window, such as being close to a kitchen stove. Sieger systems can accommodate double-storey heights for a striking look, often used to seamlessly blend the gap between indoor and outdoor living, maximising use of garden spaces.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Bifold Doors

This article will outline how to make an informed decision on whether triple or double glazing is right for your bifold doors. This will also affect which of the Sieger bifold doors you can choose. There are a multitude of factors that would impact which glazing option is right for bifolding doors, including location of the home and location of the doors within the property. The two models of Sieger bifolding doors that are offered with triple glazing are the Sieger 120 Bifold and the Sieger Legacy Bifold. Although the cost of product and the lead time will increase if triple glazing is selected, there is added value which could negate these factors and may be more important to your project needs, particularly for home extensions where it is imperative for a comfortable/liveable climate to be achieved. If increased lead times and added cost are taken into consideration prior to selection, your project deadlines and budget can be achieved with triple glazed specification. Thermal and Accoustic Performance will be affected One of the factors to consider during the specification process is the thermal and acoustic performance of the glass. The glazing option for bifold doors will be a contributor to the overall thermal efficiency of the room. The minimum Uw Value set by the British Building Regulations for bifolding doors is 1. 6w/m2k, all Sieger bifolds surpass this value whether double or triple glazing is used. The acoustic performance of the glass would be dependant on where the property is located and how important noise is to the specific project. The Sieger triple glazed bifolding doors do offer a better Rw value, while acoustic sound reduction glass can also be used in conjunction with bifolding doors. Depending on the location, having a good thermal and acoustic performance rating on your bifold doors will be an important factor. These are often the factors that equate to year-round use of a space, with a comfortable temperature in the winter months ranking high on a project’s priorities. Triple glazing is a commonly used option with a glass box extension.  In an urban area, acoustic performance would be an appropriate detail to add value to an extension. Maximising the Amount of Light If free flowing, uninterrupted light is your priority, opt for double glazed Sieger Lux Bifolds. The slimmest sightlines for a Sieger door with triple glazing is the Sieger XL Sliding Door. The specification of a glazing unit directly impacts the maximum size due to weight restrictions of the system. This may result in a 4 paned bifold door instead of 3, including more visible framework. However, in comparison to timber or uPVC framed doors, the sightlines in aluminium framed triple glazing are still unrivalled. Impact on Leadtimes One of the main reasons for increased costs and lead times on a project with a triple glazed bifold is the maximum load weight for transferring and installation of the glass. Triple glazed units are heavier, there is 50% more glass than a double glazed unit, this may mean an increased number of trips for vans or could require the use of a crane for installation. For more information or if you’re still unsure which option your bifolding doors require, speak to an expert on 01494 722880.


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Aluminium frames

Period properties are full of character and their original features are one of the main reasons why buyers choose them over new builds. With period homes, it can often take a lot of time to work out which products, materials, finishes and styles are allowed by the planning permission board at the local council, to turn a vision into a reality. But after overcoming these hurdles the end result is undoubtably rewarding. The biggest challenges with period properties often comes when making changes or alterations to the original features of the property. The original features are charming, but with age comes wear and tear and there always comes a time when they need to be repaired or replaced with a suitable alternative.  Aluminium windows are a popular choice for replacement glazing on heritage properties, keep reading to find out why. The style of the replacement aluminium windows and doors Sieger® systems are designed with a clean, minimalistic and sophisticated style that provide a non-obtrusive finish that suits almost any property, whether that’s a heritage property or a modern new build. In terms of appearance, Sieger® have several window and door products to achieve either a contemporary style or a traditional heritage look. The Sieger Legacy range Sieger® have taken inspiration from traditional steel framed windows and doors, with criss cross glazing bars, for the Sieger® Legacy range. Using aluminium, Sieger® designed this range to achieve the traditional aesthetic but at a lower price point, with enhanced performance and faster lead times.  The legacy range offers a timeless design that has a full thermal break and hold double glazed units to provide exceptional thermal performance within the property. They are available in many configurations, so when the Sieger Legacy range is used to replace existing glazing on a period property they can be manufactured to the same configuration as the original glazing. The Sieger Legacy range is manufactured bespoke; therefore, the arrangement of the glazing bars can be designed to match any glazing bars that were on the existing glazing, or to create a new bespoke design; they can even be designed without glazing bars. Contemporary aluminium glazing systems Sieger also have a range of contemporary glazing systems, including the award-winning Sieger slim casement window. This window is a modernised version of a traditional timber window that has been developed to create a greater glass to frame ratio, more practical weather protection and a longer life span.  This window can be side hung, top hung or fixed, with double glazing as standard. This slim aluminium window has a square edge detail on both the frame and glazing bead to maintain a minimalistic profile, making the opening look large and clean. As with the Sieger Legacy system, the Sieger slim casements can be finished in any RAL colour, timber effect PPC, anodised or dual colour. The timber effect finish is excellent for projects that are looking to maintain a traditional timber window aesthetic. The Sieger 70 Window is another suitable option for replacement glazing as the flush finish of the opening window means that the sash sits neatly inside the window frame without any overlapping frames which are often synonymous with aluminium windows. This window has a hidden tilt and turn opening which can fill large openings to increase the level of light within period properties. Security performance and integral strength Aluminium became one of the most popular building materials after its unique qualities were discovered during the industrial revolution. Aluminium is an incredibly strong metal that is light weight and fairly easy to extrude. This means that it’s a great material for window and door frames as the sightlines can be slim without compromising on security or performance; in fact, the Sieger slim casement windows have exceptional sightlines of just 66mm and are PAS 24 certified. With Sieger systems you can find glazing products that replicate the existing glazing of a property to maintain the original theme while bringing a new lease of life. It is also said that the locking mechanisms of aluminium framed windows are preferred by insurance companies as they tend to be more secure than timber windows. Sieger frames are available in a huge selection of colours Sieger are able to manufacture their systems in a wide selection of colours and finishes, including over 200 standard RAL. If planning permission states that the frame finishes need to be in keeping with the original glazing, normally a match can be achieved by it is best to check this with the technical team at Sieger while discussing your project with them. Dan Bear, Sieger Factory Director, advises “For a period property the colour should be carefully considered as some period properties require planning permission, therefore it’s best to ensure it meets the requirements on the planning permission before we start the manufacture process. Usually, any replacement windows or doors...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Bifold Doors

Bifold doors were historically used in kitchens, as patio doors or as part of an extension, but internal glass doors have become increasingly popular in recent years. They can be a great way to introduce a path of natural light into living spaces.  The Sieger bifold doors are designed to be external doors, which means they boast high levels of energy efficiency. All models are also designed to withstand extreme weather conditions and are totally secure, so you can be sure of the quality regardless of the chosen location. Seamlessly blending the gap between interior and exterior living is something Sieger have a proven track record of doing, equally those expertise can be used to create the perfect bifolding door solutions for blending a kitchen and dining area if the project wanted internal doors like this one. This advice article will provide basic knowledge of bifold door options and outline the things to remember when incorporating our doors into a project. Patio Doors Kitchen doors are usually external doors facing out towards a garden or view, this draws the eye and can create the illusion of an open plan, spacious area even in smaller kitchens.  Sliding or French doors are also frequently used options in kitchens yet bifolding doors offer a more modern style and unrivalled space efficiency.  Unlike sliding or French doors, a bifolding door has the advantage of leaving a completely open aperture when the doors are folded to one side. Things to remember with kitchen doors that are bifolding: To optimise the amount of natural light you invite in, favour styles that have large amounts of glass and slim sightlines. The Sieger Lux Bifold, being the slimmest bifold in the world, can offer sightlines of just 30mm. Sieger produce doors in a variety of colours as well as styles, meaning you can match your doors with your existing or planned kitchen interior. Bifold Patio Doors Bifold doors in patios are often used to update existing doors and refresh a patio area. This can bring a whole new look to a patio as bifolding doors offer the advantage of being able to integrate both inside and outside. The lack of maintenance associated with aluminium doors alongside the high energy efficiency levels of glass make these optimum materials for keeping the cold out in the colder months. This is key for patio doors to ensure the temperature throughout the room is comfortable all year round. Things to remember for bifold patio doors: You will have to decide on a material to best suit your needs and fit with the existing design. With many houses now striving for a greener environmental status, aluminium is a great choice, read more about the environmental advantages of aluminium here. Opting for triple glazing boasts economical advantages but the glazing options are also impacted by location, for example a property in close proximity to the sea would require triple glazing. Depending on geographical location the glass would need to be designed to withstand different weathers or flooding.  The IQ flush threshold drain system is designed and installed to accompany any of the Sieger bifolding doors, leaving a seamless finish. Another important factor is the direction of the bifolding doors, determining which end of the patio would be most convenient for the doors to stack. Extension Doors The doors are often a focal point for a new extension design, bifolding doors can make a statement and bring a modern décor theme to any extension type. Using doors to merge the old with the new when planning an extension is best achieved with aluminium as it is so versatile, blending brick work with glass for a seamless finish. Things to remember in bifold extension doors: Be sure to consider the size of the entire extension when choosing bifolding doors as this is the biggest decider in how many panels the space can withstand. To achieve a minimally obstructed view you need a space big enough for larger glass panes to let the natural light flow through. The windows and doors will play a big part in how big the space feels and looks as well as the physical size, the amount of glass in the design will determine the aesthetic of the extension. Often when the floor space is limited for an extension, opting for floor to ceiling glass doors gives a more luxury feel.   Interior Doors With ‘broken plan’ living becoming such a trend in 2020 architecture, it’s no surprise the Sieger bifolding doors are amongst those most popular for internal use. Broken plan is not dissimilar to open plan but adds the option of dividing space when required. Using bifolding doors inside as room partitions is an ultra modern way of achieving this, granting privacy whilst allowing natural light to pass freely. In addition to adding a modern touch, a window on one side of a living space paired with a bifolding glass...


- Categories: Tech advice, Home advice
- Tags: Advice Posts, Aluminium, Recyclable materials

Aluminium: The Most Recyclable Industrial Metal The common myth in the construction world is that aluminium is not environmentally friendly, however with such a heavy focus on the environment in recent years there is now extensive research to show otherwise. Although there has been 1 billion tons of aluminium produced over the last 100 years, a huge 75% of this remains in use today. We now know the majority of metals are naturally occurring and highly recyclable. In the context of construction metal materials are often associated with machinery or heavy industrial structures and this creates the assumption of a negative environmental impact. In fact, aluminium is one of the most environmentally friendly metals on earth, which is part of what makes this metal the most abundant metal element in the earth’s crust. Not only that but aluminium can be recycled infinitely to create the exact same product. What are the other advantages of using aluminium?   Adding to the environmental value is the fact that aluminium is corrosion resistant. This eliminates the need to replace corroded or damaged metals, reducing installation revisits and material wastage. This factor is trusted and put into practice by the Empire State Building, much of which is made of aluminium. The Empire State Building was the first architectural construction that used aluminium for such major structures. The metals strength, flexibility to accommodate complex configurations and corrosion resistance made it the leading option for the 1930 construction. It is now increasingly common for skyscrapers to swap steel window frames for aluminium, favouring the thermally efficient option. Leadership in Energy and Environmental Design (LEED), one of the most widely recognised environmental building rating system in the world, endorses aluminium. The building certification programs help residential properties qualify as healthy, efficient, cost saving ‘green’ buildings. There are a number of contributing factors that determine how a property ranks with LEED, materials used is a large contributor and aluminium helps buildings qualify for LEED’s green building status.  What are the colour options when choosing an aluminium design? As well as having thermal efficiency on its side, aluminium presents a broad range of colour flexibility. Due to the colour and robust design being able to withstand more complicated structures than other materials, architects use aluminium for maximum creativity resources.  Polyester powder coating, the most popular frame finish for aluminium, doesn’t harm the environment as the process does not involve harmful pollutants being released into the air. For these reasons, the carefully engineered high performing aluminium bifold doors, sliding doors and contemporary roof glazing systems, thanks to their slim aluminium thermally broken frames. Speak to one of our sales team today on 01494 722 880 to find out more info on aluminium and its environmental benefits.


- Categories: Tech advice, Home advice
- Tags: architects, Bifold Doors, concertina doors, specifiers, specifying

Aluminium is the second most frequently used metal in construction after steel and is used for a range of sectors within the construction industry. There are a broad range of materials available that are suitable for application in construction, and when architects are designing a project there are many options to consider. Aluminium grew in popularity in the early-20th century, within the construction industry, when it became widely used for decorative detailing and Art Deco architecture. In the mid-1900’s the Empire State Building was completed which utilised architectural aluminium for much of its interior structures and its distinctive spire. This breakthrough propelled aluminium to become one of the most commonly used materials in architecture. It began to be used for roofing, aluminium flashings, spandrels and aluminium windows and doors. What are the most common materials used in architecture? Modern architecture has been transformed over the years due to the industrialisation of many materials, metals and construction techniques. In response to these abundant materials, traditional architecture with its intricate detailing was shunted to one side, paving the way for sleek and minimalistic architectural designs. The most popular materials in architecture are concrete, brick, steel, glass, aluminium, stone and wood. One of the most important choices when it comes to architects choosing which materials to use is the desired emotions that they want the viewer to feel when observing their design in physical form. Selecting the right materials is key to successful architecture as different materials offer a different emotion; for example, wood can offer a warm feeling of comfort whereas concrete can create a cold and pronounced presence within its environment. What are the main advantages of using aluminium in construction? Aluminium is a non-ferrous metal (a metal that does not contain iron) and is available in abundance once extracted. Architects, developers and main contractors choose aluminium for use in construction as they know exactly what they can achieve with this versatile material. It possesses outstanding strength and durability that are required to meet modern standards in sophisticated, contemporary architecture. There are many advantages of using aluminium in construction, that are beneficial for renovations as well as new builds. There are countless advantages to using aluminium in modern architecture but here are the main advantages: Aluminium is available in a wide range of colours. Aluminium can be finished using several techniques including Polyester Powder Coating (PPC) which comes with an abundant selection of RAL colours. For renovation projects, this method of finishing is advantageous because the RAL colour chart usually offers a colour match to existing framework to create a cohesive finish to the architectural design. Aluminium has a long lifespan and is maintenance friendly. The components of aluminium stops damage from UV rays and moisture and the metal doesn’t rust or weather from harsh environments. This impressive durability means that it’s smooth finish doesn’t require regular maintenance, unlike wood. Aluminium is an excellent material for architectural applications as it’s an environmentally friendly and ecologically responsible. It’s a fully recyclable metal which is easily renewable to reduce waste metal. Aluminium is one of the best insulators for both temperature and acoustic insulation. Aluminium has an outstanding thermal insulation factor and can insulate against both heat and cold, resulting in impressive energy efficiency in aluminium windows and doors. The insulating properties of this metal is the perfect accompaniment for soundproof glass to create an aluminium framed soundproof window to reduce noise pollution within urban buildings. Unlike steel, aluminium is a lightweight material which makes it easy to fabricate and apply. It’s strength to weight ratio is like no other metal which makes aluminium a popular choice, especially for construction projects with difficult accessibility. Aluminium is a malleable metal enabling it to be formed into many shapes and profiles. Aluminium is commonly used for cladding, pressings and flashing because it can be manufactured to large sizes and therefore requires fewer joints and makes installation very time-efficient – which is always welcomed in the construction industry. What are the differences between aluminium and uPVC windows and doors? When considering the options for glazing there are many pros and cons of different frame materials that need to be thought through. One of the main questions people ask when choosing windows is ‘what is the difference between aluminium windows and doors compared to uPVC? ’. Here are the main differences: UPVC glazing is very easy and quick to maintain, the frames can be cleaned with just a damp cloth to make them look almost new. These frames are lightweight which means they can be easily installed and quickly. The frames of uPVC offer good insulation and most companies offer a guarantee between 5-10 years. Similar to uPVC, aluminium windows and doors offer easy maintenance due to their durable, smooth finish. Aluminium is also a lightweight material which results...


- Categories: Tech advice, Home advice
- Tags: Aluminium, Bifold Doors, Slim Sliding Doors, Technical Article

Aluminium windows and doors are at a higher price point than conventional uPVC, which can sometimes sway the choice of homeowners looking to save a few pennies in the short term. Timber frame windows and doors are also a popular choice to achieve a traditional aesthetic in residential architecture. However, uPVC and timber windows do come with the demand for regular maintenance to keep them in excellent condition and prevent excessive wear. Timber and uPVC windows and doors are vulnerable to warp and damaged by the wet weather climate we have in the UK. Once these glazing systems become slightly worn, they can deteriorate very quickly; therefore, it’s required that they are maintained on a regular basis. The maintenance of timber-framed glazing includes repainting the frames on a yearly or bi-yearly basis to prevent rot and damage from excessive heat and sunlight. On the other hand, aluminium is a very strong and durable material that has many benefits when used in glazing systems. Due to the strength of aluminium, the frames for aluminium windows and doors can be manufactured to beautifully slim designs, meaning the occupants can benefit from a greater area of glass for improved light ingress. The powder-coated finish (PPC) on aluminium provides a highly durable finish to the surface of the window or door which enables aluminium to maintain a sophisticated aesthetic for decades. The only maintenance required is an occasional clean to remove any debris that may have built up on the surface during wet and windy conditions. Why are aluminium windows and doors so strong? The chemical composition of aluminium and how it is manufactured gives aluminium its integral strength. During the manufacturing process, aluminium is combined with various alloys and atoms to strengthen the original material even more. The strength of aluminium means that window frames can be manufactured to a broad range of configurations and bespoke shapes. If your architectural design has non-conventional window shapes, aluminium frames are the perfect choice to fill these openings as they will provide the same thermal performance as traditional shape windows. The stronger the frame material, the more glass is possible for the opening. uPVC and timber-framed windows have relatively thick frames and therefore have less glass which means the light ingress and views outdoors aren’t as great as aluminium windows. The strength of aluminium also means that the windows can be manufactured to large sizes to accommodate larger glass panes and therefore less framing material is required overall. Timber framed glazing systems can be highly desirable due to the natural aesthetic they provide; however, it is possible to finish aluminium frames with a timber look polyester powder coat.  Aluminium window frames can be finished in a selection of realistic wood-grain effects ranging from natural oak tones through to dark walnut and mahogany aesthetics. This is a great alternative to real timber windows as the same look can be achieved but will all the benefits of aluminium’s high performance and low maintenance requirements. Aluminium window frames come in an extensive range of finishes and colours; therefore, if the new aluminium glazing systems need to match existing window frames (for example if a new extension is being built and the glazing is desired to match existing systems) there will be a finish that matches the existing glazing even if the existing frames are timber or uPVC. The maintenance of window systems varies depending on the material they are manufactured from. Although solid hardwood windows can look incredibly elegant and beautiful, they require a high level of maintenance to remain in good condition both aesthetically and operationally. Even though uPVC frames often come with a lengthy guarantee and at a low price point, they a likely to look tired after a few years of exposure to the UK climate. Even though aluminium is more costly than uPVC, it is definitely worth it based on the longevity and thermal performance properties of this frame material.


- Categories: Home advice, Tech advice

A very common question from architects and specifiers is “How long do aluminium windows last? ” Normally, aluminium framing for doors and windows is considered the most durable and long-lasting frame material available in modern housing design. Aluminium framing is largely maintenance-free. Powder coating technology now used on aluminium windows and doors completely coats the metal framing in a polyester colour, protecting the metal frame from the external environment. Life Expectancy of up to 45 years! Aluminium windows and doors are expected to have a life expectancy of 45 years, compared with uPVC frames which have a life expectancy of only 25-35 years depending on the level of maintenance given to the windows or doors. Although hardwood timber windows may last and maintain high thermal performance for a long time their main downside, as discussed in a previous post Aluminium Windows vs Timber, is maintenance. Aluminium window frames require very little maintenance with intermittent cleaning and perhaps oiling of the window ironmongery required over time. When cleaning the windows no specialist cleaning substances, treatments or techniques are required making aluminium frames extremely easy to maintain over their lifetime. Aluminium Windows and Doors in Marine Environments  Any aluminium windows or doors installed in a marine environment should also have a marine-grade coating applied to further protect the metal frames from the more corrosive environment that is associated with seaside locations. As thermally broken aluminium profiles are resistant to expansion they are the perfect framing material for windows and doors in very damp environments or elevations of a building that will be under high exposure to sunlight as they won’t expand or deform over time.


- Categories: Home advice, Tech advice
- Tags: Advice Posts, aluminium glazing, cost effective glazing, slim framed aluminium glazing, slim sliders, Technical Article

Many residential projects such as home extensions or new build homes have a tight budget to stick to. This means it is important to find ways to reduce costs in any areas. Slim framed glazing such as windows, doors and rooflights are something that can take up quite a significant amount of a projects budget. Glazing systems are not something that should be sacrificed when cuts need to be made as they can affect the overall performance of the building as well as the look of a home’s exterior and interior living spaces. They are also valuable tools when looking to reduce money spent on bills and increase a homes energy efficiency. The influx of natural light provided by the glazing systems can alter the feel of internal living spaces and make spaces appear bigger. This being said, there are certain ways to bring the costs of slim framed aluminium glazing down, this article will outline these options and explain how to specify them. Glass Specification Specifying glazing with extra coatings such as solar control or low maintenance will increase the cost of the system. If you are working on a tight budget opting to not have any of these coatings off will help to keep costs down. Double glazed external aluminium glazing systems are cheaper than triple glazed, although the increased thermal performance of triple glazing can help to save money on heating bills in the long run. Low iron glass is another glazing option Sieger offer where the glass is specially engineered to be as clear as possible with no slight tint like standard glass has. Due to the complicated manufacturing process this incurs extra costs. It is important to discuss with your architect and glazier to see which option is better for you. Factors such as size of the system, location and the homes overall energy efficiency will all have an effect. Size of the glazing system will be the main decider in cost, the bigger the glazing solutions the higher in cost it will be, so opting for a smaller structural opening during the building process can help to reduce costs. Framing Material Frame material is another huge factor to consider when specifying cost effective slim framed glazing. Aluminium is lower in cost than steel, and if you prefer the look of steel framed glazing, the Siegers Legacy Range has aluminium windows, doors and a flush conservation rooflight that have all been designed to mimic the look of traditional steel glazing systems. Aluminium framing has a range of finishing options from polyester powder coating, to anodising or a timber effect finish. Many slim framed aluminium glazing systems will have standard finishes available, usually a polyester powder coating in a select range of colours at no extra cost, with the option to pay more for alternative or special finishes. To keep costs down, choosing from the standard finishing options will prevent incurring extra costs. Initial vs Long Term Costs When it comes to looking at costs for slim framed glazing systems it is important to not only think about initial costs, but also costs over time. For example, aluminium may cost more than uPVC initially, but over time aluminium requires less maintenance costs and tends to last longer, meaning it won’t need to be replaced as frequently as uPVC glazing systems. As slim aluminium frames don’t need special cleaning or maintenance products, over time the money and time saved on maintaining the glazing system makes our aluminium systems a cost effective solution for slim framed glazing. Aluminium framed glazing systems also have higher thermal performances than uPVC or timber glazing, meaning over time choosing aluminium glazing can help to reduce bills costs. By selecting energy efficient glazing, this helps to reduce the need for heating within the home, as there is less heat loss through the glazing. Our technical team are on hand to ensure you choose the right glazing for your project.


- Categories: Tech advice, Home advice
- Tags: architects, Bifold Doors, concertina doors, specifiers, specifying

Sieger Systems offer completely bespoke aluminium glazing systems that are fabricated for the specific openings they are desired for and in the finish chosen to suit the architectural design. With bifolding doors from Sieger, it isn’t the case that you can measure the openings, come and visit us and expect to take home your bifolding doors on that day. Due to the bespoke nature of our glazing systems we will create the CAD designs of the system which shows the exact glazing specification, size, ironmongery and frame finishes to then fabricate the system. During the design stage we will visit the site to conduct a site survey which will provide our Sieger fabrication facility with the precise measurements for the systems. Prior to specifying bifolding doors on your architectural project there are a few things to consider. To help with this process, we have put together some key points to keep in mind and some frequently asked questions. How much do Sieger bifold doors cost? Bifolding doors from Sieger vary in price as they are manufactured bespoke to each project and therefore the glazing specification and configuration differ from project to project. However, we are able to provide approximate costs for the Sieger bifolding door systems, they are the following: Sieger 120 Bifold Door | £750 per m2* Sieger Lux Bifold Door | £1,000 per m2* Sieger Super Lux Bifold Door | £1,250 per m2* *All systems from Sieger are manufactured bespoke for each project to meet the exact measurements required for each project, therefore prices will vary from project to project. What are the differences between these bifolding doors? There are two main differences between the aluminium bifolding doors from Sieger, these include the sightlines between each pane and also the maximum sizes of the bifolding doors. With Sieger bifolds the mantra of ‘one size fits all’ just doesn’t apply. Each bifold is manufactured bespoke to each opening, therefore the opening determines the size of the bifolding doors. However, if you are designing a new build and want a size to maximise focus on the glazing, then knowing maximum sizes is advantageous. Sieger boast the tallest bifolding doors on the market, measuring a maximum height of 5 metres. These 5m tall bifolds are a unique design that allows architects and specifiers to create impressive elevations of bifolding glass. The maximum sizes for the Sieger bifolding doors are as follows: Sieger 120 Bifold Door | 1200mm wide x 3000mm tall* Sieger Lux Bifold Door | 1200mm wide x 3000mm tall* Sieger Super Lux Bifold Door | 1200mm wide x 5000mm tall* *Per pane Each Sieger bifolding door offers different size sightlines, some slimmer that others but at different price points. Modern architectural glazing developments are seeing sightlines becoming slimmer and slimmer to create beautifully elegant and contemporary systems. The sightlines of each Sieger bifolding door is different: Sieger 120 Bifold Door | 120mm Sieger Lux Bifold Door | 74mm Sieger Super Lux Bifold Door | 144mm Can glazing bars be included within a bifolding door design? For architectural designs that are looking to create an industrial style aesthetic, the Sieger bifolding doors can be manufactured with additional glazing bars to create this design. These glazing bars are either true or applied glazing bars with dummy spacer bars to give the appearance of traditional art deco style glazing. Do architects prefer siding doors or bifolding doors? There are pros and cons to both systems and it really comes down to personal preference and the desired aesthetic achieved by the glazing and the opening. Generally, architects prefer sliding doors due to the slim sightlines achievable with sliding door systems however it really depends on the project. Bifolding doors are recommended on projects that have small openings because bifold doors will maximise the use of this space as the panes stack neatly to one side of the opening to reveal a completely open aperture. Whereas, if sliding doors were installed within small openings, they would take up a large portion of the opening which would restrict the connection to the outdoors. Most modern sliding doors have minimal framing, resulting in a ‘more glass, less frame’ design which is more desirable among contemporary architecture. Many architects tend to go for sliding doors over bifolds as there’s too much frame with bifolding doors, but actually bifolding doors can be relatively slim framed with a large glass to frame ratio. The large widths that the bifolding door panes can be manufactured to creates a large expanse of glass per pane. Can any building have opening corner bifolds? This depends on the opening and Sieger always ask to review the opening beforehand. The steel/ supports and the corner configuration need to be to be assessed before we confirm that the corner opening design is possible. One of the main issues with corner opening bifolds is the need to calculate...


- Categories: Tech advice

Choosing doors and glazing systems is a big decision no matter where you live. However, properties in certain locations need to pay an extra level of attention to the performance values of the systems as properties in exposed locations need extra thought. If a property is exposed to harsh weather conditions then the glazing system for this needs to be able to withstand these conditions, therefore it is a good idea to speak to a glazing specialist to ensure the glazing is designed for the conditions of the specific property. Glazed doors, whether they are aluminium sliding doors or aluminium bi-folding doors offer an outstanding connection with the outside environment. This connection can help to enhance the highly sought-after indoor-outdoor living design, however, it’s not just the aesthetic qualities that need to be considered. These glazing systems need to protect the property’s interior from the weather, especially the harsh effects that can be caused by wind and rain. Properties that are located near the coast, on a hill or on a plain with very few surrounding trees are significantly exposed to the elements. Within these locations, the wind speeds can reach great strengths as there aren’t any obstacles or surrounding buildings to break the force of the wind. Due to the wind speeds within these plots, it’s imperative that the glazing being chosen for the project is carefully investigated to see how well it performs under the wind speeds present in the location of the property. Which glass doors should I choose? When choosing your glass doors, you want them to be both low maintenance and efficient, both in terms of their aesthetics and how well they do at protecting properties from the elements. Every aluminium glass door on the market undergoes extensive testing for air permeability and water-tightness by an independent company, these test results are measured in Pascals and can be readily available for you to view, just ask a member of the Sieger team. Within the glazing industry, there are strict guidelines in place to ensure that products meet good thermal performance, therefore aluminium patio doors, bifold doors and entrance doors are all designed and manufactured within the guidelines. Wind loading requirements are subject to the location of the project and need to be considered on a project by project basis. Some glazing systems simply aren’t suitable for exposed locations due to the level of weather-tightness they offer. Therefore, it’s highly recommended that the wind loading requirement is presented to the glazing specialists who can then advise you on the best glazing system for the project. Why is wind loading important to consider when specifying glass doors? Wind load is an important consideration for doors, particularly if you are going to have large panels of sliding glass units. The natural elements can have a big impact on the size of the glazed door and the opening configurations that are possible. The force of the wind can generate enough pressure to damage architectural glazing, therefore, it is important that framed glazing systems have enough strength to stand against these forces. Sieger will work with the measurements provided by the architect or engineer to design the sliding doors to the wind load requirements, however, the chosen system needs to be able to initially meet the wind load requirements. If you are looking for glazed doors for exposed properties, then speak to a member of the team who will be able to advise you on the best products for your system, call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice

What are Trickle Vents? All buildings have to be ventilated in order to maintain the health and well-being of everyone using them. There are two kinds of ventilation: background and rapid. Background ventilation can be provided by trickle ventilators and rapid ventilation by opening the window. The need for background ventilation depends upon the building and how it is currently being ventilated. If space is not well ventilated then it can lead to condensation build-up within a room which, if left, can lead to the spread of potentially harmful mould spores. Trickle vents are small openings on the head frame of a window or door that allow a small amount of air to pass from the interior of the property to the exterior and vice versa. This gives the benefit of fresh air inside without having to open any windows or doors. Current Building Regulations Part F state that it is only mandatory to install trickle ventilators within a replacement window if there was a trickle ventilator within the preexisting window. This is so buildings that were originally designed to have background ventilation continue to do so. Removing such vents could lead to serious problems with condensation and air flow within a building. Trickle vents can make a property more secure as they reduce the need to leave windows open for ventilation. Their installation footprint does not enable intrusion into a property. If a property is in a noisy area where having open windows allows the sound to travel inside, trickle vents can also help to reduce the impact of noise.   Building Regulations Part F Explained Building Regulations Part F governs the rules for ventilation in new buildings and extensions and can be quite complex, but below are some basic rules to follow: All replacement windows, where the existing windows being removed currently have trickle vents, are required to include trickle ventilation to the same ventilation rates. When windows are being installed as part of an extension building project the overall ventilation rates of the building must not be regatively affected. Ventilation regulations only apply to conservatory additions if they are over 30m2 in floor area. New build homes must comply with the building regulation requirements for ventilation through a building as detailed in Part F documents. Historical and Listed Properties When work is being done to a listed building then a balance between historical building conservation and ventilation must be considered. In these cases, it is best to take the advice of your local planning conservation officer. Sieger® Systems are able to incorporate minimal trickle vents into our slim framed aluminium casement windows to provide the required ventilation. Always consult with building regulations or your architect for the requirement for your building or design project.


- Categories: Tech advice
- Tags: Advice Posts, air permeability, aluminium glazing, Technical Article, weather rating, wind load

Weather performance testing assesses if windows and doors meet the requirements set out by British or European Standards. Glazing systems can be tested to prove their effectiveness as a barrier against weather including water tightness, air permeability and wind resistance. The windows and doors are then given a ‘class’ to indicate how they performed in each test. The BS 6375 series of standards includes testing pressure levels for air permeability, watertightness and wind resistance for external windows and doors. Book a showroom visit now... Air Permeability It is EN 12207 that tests windows and doors for air permeability. This is designed to test the amount of air that will travel through a glass elevation under pressure from elements such as wind. The test is in accordance with BS EN 1026 and the windows and doors to be tested are done so at a third party, accredited testing facility to ensure accurate ratings. Negative and positive air pressures are directed at each side of the system once it has been built into a testing unit. This method tries to both force air at the window from one side and suck air through the window from the ‘internal’ side. The resulting classes denote how much pressure the window or door was subjected to with acceptable air travel through the system. Windows and doors tested to Class 4 indicate a product that was tested with air pressures of 600 Pa in pressure. It is also a requirement of the Building Regulations in all regions of the UK that new homes are assessed for overall air leakage. Water Tightness Windows and doors are tested for their water tightness under EN 12208 and testing is carried out as per BS EN 1027. The window or door is installed within a testing rig and water is forced at the windows through water nozzles at differing pressures for lengthening periods of time, replicating rain. The objective of the test is to determine the watertightness of the windows and doors by applying a steady water spray test to the product and applying air pressure to the product which is increased every 5 minutes. The highest designated class is 9A which indicates the glazing system was unprotected and withstood 600 Pa of water pressure for 55 minutes. Classes 1-7 with a B sub-label indicate that the windows or doors were partially protect by a balustrade or similar. Wind Load The resistance to wind load is tested through EN 12210 in accordance with BS EN 12211, it is designed to test the wind load a window or door can withstand without serious deflection or damage. The resulting classes are broken into two elements; the number (1-5) which indicates the pressure of wind applied to the product and the letter (A-C) which indicates the amount of deflection accepted in the test. For example, a class 5 tested product has been tested with winds up to 2000 Pa pressure. The resistance to window load test includes a deflection test, a repeated pressure test and operational test, an air permeability test and finally a safety test. The Air Permeability Test is repeated after the Wind Load Test to assess the damage that may have occurred during this test. Did you know? Sieger Systems specialise in Structural Glass... In all of the above tests an ‘E’ results (such as E2400) indicates the tested product exceeded the defined testing method boundaries and testing was continued with increasing pressures. The number following E shows the pressure the window or door was tested to. If you have any other questions about glazing or Sieger Systems, don’t hesitate to get in touch with our team. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice

A contemporary glazed door system is one of the most sought-after features in modern properties to bathe the internal spaces with light and to create a strong connection between the property and garden.  Choosing the right bifolding door system is very important for both aesthetics and practicality to suit the architectural design and functional requirements of the occupants. Bifolding Doors are often the most ideal choice of system to enable the occupants to open up to 90% of the opening when all the bifold panes are stacked to one side – compared to sliding doors which have less framing but cannot be completely slid open and they usually have one fixed pane that the other sliding doors stack on top of. With bifolds, the doors are made from multiple panes that are opened by concertinaing them neatly together and sliding them to one side of the opening. Bifolding doors can often be designed to either stack internally or externally and can be designed in various configurations. Here are some things to consider when specifying bifolds: What are the standard sizes for bifold doors? The maximum pane sizes for bifolding doors varies depending on the system and the opening that it’s designed for. All bifold door systems from Sieger® are manufactured bespoke to each project to create the exact arrangement required for the architectural design. Sieger® has several bifolding door options including the Sieger® 120 Bifold, Sieger® Lux Bifold and the Sieger® Super Lux Bifold. The Sieger® 120 and Lux Bifolding Doors are all available with maximum certified pane sizes of 3m tall by 1. 2m wide. Although these bifolding doors have the same maximum pane sizes, they both have other unique qualities to consider including performance, drainage and sightlines. For exceptionally tall bifolding doors, the Sieger® Super Lux Bifold can reach up to 5m tall to achieve outstanding elevations of bifolding glass panes. The maximum sizes the Super Lux Bifolding Door can go is 1. 2m wide by 5m tall. With the Sieger® Lux Bifold and the Sieger® Super Lux Bifold, there isn’t a restriction to the number of panes that can be used within the design of the bifolding door arrangement, however, with the Sieger® 120 Bifold there is a maximum number of 14 sashes per installation. The Sieger® Bi-folding Doors can be designed as an inward or outward opening system with opening corners, bi-parting and can also have a pass door. To fill impressively wide openings, the Sieger® Lux is the most suitable product as there isn’t a restriction on the number of folding panes whereas with the Sieger® 120 Bifold there’s a maximum of 14 sashes. For wide openings that are also incredibly tall, the Sieger® Super Lux is the most suitable product as these tall bifolds can also be manufactured without a restriction on the number of panes. What are the sightlines of aluminium bifolding doors? The vertical profiles again vary from system to system with bifolding doors as they are all designed for different performance abilities and manufactured in different methods. Sieger® is able to offer the slimmest bifolding door on the market which provides a minimal sightline of only 74mm. This impressive system has structurally bonded glazing which helps to accentuate the minimalistic frame design. Each bifolding leaf of this system has a profile of just 30mm which combines to create the total vertical profile of just 74mm when the doors are closed. The second slimmest bifold from Sieger® is the Sieger® 120 Bifold with an overall sightline of just 120mm. The Super Lux Bifold Door has an overall sightline of 144mm, this is thicker than the standard Lux Bifold as this system had a stabilising wind post to provide additional support to the bifolding door due to the height it can go up to. How does the drainage work with bifolding doors? The Sieger® Lux and Sieger® Lux Bifolds are designed with an integrated drainage system as part of the base frame, whereby water can permeate through the track and down into a drainage system below. This design means that you don’t need to have a drain in front of the system for the water to run down into, it’s already hidden neatly below the base track. Can I add glazing bars to Sieger® Bifolds? All the Sieger® Bifolding Door systems are available with the option of horizontal glazing bars – to achieve traditional steel look aesthetic. For an all-over steel look bifold, the Legacy system has even more of an industrial style design. Due to the bespoke manufacture process of each bifolding door, the glazing bars can be designed with the desired number of horizontal glazing bars to meet the desired aesthetic of the project. The colour of the glazing bars can be designed with the same finish as the frame for a cohesive aesthetic. What configurations are available with Sieger® Bifolds? With the Sieger® Lux Bifold and the Sieger®...


- Categories: Home advice

Ionoplast interlayers for aluminium systems There are many glazing options for aluminium window and door systems including double glazing, triple glazing and laminated glass, all of which vary in the level of security they provide. Some people may jump to the conclusion that double glazing is strong enough for their project, however, this may not be the case due to safety factors and building regulations. Within the Building Regulations document N, there are requirements that need to be observed in order to maintain protection against potential glass breakages throughout both residential and commercial buildings. There are various locations within buildings that may be considered ‘critical’ in terms of the safety of the glazing system, this includes; the space between the finished floor level (FFL) and 800mm above that level on all internal and external walls including partitioning walls, in door or in side panels between FFL and 1500mm above this level. Within document N there are rules about safe breakages and how robust the glass unit is, this includes the way in which the glass breaks. A safe breakage is defined by the result the glass shows up during impact testing, therefore if glass breaks within a property it must be limited to creating only a small opening that is clear with limited detachable particles and no sharp or pointed edges to the glass. It is important to understand the types of glass available for glazing systems and how they vary. Float glass is a type of glass that was commonly used within glazing prior to the introduction of toughened and laminated glass. Float glass is still used within some double-glazed units however when these systems break due to impact, they will shatter into sharp-edged openings which are dangerous for the occupant. Toughened glass is a safer option as this shatters into many small rounded or cuboid-shaped pieces due to the stress lines created in the glass when it goes through a heat soaking process to enhance its strength. Laminated glass is one of the strongest forms of glass available for use within aluminium glazing systems. It is created using an Ionoplast material that is laminated between two or three panes of glass (depending on the desired glass specification for the glazing) to create a strong, bonded glass unit. Laminated glass is used to strengthen the glass units within aluminium glazing systems to ensure that building regulations are met and that the unit offers high levels of security, both to the occupant if a glass breakage were to occur but also security against a break-in What are the advantages of laminated glass? Due to the strength of the glass from the bonded interlayer(s) the time it takes to break through a glass pane is increased as when the glass is broken it is held together like a film (similar to how car windscreens break during road traffic collisions), this means that the thief will have to spend a longer amount of time trying to push the glass out of the aluminium framing, instead of being able to quickly knock all glass shards out of the frame like float glass. Laminated glass also helps to protect the occupants from injury in a safer way than toughened glass, this is because the shattered glass is held together by the Ionoplast interlayer rather than pieces of glass shattering into the internal rooms which therefore reduces the risk of injury. By using a high-performance Ionoplast interlayer, the thickness of the glass can usually be reduced, resulting in thinner and slimmer installations that wouldn’t be possible with standard toughened glass. Laminated glass is ideal for the Sieger® Balustrade system and if the glazing incurs a breakage the glazing will not shatter and spill over the floor, balcony or ground below as it will be held together by the interlayer and further supported by the handrail on this system. To discuss specifying a security interlayer within the glazing on your projects, speak to a member of the Sieger® team who will be able to provide you with further technical information and advice about your project.


- Categories: Tech advice

First choice for modern architectural design Aluminium windows are often the first choice for modern architectural design projects due to their integral strength and their ability to be manufactured with exceptionally slim frames for a super contemporary aesthetic. The aluminium window profiles come in a variety of designs to suit a range of architectural designs. Whether it’s large window openings or elegant slim frames, the aluminium window range from Sieger® Systems has an option for any project. The strength of aluminium creates window frames that can withstand all weather conditions with no expansion or contraction during frosts or when they are exposed to direct sunlight for lengthy periods of time. All Sieger® Systems are designed to achieve the appearance and performance of a premium system at a more accessible price point without compromising on quality. The award-winning Sieger® Casement Window is the most cost-effective window solution available from Sieger®. This system won in the ‘Best Windows’ category of the Build It Awards 2018. What do I need to consider when specifying aluminium windows? When specifying aluminium windows, it is important to know about thermal break technology, especially when specifying metal framed window systems. Thermal breaks are a very important aspect of the make up of an aluminium window, the polyamide thermal break dissects the internal and external frames to avoid cold bridging and therefore stops condensation build up and thus results in a thermally insulated solution. Which window configuration and frame finish should I have? With the Sieger® Systems there are many configurations available. The configurations best suited for each window on a project depends greatly on various aspects of each architectural design including the size of the window, the intended design, the ventilation requirements and the floor level that the window is situated on. The Sieger® Systems are available with several standard RAL colour finishes that the Sieger® fabrication factory keep in stock, however, there are also various specialist finishes available that can be applied to the aluminium frames at an additional cost. Therefore, the price of the glazing system can vary depending on the frame finish desired for the project. Sieger® have a choice of styles to create either a minimalistic, contemporary aesthetic or a sophisticated Bauhaus inspired steel-look design. The Sieger® Legacy range of glazing systems are a great example of a cost-effective solution for a style that is traditionally manufactured from steel and therefore an expensive option. Both of these designs are available to view in the Sieger® showroom, simply call the team to view them in person. What is the typical cost of an aluminium window from Sieger®? Typically, Sieger® Aluminium windows on average cost approximately £550 per m2, however, this is greatly determined by the desired size of the system, whether any specialist frame finishes are desired and the glazing specification etc. For a more accurate cost the team would need to know the rough sizes of the openings for the window, whether any specialist glazing finishes are going to be specified (e. g solar control glass) and the location of the project (if we are going to complete the installation as well as the design and manufacture of the system). To receive a quotation from the team simply email the above information about the project to sales@siegersystems. co. uk. Alternatively, if you would like to see the aluminium window systems in person first and discuss the project with a member of the team simply call us on 01494 722 882 and a one-to-one showroom appointment will be arranged.


- Categories: Tech advice

Bridging the Divide Slim sliding glass doors from Sieger® are an excellent method of bridging the divide between the internal and external living spaces while also increasing natural light within properties. The sliding doors from Sieger® come with beautifully slim aluminium framing to create a contemporary aesthetic that enhances the architectural design of properties. Slim sliding doors from Sieger® are the most minimal way to integrate an opening element into the architectural design. The Sieger Slim Sliding Door boasts impressive minimal sightlines of only 20mm and the framework surrounding the system is designed to be hidden within the finishes of the walls and ceiling to create a super contemporary aesthetic. These slim sliding doors can be manufactured to very large sizes to achieve wide open apertures. The doors can be designed in a choice of configurations including pocket and corner opening designs. Features of Sieger Slim Sliding Doors The slim sliding doors from Sieger® are all bottom hung, therefore when specifying aluminium slim sliding doors it is important to consider our integrated drainage detail and requirements below Finished Floor Level (FFL). For example, 110mm and a solid concrete upstand will be required for installation. One main feature of the Sieger® sliding doors is the flexibility in design for the opening corner design, this system doesn’t require a corner post or chunky framework to support the corner opening design and therefore provides a beautifully minimalistic look to properties. With the Sieger® Slim Sliding Door, it is possible to achieve a completely flush threshold detail which is provided as a standard finish. These modern sliding doors create a seamless transition between indoor and outdoor living environments to help connect the two living areas. Contact Us Sliding doors are the perfect glazing system for large openings leading out onto outdoor space such as patio areas, terraces and gardens. If you would like to specify a slim sliding door from Sieger, speak to a member of the team who will be able to offer advice regarding your specific project. To speak to the team either email sales@siegersystems. co. uk or call 01494 722 880.


- Categories: Tech advice

What is Fluted Glass? Fluted glass is identifiable by its vertical grooves. It is sometimes referred to as ribbed or textured glass and is highly popular among architects and interior designers looking to add texture to a living space whilst diffusing light and adding an element of privacy. It is one of the latest interior design trends within both residential and commercial properties. This decorative glass is crafted with smooth vertical patterns providing an elegant combination of visibility and privacy. The linear curves create the illusion of smooth flowing streams of water especially in clear glass, offering a sense of clarity that benefits any room. The fluted structure of this decorative glass enables light to dance from flute to flute for a luxurious and sophisticated aesthetic. Fluted glass solves the problem of creating privacy while still maintaining light and airy interior spaces, it is ideal for internal rooms where the desire for space and privacy meet. The fluted glass delicately distorts the view through the glass pane while allowing light to stream through, perfect for bathrooms, offices or spaces where a slight element of privacy is desired. Book a showroom visit now... How can fluted glass work with my interior design? When paired with aluminium frames fluted glass creates a unique interior design with a New York studio apartment style.  Internal aluminium windows and door systems with fluted glass are becoming a design trend within the UK as homeowners across the country are trying to make the most of the sun light within their homes. For a good few years, the way of achieving this has been up open-up the living spaces, by removing walls and installing floor-to-ceiling windows, to create open-plan rooms that allow day light to continuously flow throughout the property. However, there are alternative ways of increasing the influx of natural light within the home whilst maintaining a level of privacy. There are various internal glazing systems that retain an open plan design such as sliding doors with a pocket door integration to open or close off a section of a living space when desired. Internal sliding or bi-folding aluminium door systems can be manufactured either completely filled with fluted glass for total privacy or the fluted glass can just be installed in central vertical panels for a slightly obscured view. These internal systems are ideal to temporarily divide a kitchen off from a kitchen/dining/living area or for home offices. How can fluted glass be used in a commercial setting? To commercial buildings, internal aluminium screen systems can be designed with a choice of either a full wall of fluted glass or central panels for a touch of privacy. Fluted glass can also be used within external aluminium glazing systems, the texture of the glass diffuses the harsh glares of direct sunlight to create a soft, warm glow resulting in comfortable board rooms and meeting areas. Did you know? Sieger Systems are experts in Structural Glass... Can fluted glass only be used internally? Fluted glass can be used for a wide selection of both internal and external Sieger® Systems for residential and commercial properties. As the aluminium frames can be finished in any standard RAL colour, they can be designed to match existing glazing systems or to create the required finish for the property and match the interior and exterior aesthetic. Sieger® have a range of external systems including steel-look replacement glazing systems (the Sieger® Legacy range) to create a traditional industrial style aesthetic to the external facade of the property. This Art Deco style system along with Sieger sliding doors, casement windows and doors, bifolding doors are all available to view within our UK showroom based at the Sky House Design Centre in Amersham, Buckinghamshire.


- Categories: Tech advice

Sieger® offers a full in-house service with dedicated departments to overlook each stage of your project. Before placing an order with a glazing company, it is always good to understand the journey your glazing order will go through. We have put together the following guide to explain the process from obtaining a quotation through to design and installation. Keep reading to find out about each step your project will go through with Sieger®. How do I request an initial quote for Sieger® Aluminium Glazing? Whether you’re an Architect, Homeowner or a Builder / Developer, in order for our estimators to create a quotation for your project we ask for you to send us some information about your project via email. The information we ask for is as follows: The location of the project (including the postcode and first line of the address) The sizes for the required glazing The particular system or style of glazing desired (steel-look glazing) Any performance requirements for the project Any up-to-date architectural drawings The best email and telephone number to contact you on If you have architectural drawings, we ask for you to send a copy of these to us which highlights the glazing elements you would like us to quote for, from these drawings we are able to clearly visualise the scope of works required for the project. Being able to visualise the project ensures that we are all on the same page when it comes to the glazing design and requirements. If you do not have architectural drawings, then a hand sketch of the project is equally as useful if it clearly shows which areas of glazing you are looking to use Sieger® Systems for. All of the above information ensures that we fully understand the project and from this, we can swiftly provide you with an accurate quotation. Can I talk to the technical team before quotation and do you have a showroom? If you would like to talk through your project prior to quotation our technical team are happy to discuss your project at our glazing showroom located in Amersham. Here you can sit down with a member of the team, over a cup of tea, and run through the project in detail. Our technical team can offer advice on the best systems to use for each glazing element and show you each system in person, simply contact us to arrange a 1-2-1 appointment. Within the showroom at Sky House Design Centre, there are full-size Sieger® products on display to provide you with a true representation of how these systems would look in situ. If you are looking for quick advice or indicative costings, in most cases we are able to provide broad costs over the phone (usually based on per metre square sizes), but due to the bespoke nature of each glazing systems, we recommend having a quotation calculated based on the rough sizes of each opening. Our technical advisors are available Monday-Friday to answer any questions you may have. Do Sieger® provide a full end-to-end service? Sieger® provides a full in-house service that includes design, supply and installation. Within the quotations from Sieger®, we include costs for these services. When we look over the architectural drawings, we take into consideration whether any specialist lifting equipment is required, site surveys and warranties etc, which are then included within the quote. Our quotations include this information in order to provide you with a cost for the full project so you are completely aware of what to budget for and that no additional costs will crop up later down the line. When will I hear from the Sales Team? When we receive the project information, our estimators create your unique quotation which a member of the sales team will send to you via email and will call you to follow up the quotation to make sure it has been received. Your project is passed to a member of the sales team who is your point of contact during the quotation stage. How do I place the order? When you are sent your quotation from the sales team, an order confirmation form is also included within the email for you to complete, when you are ready to place the order. Simply complete this order form and return it back to the contact who originally sent the form. What happens once I have placed the order? Once the order has been completed and returned, our sales team will collate all the information an details about your project and will hand this to the contracts team. An invoice will be generated for the order deposit and will be sent to you, once this has been paid your project is sent to the design department to begin detailed design. Your project will then be assigned a...


- Categories: Tech advice

Aluminium frames from Sieger can be coated in a range of standard RAL colours as well as specialist finishes to create the desired design for each individual project. This enables each aluminium system to be tailored towards the design of the project to complement the building’s aesthetics. Timber frames for glazing are widely used on both new and existing buildings to achieve a traditional aesthetic which is classically seen on many period properties. Like aluminium frames, timber frames can be finished in a range of colours, however, the timber frames require regular maintenance to apply top-up coats of paint or wood stains to protect the frames from wood rot and water damage. The main downside to timber framed glazing systems is in the amount of maintenance they require, however, another downside could be in the limitations of frame size as timber frames need to be a certain size in order to support the weight of the glass within the system. Aluminium is a modern solution for the frames of glazing systems, the strength of the aluminium allows for sleeker appearance to the frames as slim frames are achievable. Aluminium is a highly desirable frame material due to its durability, ease of maintenance and installation. Just like timber frames, the aluminium frames can be finished in a whole choice of RAL colours and specialist finishes, which are applied as a polyester powder coat. Once these PPC colours are applied the aluminium is protected from rust and most weathering, which results in a little to no maintenance being required throughout the lifetime of the frame systems. If timber is the desired appearance but the performance and low maintenance is a key element within the design of the property then a sublimation coating can be applied to the aluminium frame – sublimation coatings create a timber look effect to the framing. For further information about the choices of sublimation, finishes speak to a member of the team who will be able to offer further information about these timber effect finishes. Timber replacement glazing can be designed to match existing areas of glazing that are not being replaced on a property. For example, if a property was undergoing an extension and the homeowners wanted to keep the glazing on the existing areas of the property and install new glazing to the extension, the Sieger Systems can be manufactured to provide a close colour match to the existing glazing. Sieger Systems are available in a whole host of finishes including brown/colour matched PPC (Polyester Powder Coating) for a dark timber look, whilst a white PPC can be applied to the aluminium to match existing white framed glazing systems. Previously, the disadvantages of aluminium frames were in its thermal performance values, but due to the advancement of polyamide technology, these systems have come on leaps and bounds and now provide outstanding levels of thermal performance. To specify Sieger on your project, speak to a member of the team who will be able to provide you with technical information and a quotation for your project. Call 01494 722 882 or email sales@siegersystems. co. uk


- Categories: Tech advice, Home advice
- Tags: aluminium sliding doors, sliding patio doors, Slim Sliding Doors, slimline aluminium sliding doors, Technical Article

Price comparison for the Sieger® Sliding Doors There are several Sieger® sliding doors available from Sieger® Systems all offering high levels of thermal performance and a modern aesthetic. Each sliding door is fabricated by hand, bespoke to each project to create a unique design specific to the project in hand. Sieger® have three sliding doors to choose from, the Sieger® 45, Sieger® Slim and the Sieger® Slim XL: Sieger® 45 Sliding Door  The Sieger® 45 sliding glass door gets its name from the thin 45mm vertical frame that is achieved with this sliding door system. This sophisticated aluminium sliding door system can hold panes of glass with a thickness of up to 28mm, with a maximum panel weight of 200kg. These sliding glass doors have been thoroughly tested for performance including weather resistance and security. The aluminium frames are fully thermally broken and create a well-insulated door system suitable for use as a rear sliding door, balcony door or roof terrace access door. The sightline between each sliding pane is 45mm and the surrounding outer frame is stronger to create a beautifully wide apertures. The cost of a Sieger® 45 sliding door is approx. £550m2.  to supply, however the cost will vary depending on the glass specification and installation costs will vary based on the location of the project. https://www. youtube. com/embed/S-JwwhSioXQ Sieger® Slim Sliding Door The Sieger® Slim sliding door offers modern design qualities resulting in a luxurious indoor-outdoor living aesthetic. The Sieger® Slim system has a slightly thinner vertical sightline which creates a minimalistic frame finish with minimal interruption to the surrounding views. This sliding door system offers a completely flush threshold to create a seamless transition between the indoor and outdoor spaces; within the base of the system, a drainage solution has been integrated to ensure the system deals well with the UK’s wet weather conditions. Due to the exceptionally slim sightlines of this aluminium sliding door system and large pane sizes available with this system, the cost is a slight increase from the Sieger® 45 sliding door. The cost for this slim sliding door system is approx. £750m2 for supply, as with the Sieger® 45 system the cost will vary depending on the glazing spec and frame finishes desired as well as installation costs that are determined by the location of the project. https://www. youtube. com/embed/b_cZcr7OuBM Sieger® Slim XL Sliding Door For large format, slim framed sliding doors, the Sieger® Slim XL Sliding Doors are a contemporary solution to create beautifully elegant wide-open apertures. This system can hold maximum glass sizes of 4m x 4m with a maximum weight of 700kg per sliding pane. Due to the expansive sizes available with this system, automation is available which makes sliding doors move at the touch of a button. This premium sliding door option is ideal for large openings including corner opening designs. This system can be designed with a 6-pane opening corner sliding system or bi-parting configuration as well as a pocket door design. The Sieger® Slim XL Sliding Door can be designed with triple glazing to create excellent thermal performance levels. At approx. £850m2, the Sieger® Slim XL Sliding Door is the perfect solution to create an impressive external aesthetic. Speak to a member of the Sieger® team for accurate costings based on your project requirements and project location. https://www. youtube. com/embed/kFbosAm9N4Y


- Categories: Tech advice

A Sieger® Architektursystem product will bring high quality European engineering to your project and are the first choice for architects and designers. Speak to the team at Sieger® If you are considering using a Sieger® product on your project, speak to the team at Sieger® Architektursystems. They will be able to advise you on the best solution for you intended design, ensure that all your specification criteria are met and advise you on any areas of the installation you have not considered. Visit the showroom If you are unsure about which Sieger® system to choose from, or would like to see the products in person you can visit the Sieger® architectural showroom where a wide array of Sieger® products are on display. Showroom visits are strictly by appointment only as this allows for a Sieger® team member to provide a tailored showroom visit to discuss and show you all the suitable products for your project. Rear Extension with Aluminium Bifolds The Glazing Showroom at Sky House includes lots of Sieger products Get a quotation We advise clients to get a quotation for the installation. This allows all parties to ensure that the preferred product and design is within budget, the desired size, configuration and finish. You can get a quotation for your Sieger products and installation by getting in touch with the team and letting them know your project requirements. We will normally ask for the information via email and then the estimators will put together your quotation. Add Sieger products to your NBS specification To assist architects with NBS specifications Sieger® have created individual NBS specification sheets for each Sieger® system product. These documents contain all the vital information needed for specification. If you would like one of our draft NBS specifications just ask your sales contact at Sieger.   Place the order When ready, you (your client or the builder) can then place the order for your products with Sieger®. A full in-house handover takes place where the project will be passed to the Sieger project management team, and a dedicated contracts manager will be appointed, who will oversee the fabrication and delivery process. If we are also providing the installation for your aluminium products your project manager will also manage this in conjunction with your other building works.   Modern Kitchen Extension with Aluminium Bifolds


- Categories: Tech advice

The appearance of the system is only one element when choosing aluminium windows and doors for a project. The installation, delivery and the resources the company has, is all as equally important. There are a few areas to check prior to placing your order: Who will be installing the products? How many installers does Sieger® have? What are the logistic facilities? How many vehicles do Sieger® have? What are Sieger’s warehousing facilities? How will the glazing be installed? Does the company use glass handling equipment in accordance with Health and Safety regulations? These quotations are highly important and will have a great impact on the efficiency and smooth-running of your project. You will need to find out what personal resources the company has. It is important to consider who you will be working with on your project. What design resources does Sieger® have that will be available to you? Who will be your contact during the project? Who will be managing your project? What about a site survey? Does Sieger® have a dedicated surveying team? Does Sieger® have in-house mastic/ silicone applicators or do they subcontract? Aluminium windows and doors are highly specialist products and the correct resources must be dedicated to a project to ensure a good outcome. A lot of glazing companies will use general fixers to complete technical elements of a project, such as a survey. You should get a good idea of the resources your chosen company dedicates to the site and installation process. What products look like in photos can be vastly different to what turns up on site. Make sure you view any products before you buy them. Even if you have to travel to the showroom, the time you invest in making sure it is the right product for you will far outweigh the cost of getting it wrong. Have you visited the Sieger® showroom and physically seen the products that you are buying? Have you seen examples of the colour options? Are the viewed products assembled and working? sales@siegersystems. co. uk




## Case Studies



## News Articles

- Tags: award, built it, News, sieger 70 window, sieger lux door

We are proud to announce that Taper House, designed by Merrett Houmøller Architects, has won the prestigious Manser Medal 2024 – House of the Year AJ Award. This beautifully crafted renovation of a mid-terraced Victorian home in Hackney showcases a side and rear extension with high ceilings and striking geometric roof pitches.   Our Invisio frameless structural glazing played a key role in this award-winning design, creating a seamless blend between the home’s interior and exterior. The new family dining space opens gracefully to the patio through slim bi-folding glass doors and casement windows. It’s both elegant and functional, and that’s why it’s shortlisted for the Manser Medal 2024.   Taper House is a great example of how innovative glazing solutions can transform a space, and we are delighted to have been part of this remarkable project.   Looking to elevate your own design with bespoke glazing? Contact us


- Tags: award, built it, News, sieger 70 window, sieger lux door

Two of our slim framed aluminium glazing systems have been nominated for awards in the 2021 Build It Awards For 10 years the Build It Awards have been the most coveted accolade in the building industry. Two of our innovative glazing systems are up for nomination this year; our Sieger Lux Door for ‘Best Glazed Door’ and Sieger 70 TT Window for ‘Best Window’. The Sieger Lux Door is the latest advance in aluminium door systems. The thermally broken aluminium profiles can create pivoting doors up to 5m tall and hinged doors up to 4m tall. With highly engineered thermal break technology and a double glazed unit, the aluminium framed pivot door offers a high level of thermal insulation. In addition, the system has been fully tested for weather protection. The bespoke nature and flexible design allow the door to be manufactured to suit specific project requirements. Flexibility in design is key when it comes to modern, bespoke glazing systems, and this is certainly the case with the Sieger 70 TT Window, the thermally broken aluminium framing profile can be finished with a PPC in any RAL colour, as well as metallic finishes, anodising and dual colour. The beauty of this system is the large openings and minimalistic aesthetic achievable with this design. The handle, hinges and locking mechanism are all hidden within the frame of this large tilt and turn window to enhance the modernity of the building envelope. All of Sieger’s external glazing systems come with a low e coating as standard and a full thermal break within the aluminium frame to ensure outstanding thermal performance levels at all times. IQ Glass, the main glazing partner of Sieger, have specified and installed these systems on a wide range of projects from contemporary extensions on listed homes in London to traditional style home refurbishments in Bristol. For more information about how these systems can be used to enhance your project, contact the team at Sieger today. Winners to be announced on Friday 26th November.


- Tags: aluminium casement door, media mention, News, residential development, Slim Sliding Doors

Project images of a stunning residential development in Dolphin Quay, Emsworth were featured in the recent issue of Design Buy Build Magazine. This project saw the erection of six new apartment units, four with a traditional architecture style and two contemporary waterfront units. The contemporary apartment building both have bespoke glazing packages from Sieger. Sieger Slim Sliding Doors, bifolding doors and a range of aluminium casement windows were installed at various points in the apartments. Two Sieger Contemporary Entrance Doors sit at the front of the building, both of which were finished in the same colour as the glazing. Natural light is able to flow into the internal living spaces freely, helping the apartment to feel more spacious. The minimal aluminium framing allows the apartment to benefit from the breathtaking view of the boatyard at all times. Located within a conservation area, within flood zone three and surrounded by three listed buildings, this development faced many challenges and had to ensure the character of the landscape was not altered. Materials chosen for the contemporary builds mimicked those found in the surrounding boatyard, and the four traditional units blended in with the surrounding traditional style properties. The slim framed aluminium glazing systems were installed by Sieger’s glazing partners, IQ Glass, who provided a full design and installation package for the development. Design Buy Build Magazine features many amazing building projects along with products and services related to the construction industry. This is the perfect place for self-builders, property developers, architects and interior designers to find inspiration. Contact the team at Sieger today for more information on our slim framed aluminium glazing systems. Read the case study here. Read the full article here.


- Tags: aluminium casement door, gable end window, home renovation, large glazing elevations, News, Slim Sliding Doors

Refurb & Restore Magazine featured Mount House, a project in Kent that saw a secondary home building transformed into a new, functional living space. Slim framed glazing systems from Sieger were utilised to maximise natural light within the home renovation. The new living space used a modern interior design style which is complemented by the vast amount of natural light that is able to flow in unobstructed. A large shaped Sieger Slim Casement Window sits above the two pane Sieger Slim Sliding Door, creating an entire glass wall connecting the new living space to the garden. The choice of glazing allows the internal living space to have a strong connection with the outdoors, especially as the slim aluminium profiles cause minimal disruption to views of the garden. When open, the flush threshold of our sliding glass doors provides a seamless transition between the indoors and outdoors. A Sieger Lux Casement Door was also incorporated into the home design. The equal aluminium profiling that encases the large glass pane results in a modern and minimal glass door design. The two separate parts of the home are now connected by a thermally insulated, frameless glass link that was designed and installed by IQ Glass. Contact the team at Sieger today for more information on our slim framed aluminium glazing systems. Read the case study here. Read the full article here.


- Tags: approved document, building regulations, large glazing elevations, News, overheating, slim framed glazing

Overheating in homes is becoming an increasingly important issue, with homes becoming more insulated, and glazing systems achieving much higher thermal performance ratings, residential dwellings can run the risk of overheating and creating uncomfortable living temperatures. The aim of this document will be to reduce the occurrence of overheating to protect the health and welfare of the building’s occupants. Approved Document , yet to be officially named, will apply to residential dwellings including houses, flats, institutional residential buildings such as home or schools and residential colleges, halls of residence. Overheating prevention can be done through the ‘Simplified Method’ which focuses on the glazing area vs the floor area. This method includes taking precautions to limit solar gain during warmer months and providing adequate ventilation or means to remove excess heat from the internal living spaces. Alternatively, there is a dynamic thermal analysis method that can be used to ensure these dwellings comply with the new document. This method will be useful for those seeking a more flexible approach to building design. For homeowners who desire a highly glazed home, large glazing elevations can still be incorporated as long as certain requirements are met. Minimising Solar Gain The location of the building and the type of residential dwelling will affect which guidance should be followed to limit solar gain in warmer months. Buildings are categorised into either ‘Group A’ or ‘Group B’ depending on how many fabric elements they have and where the openings are located, as cross-ventilation can play a significant part in reducing overheating. For the location, England has been broadly split into two locations: England excluding Greater London and Greater London. To the left are tables that show how to minimise solar gains using the simplified method. Where shading is required, this can be provided using external shutters with adequate ventilation, glazing with a maximum g-value of 0. 4 and light transmittance of 0. 7, or overhangs with a 50° altitude on south-facing facades. Removing Excess Heat Group and location also affect which guidance should be followed for removing excess heat. The proposed document outlines what means will be considered appropriate for this. The document outlines requirements for the minimum geometric open area of a ventilator, known as a free area. The new document also states that opening elements should open to a minimum of 60 degrees. Extra care should also be taken when designing corridors that have pipes for heating or hot water as they can create more excess heat that needs to be removed. Dynamic Thermal Analysis This method for preventing overheating is suitable for all residential buildings and can offer additional flexibility in design over the solutions outlined in the ‘simplified method’. Using an adapted version of the CIBSE’s TM56 methodology, this analysis predicts the risk of overheating and offers a wider range of acceptable strategies for reducing the risk. Strategies mentioned in the document include certain glazing designs, the shade of adjacent permanent buildings or structures and mechanical or louvred ventilation systems. With around 2,000 heat-related deaths a year in England and Wales this is not something that should be taken lightly. Temperatures are predicted to continue rising, making it vital that we take action to ensure the welfare of a home’s occupants. The proposed document is not yet in effect but if you are worried about the impact these new rules will have on your proposed design the team at Sieger are happy to talk to you. Get in touch with the team today.


- Tags: aluminium glazing, Brexit, global supply chain, News, supply only

The past year has been extremely difficult for many people, with the global pandemic affecting every part of people’s lives. People have lost jobs, loved ones and much more. The team at Sieger offer our condolences to those who have struggled through the pandemic and we hope that now there is light at the end of the tunnel. Our employees have worked tirelessly through multiple lockdowns to ensure our business continues and we cannot thank everyone at Sieger enough for their hard work and all our customers for their understanding through this difficult time. Although we have been able to continue as normal for the most part, the pandemic is starting to have a significant impact on the Global Supply Chain and customs from Brexit. Coronavirus Pandemic and Brexit How the Pandemic is Affecting the Global Supply Chain There are some raw materials that are in short supply, and with the surge in construction projects with the restrictions easing, there is an extremely high demand for these already scarce materials. Closures of factories and other businesses within the industry across the world contributes to backlogs for many businesses. Sieger and all businesses we work with are trying our best to not let this impact our lead times, without sacrificing quality. Impact on Customs from Brexit Brexit has led to increased checks and additional cost when importing from outside of the UK. Although Sieger manufactures our own aluminium glazing systems in the UK, some materials are imported from the continent. Between the pandemic and slower release times for cargo stopped at the border, this can occasionally cause delays on our lead times. Our Promise We understand that increased lead times and uncertainty on timelines can be inconvenient and frustrating, but we hope you understand that this is something that is impacting many businesses across the manufacturing and construction industry. Sieger is committed to offering our customers a smooth and stress-free experience, with the highest quality aluminium glazing systems. Please be assured that we will always do our best to avoid delays and take into account the state of the Global Supply Chain and Brexit. Slight delays may occur due to production, logistics and customs. If there are any delays or issues, we will update you as soon as possible to ensure this does not impact other parts of your project. Thank you to all our customers who we have worked with and to all our future customers for your understanding and for allowing our systems to help you build such stunning projects. For more information or if you have any questions, get in touch with the team today. Interested In Our Aluminum Framed Products? Click Here To Find Out More


- Tags: aluminium bifold door, indoor outdoor living, media mention, News

The article, named ‘Let there be light’, looks at how this double-height extension turned a previously dark and dull terraced house into a bright and inviting family home. The use of a slim framed aluminium bifold door and roof glazing in the kitchen at the rear of the home allows the space to appear bigger. Maximising the flow of natural light helps reduce the need for artificial lighting during the day. The inside of the property has a pastel colour scheme that is complemented by the vast influx of sunlight. Indoor-outdoor living has increased in popularity over the years and in turn, so has the demand for bifold doors. Bifolding patio doors are able to be tackled neatly to one side, leaving a clear structural opening and allowing the internal and external living spaces to be merged. In the article there is also a focus on budget and planning permission when renovating your home. The homeowners ended up going significantly over their budget however felt it was justified as this is the home they want to set roots down in and live for years to come. When it comes to building permissions, many small extensions and home renovations are covered under the Permitted Development Act. Although there are guides online for whether or not you need planning permission it is always worth checking with your local planning authority to ensure there are no issues later in the project. You can read our case study here and the full article here.


- Tags: aluminium bifold door, flat rooflight, glass pivot door, glazing showroom, internal pivot door, News

With restrictions being lifted, we are now able to welcome visitors back to our showroom in Amersham. This is currently by appointment only to ensure that everyone in the showroom is able to practice social distancing and cleaning can take place regularly. Whilst the showroom was closed, renovations have been underway and new Sieger systems installed. What’s new? MIRO Pivot Internal Glass Door is an elegant internal glass door with minimal framing. This particular system has a bronze anodised finish, illustrating the unique and complex finishing options we can achieve for our aluminium glazing solutions. Sieger 70 TT Window now has the option of an invisible handle for a super minimal and modern look. We have one of these systems on show so visitors can appreciate the sleek design in real life and see how easy it is to operate. What else is on show? We have a wide range of systems on display, from our Sieger Legacy range to a three pane Sieger Lux Bifold, which is the slimmest aluminium bifold on the market. Our Sieger Lux Pivot Door is an exceptional system not seen in many homes. With full weather testing and an innovative concealed pivoting mechanism, this glass door can reach impressive heights of up to 4m. Many are shocked at how easy the system is to open and close in such a large size. Contemporary aluminium Sieger Entrance Doors are also on display, hidden away in one of our many cassettes, revealed when being shown to visitors. There are a range of fully functional technical glazing solutions such as heated glass, switchable privacy glass and electrochromic glass installed at various points around the showroom. Our showroom has excellent links to the M25, M1 and M4, as well as direct train links to central London. It is located a 15-20 minute walk from Amersham train station. Sky House Design centre, the home of our glazing showroom, is currently undergoing major renovations. Showroom visits can still go ahead while renovations are underway, but the showroom will definitely be worth a visit later in the year! Once the renovation is complete, which is due to be later this year, we will have an even wider range of system on show, allowing clients to see how the systems look and move in real life situations. There are ongoing renovation works at the Sky House Design Centre which is due to be finished later this year, the new design centre will feature a wide variety of glazing systems. Our Covid-19 safety procedures will remain in places such as wearing masks whilst moving around the showroom, increased cleaning frequency and using a one-way system to protect both visitors and our staff. Get in touch today to book a showroom visit. All information is correct as of April 2021.


- Tags: aluminium bifold door, flat rooflight, glass pivot door, glazing showroom, internal pivot door, News

With the announcement that non-essential retail will reopen on the 12th of April, we are looking forward to welcoming visitors back to our showroom. Whilst the showroom has been closed to visitors over the lockdown period, our team have been working hard to ensure projects run as smooth as ever and we still provide exemplary service. Our team have been offering virtual showroom visits and are excited to finally be able to welcome visitors back, especially as there have been a few changes at our Amersham showroom with new glazing systems on display. The Sieger MIRO internal glazing range has proven to be an extremely popular choice for projects thanks to the minimal aluminium framing and contemporary design. We now have a MIRO Pivot Internal Glass Door in the showroom with a bronze anodised finish, so the full effect of its sleek design can be appreciated. Why should I visit the showroom? Sieger systems are available to view online but seeing the systems in person is a whole other experience.  Being able to open the windows and doors yourself really help to get a feel for which product is best for your project. The Sieger Lux Bifold is the slimmest bifold currently on the market and you can get the full effect of these ultra-slim sightlines by viewing it in person. An array of Sieger products are available on display at the Sky House Design Centre showroom in Amersham. Featuring a broad range of products in real-life situations which take into consideration different types of project designs and styles helps to ensure that our customers are happy with their product choice. There are ongoing renovation works at the Sky House Design Centre which is due to be finished later this year, the new design centre will feature a wide variety of glazing systems. Our Covid-19 safety procedures will remain in places such as wearing masks whilst moving around the showroom, increased cleaning frequency and using a one-way system to protect both visitors and our staff. Get in touch today to book a showroom visit.


- Tags: aluminium bifold door, aluminium window, media mention, News, sieger casement window, Slim Sliding Doors

This luxury new build home in Buckinghamshire features a full glazing package from Sieger. The ground floor of the home benefits from Sieger 120 Bifold Doors and aluminium framed Slim Sliding Doors. On the upper floor of the home, multiple Slim Casement Windows were used and the master bedroom has a contemporary Juliet balcony design that provides ventilation whilst offering stunning garden views. With all the elements a high end home needs, including a home gym and outdoor pool, the glazing from Sieger blended in seamlessly with the luxury feel. This project was recently featured in the March issue of i–Build magazine providing reader with an insight into how Sieger systems can help to enhance the look and functionality of a home. Flush thresholds and minimal framing on the sliding doors systems allow the interior and exterior spaces to be merged. With the doors open the spaces become a large indoor-outdoor area, forging a strong connection between the home and the garden. For more information on this project, read the case study here and the full article here.


- Tags: aluminium window, flat rooflight, media mention, News, sieger casement window, Slim Sliding Doors

Over the last year, the team at Sieger have worked tirelessly to ensure projects went ahead, even with the ever-changing government guidelines. This article from The Construction Centre mentions that we are continuing services such as CPD’s and showroom visits virtually to keep our staff and visitors safe. It also focuses on a recent project in Clapham which includes a range of Sieger glazing solutions.  Sieger systems used on this residential development in London helped to introduce vast amounts of natural light into the luxury homes. Sieger Slim Casement Windows and Sieger 45 Sliding Doors were used in a range of configurations including floor to ceiling glazing and glass to glass corners, providing uninterrupted views of the outdoors. A combination of timber cladding and traditional red brickwork was used for the external building finishes across the development and both are complemented by the use of oversized glazing. For more information on this project, read the case study here and the full article here. Note: All information regarding services and showroom visits is accurate at the time of publishing (Feb 2021).


- Tags: aluminium window, flat rooflight, News, schuco, schuco doors, sieger casement window

Field House won the Individual House Award in the 2020 Schuco Excellence Awards. Designed by architects Spratley & Partners, this new build project utilises the picturesque countryside that surrounds it.  Large glazing elevations were incorporated all around the property for uninterrupted, panoramic views of the outdoors. Gable end, frameless windows combined with a slim sliding door system create a striking glazing solution at the rear of the property. Also featured in this project are Sieger Casement Windows and Schuco Doors. As with most Sieger glazing systems, these both have modern and minimal designs whilst boasting outstanding performance levels. The glazing package used various installations of structural glazing, along with floor to ceiling glazing to make the most of the expansive views. In keeping with the setting and aesthetic, the home was finished using materials such as zinc and pre-weathered burnt timber cladding which interfaced well with the architectural glazing. Sliding door systems were used to create a small internal courtyard next to the sunken living room. This combined with a walk-on rooflight ensures the room benefits from natural light and ventilation whilst keeping the cosy atmosphere. If you would like to enquire about using Sieger Systems for your project, get in touch with us today. Our experienced sales team are on hand to offer support and guidance on all aspects of the Sieger products to ensure the correct decision is made. Call us on 01494 722 882 or


- Tags: News, sieger legacy, steel look doors, steel look windows

Our last day in the office before the Christmas break will be Wednesday 23rd December 2020 and we will be open again from Monday 4th January 2021. This year has been a difficult time for all, but our team and everyone we have worked with has shown amazing resilience and drive. Despite the challenges faced due to government restrictions, Sieger have continued to work at full capacity thanks to our dedicated team. To see people pulling together and getting projects completed with minimal disruption during this trying time is truly inspiring! We would like to thank all our clients, old and new, for your support throughout the year and we look forward to working on more projects with you in the years to come. We are excited to see what 2021 will bring for all of us. Wishing everyone a very Merry Christmas and a Happy New Year! All product information can be found on our website. If you have any other questions during the break check out our technical advice page. If you would like to place an enquiry with us over the Christmas period please feel free to email us all the project details and we will get back to asap upon our return.


- Tags: aluminium framed glass door, aluminium window, flat rooflight, glass balustrade, lantern rooflight, News

As lockdown draws to a close, Amersham will be in Tier 2 of the UK’s tiered system. This means the IQ showroom can reopen on the 3rd December, as per government guidelines. Tier 2 allows retail to open and therefore showroom visits to resume. Following strict social distancing guidelines, IQ have a number of safety measures in place to allow safe showroom visits to be conducted. Upon booking a showroom appointment, these guidelines will be sent directly to you, prior to the visit. All showroom appointments must be pre booked and arrivals will be staggered to avoid congestion in the reception area at any time. The one-way system throughout the showroom will remain in place, with masks being a requirement when travelling around the building. In our dedicated meeting spaces, seats are marked to show where staff and visitors can sit with a 2metre distance between them. The showroom will continue to be thoroughly cleaned throughout the day and the building ventilated at all times. Why should I visit the showroom? Sieger systems are available to view online but seeing the systems in person is a whole other experience.  Being able to open the windows and doors yourself really help to get a feel for which product is best for your project. The Sieger Lux Bifold is the slimmest bifold currently on the market and you can get the full effect of these ultra slim sightlines by viewing it in person. An array of Sieger products are available on display at the Sky House Design Centre showroom in Amersham. Featuring a broad range of products in real-life situations which take into consideration different types of project designs and styles helps to ensure that our customers are happy with their product choice. Still unsure? Our friendly experienced sales team are on hand 6 days a week to offer support and guidance on all aspects of the Sieger products available in the showroom to ensure the correct decision is made. To book a showroom visit, call us on 01494 722 882 or email sales@siegersystems. co. uk


- Tags: aluminium framed glass door, aluminium window, double glazing, ecofriendly home, News

Earlier this year the government launched The Green Deal to help households make energy saving improvements in their home and reduce their carbon footprint. The Green Deal helps people find the best way to pay for these improvements, but the government are also offering loans and grants. You can check if you are eligible for either of these on the government website. If you receive the Green Homes Grant, at least one primary measure must be taken before the grant can be used for glazing. This includes measures such as building a cavity wall or a low carbon measure like a biomass boiler. Once a primary measure has been installed the voucher can then be used to replace single glazing with double or triple glazing. It can also be used to replace certain single glazed or solid external doors with energy efficient doors. The Deal is due to end in March 2021. Homeowners can get up to £5,000 to cover part of the cost of these energy saving measures. Low income households can get 100% of the costs of work covered up to £10,000. The aim of this scheme is to help make homes more environmentally friendly and when it comes to glazing, aluminium frames are one of the most eco-friendly materials. Aluminium is 100% recyclable and with the modern thermal break technology used at Sieger our glazing systems achieve high levels of thermal performance. Check out our product pages to see the thermal performance and technical details of our glazing systems. If you have applied or are thinking of applying and want to use your voucher for glazing replacement, get in touch with the Sieger team to discuss glazing options. To talk to the team call 01494 722 882 or email sales@siegersystems. co. uk


- Tags: aluminium framed glass door, aluminium window, flat rooflight, glass balustrade, News

Construction companies have been instructed to continue as normal through the upcoming lockdown. We will still be operating at full capacity while continuing to follow Covid procedures to keep our employees safe. However due to the new lockdown rules we will be closing our showroom from Thursday 5th November until the restrictions are lifted. Our offices will remain open and lead times will not be affected, we just sadly cannot allow visitors during this time. A member of the team will be in touch with any visitors who had an appointment booked for during the lockdown period. All product information can be found on our website, including downloadable product data sheets. Our YouTube channel has a range of videos showcasing the Sieger systems and some of our projects. There is also a 3D tour of the Sky House Design Centre where products such as the Sieger Slim Sliding Door can be seen. We hope to be back open by the 3rd December, however if the lockdown is extended, we will remain closed in line with the government regulations. For more information or if you have any queries call us on 01494 722 882 or email sales@siegersystems. co. uk


- Tags: aluminium framed glass door, aluminium window, flat rooflight, glass balustrade, lantern rooflight, News

What measures do you have in place? Here at Sieger we are fully committed to the safety of our staff and visitors. To minimise any risk to you and our staff, we will be following strict safety and social distancing measures. As part of these measures, we will be controlling the number of people in the showroom at any one time by only accepting pre-registered visitors, so get in touch to book your visit. Temperatures are taken upon arrival and we require visitors to use hand sanitiser before starting the showroom visit. Whilst the visit is taking places masks are required when walking around but can be removed when sat down and stationary where we can ensure social distancing. All shared surfaces are disinfected after touch to stop the spread of germs. Additional procedures include the introduction of paperless visits, whereby all marketing materials or other information will be sent to you electronically after your visit. Why should I visit the showroom? Sieger systems are available to view online but seeing the systems in person is a whole other experience.  Being able to open the windows and doors yourself really help to get a feel for which product is best for your project. The Sieger Lux Bifold is the slimmest bifold currently on the market and you can get the full effect of these ultra slim sightlines by viewing it in person. An array of Sieger products are available on display at the Sky House Design Centre showroom in Amersham. Featuring a broad range of products in real-life situations which take into consideration different types of project designs and styles helps to ensure that our customers are happy with their product choice. Still unsure? Our friendly experienced sales team are on hand 6 days a week to offer support and guidance on all aspects of the Sieger products available in the showroom to ensure the correct decision is made. To book a showroom visit, call us on 01494 722 882 or email sales@siegersystems. co. uk


- Tags: Advice Posts, Bifold Doors, corner opening

Corner opening bifolds are sure to make a statement in any home design, granting seamless garden access and encouraging paths of natural light to flow through the home. Forging a strong connection between inside and outside areas, our range of slim framed aluminium bifolds are designed for an indoor outdoor style of living, allowing the maximum amount of glass possible with the least intrusive framework. Bifolding doors come in many configurations and finishes and our systems are tailored to each project’s specific requirements, meaning your result is completely bespoke. The first important factor when considering corner opening bifolds is to ensure you work with a builder/developer who has experience in cantilevered steelwork. This is imperative to the structure of your opening elements, expertise in this area will greatly reduce the chance of any mistakes or delays in the process. Installation of cantilevered steelwork is essential as this is engineered to hold the weight of the roof above the doors. Installing cantilevered steelwork around the door opening makes the need for a supporting post redundant, allowing for a completely open aperture when open. Glass details There are a number of factors that need to be considered to determine whether a fixed post is required on the outside of a corner opening configuration. The factors to consider could include glass weight, frame size, location of installation and existing roof/house structure. If the opening elements are replacing a door or window with a larger width than the new installation, the existing lintel will support the installation. All the Sieger® bifold door systems are fully thermally broken as standard; this means that they are high performing and highly thermally insulated when used as external doors. Corner opening bifolds are generally used externally, to better connect homeowners to their garden areas and increase useable space. However, there is no reason an internal installation of this type wouldn’t be possible and we would be happy to be involved in the specification process of an internal system. Due to our installations being bespoke each time, we can ensure all bifolds are perfectly suited to your project requirements. An opening corner bifold can come in a number of configurations, including a different number of panes on each side of the corner. Giving an asymmetrical appearance could inject a modern design twist. The Sieger® Legacy bifold doors are a true competitor for steel systems, with the additional benefits of using aluminium. Glazing bars are available as a decorative feature on these systems, perfect for a modern art deco design. Cost of corner-opening bifolds A common misconception is that corner opening bifolds would have to be at a 90 degree angle; this is not the case and we would work with designs to adapt and create the best angle to suit any given space. When specifying corner opening bifolds, a frequently asked question is will this dramatically affect the cost in comparison to a project with a standard bifolding door. The cost of incorporating a corner design is primarily affected by the number of panes required. If you are using double the amount of panes as you would in a single opening element then the cost would be doubled. Size is a key factor when considering costs, size of glass panes must be taken into consideration as well as the cost of labour and whether a corner post is required for support. If large sizes are desired, the Sieger® Lux Bifold can reach impressive sizes of up to 3m tall and 1. 2m wide per panel. This system boasts slim sightlines of just 30mm over the profile widths for uninterrupted, free flowing light.  Where floor to ceiling glass is required the Sieger® Super Lux Bifold is also available, with maximum pane sizes of an incredible 5m tall and 1. 2m wide.



In this strange and ever-evolving time we are focused on prioritising the health and well-being of our employees, subcontractors and clients. As an employer and supplier, we also have a social responsibility to ensure that business continues as normal as possible so that our clients, our employees and our suppliers can all continue to provide for their families. With this in mind, we want to assure you that we are operating business as normal. Our office-based operations are now fully remote with all office-based staff set up to work remotely from home. Our office telephone line is open and directed to the mobile of a member of the team. If they are on the phone there is an answer phone message for you to leave your message. Someone will come back to you asap. In keeping with the latest government advice, all factory operations are still going ahead with a reduced workload to ensure we comply with social distancing rules. We have written confirmation from most suppliers that they are also operating business as usual. If there are any delays due to longer production timescales all affected clients have been informed. Please be aware that some of our smaller suppliers have taken the decision to temporarily close. In these instances, we are sourcing goods from elsewhere where possible. We are keeping up to date with all the latest government guidelines and adjusting our working practices where required. We want to assure you however that we are fully operational and remain committed to keeping our business operating as usual and ensuring all our clients receive an exceptional level of service. We are committed to helping you keep your business running and ensure that your project timelines can continue. We hope that you and your teams stay safe and well during this time. We are all very much in this together. If you do have any queries or concerns, please do not hesitate to contact us. Kindest regards,Sieger Systems Ltd


- Tags: Advice Posts, Tilt and Turn Window, Windows

The new Sieger 70 window is one of the only invisible opening window systems available on the market. It’s a tilt and turn window that can be designed to exceptional sizes with an almost frameless appearance. The handle is integrated within the frame which is imperceptible from a front view. To further enhance the discreet opening mechanisms, the hinges are also concealed within the frame. Having all the opening mechanisms hidden consolidates the minimalistic aesthetic of this window system. This modern window is manufactured in our aluminium window and door fabrication facility in Amersham. We manufacture each Sieger® product bespoke to each project, therefore the Sieger 70 window can be manufactured as part of a full glazing package from us. The finer details The handle is hidden within one side of the frame, so to open the window to a side hung opening position the handle just needs to be lifted out the frame and rotated to a 90° angle. The window then pivots on its hidden hinges at the top and base of the window frame. For a tilt and turn opening, the handle needs to be rotated 180° (from the closed position facing the base of the frame) to face the top of the frame where the handle can be hidden within the frame again. The beauty of this system is that it appears to be a large fixed frame window, however it is actually a large tilt and turn window thanks to the intelligent design. It has been designed to meet some of the most exacting standards in modern architectural and fenestration design. The sightlines (vent and frame profile) is just 66mm, and as the window can be manufactured to 2. 3m tall x 1. 3m wide you can achieve an impressive frame to glass ratio. The configurations of this slim framed aluminium tilt and turn window are all inward opening; it can be opened in a side hung and bottom hung configuration. There is only one handle option for this window as it’s specially designed for this tilt and turn mechanism, but the frame colours can be chosen in any RAL colour, timber effect PPC, anodised and dual colour finish. Maximising the Amount of Light Not only does this system have beautifully slim frames, but it also achieves impressive performance ratings. The Sieger 70 window is manufactured using a thermally broken frame and a typical glass specification of 6mm TXD outer, 16mm argon filled cavity, 6mm TXD inner with a low e coating; this achieves a Uw value from 1. 0 W/m²K. It also achieves an air permeability class 4, wind resistance class C5 and acoustic reduction RW 46 dB. The slim design of this tilt and turn window looks exceptional alongside the slim aluminium door systems from Sieger®, specifically the Sieger slim sliding door and the Sieger lux bifolding door. For a full glazing package from Sieger, each product is manufactured by hand in our fabrication facility where you can come and see your glazing package being created. Specifying various Sieger products in your project will ensure a cohesive finish to the fenestration. You can see the Sieger 70 window in our glazing showroom in Amersham. To arrange an appointment or to discuss your project with our technical team, just call 01494 722 882 or email sales@siegersystems. co. uk


- Tags: Residential, Roof Glazing, The Sieger Rooflight System

A thermally broken solution to automated rooflight   The Sieger Automated rooflight is a thermally broken rooflight system is the latest addition to our range of roof glazing systems. It removes the cold bridging that occurs in standard roof glazing on the market. This system can achieve a U Value up to 1. 16 W/m²K to enhance energy efficiency within buildings. With high levels of sunlight directly penetrating into the heart of living spaces, property owners can reduce the need for artificial lighting and reduce their heating bill as the sunlight generates natural heat and light. The typical glass specification for this glass rooflight includes a Low E coating that works to suppress heat loss, maintaining a comfortable living environment. Automated rooflights are an excellent way to achieve abundant light within interiors but also to improve ventilation and air quality. Ventilating rooflights can help improve the air quality by allowing a lot or a little amount of gradual air flow into a space. The Sieger automated rooflight is opened and closed electronically via a remote control or wall switch to provide fresh air when required. Design Tip Automated rooflights are an excellent way to achieve abundant light within interiors but also to improve ventilation and air quality How are automated rooflights good for our health? There’s nothing quite like siting or laying down in a home or office and looking up to see the sky through a glass rooflight. This experience isn’t just easy on the eye, it has been said that exposure to natural daylight promotes good health and helps the human circadian rhythm.  Rooflights can do so much for the health of a buildings’ occupants, from regulating sleep cycles to maintaining a healthy immune system. Natural light also helps to boost moods and productivity as the daylight awakens the senses and aids the production of Vitamin D within the human body. It’s not only during summer that this glass rooflight system is beneficial, in the colder months it also allows homeowners to make the most of the limited hours of sunlight. Allowing the sun to brighten interior spaces creates a more welcoming and attractive living or working environment and brings the occupants closer to nature. What are the glazing options for rooflights? Modern glazing and glass technologies are extremely advanced and offer a wide selection of glazing options when specifying the Sieger automated rooflight. In overhead glazing, Sieger® use toughened laminated glass as standard. In all our glass products we use toughened glass, but for overhead glazing we add a lamination to prevent any damage of injury occurring if the roof glazing was to break for any reason. The laminate adds another level of protection – if the glass breaks the laminate will hold the broken glass in place and stop it from falling into the room below. Low Maintenance Glass is often specified for roof lights as these areas of glazing are often difficult to access and therefore the glass is difficult to clean. Low maintenance glass doesn’t mean that the glass will never require cleaning, it just means that the amount and frequency of cleaning is reduced. A coating is applied to the external surface of the glass which helps to prevent dirt from sticking to the glass and maintaining a clear glass unit for a longer period of time. Solar Control Glass is another technical glass solution that is commonplace with roof glazing. This glass coating helps to reduce solar gain internally, allowing sunlight to pass through the glass but reflecting the radiant heat waves back out into the air. This glass also works by bouncing internal heat back into the interior living spaces. Solar control glass prevents excessive heat build-up to maintain a comfortable living environment. How much ventilation does this opening rooflight provide? Opening rooflights are an excellent way to improve air flow because they are designed to easily open to release warm air that has naturally risen to the ceiling of a room and let in fresh oxygenated air. The upstand of the Sieger automated rooflight is available from 5° to 20°. An upstand is an important part of the installation of a rooflight, they are raised structures that create space between the roof and rooflight. Building regulations require rooflights to have a minimum pitch of 3° and protrude from the roof surface by at least 150mm. This ensures that there’s sufficient resilience against wind, rain and standing water. Sealed within the frame of the rooflight are 24v chain driven actuators that allow the rooflight to open to a maximum of 400mm. The automated ventilation is operated by a wall switch as standard which is connected to the rooflight by a ‘control box’. This control box can also be connected to various optional control devices such as a touch screen remote control (controlling up to 4 individual rooflights). Where can...


- Tags: Bifold Doors, Residential

Chaucer Road, a Victorian townhouse in Brixton, was featured on Channel 4’s renovation series “George Clarke’s Old House, New Home”. Episode 4 (Series 4), captured this renovation whereby the ground floor living spaces were remodelled and a two storey extension was added to the rear of the property. Homeowners Jason and Hannah wanted to move the kitchen to a new space at the back of the property which they could design, along with George Clarke’s help, to suit their lifestyle and bridge the divide between the existing home and garden. The challenge was then what the old kitchen space was used for and how to utilise the redundant chimney breast. On the show, George suggested either that the chimney was removed (which was a costly option) or that the chimney breast was cut into and modified to create featured storage within the chimney breast. Either side of the chimney could then be used for built-in shelving, a clever technique to maximise the space. During the episode, George Clarke also suggested to the homeowners that they should knock down the space between the old kitchen and from living room to create a beautifully balanced connection between the spaces and generate an uninterrupted flow of natural light. Testimonial This episode beautifully showed how the new and existing areas of a property can be connected with an elegant structural glass roof that not only increases natural daylight but enhances the transition between these spaces. George Clarke visits several Victoria terrace homes that have benefited from a kitchen extension to the rear. Each of the examples he shows all have the same design concept but have each been executed slightly differently. At Chaucer Road the extension is designed with a large rooflight in one corner on the roof and aluminium bifold doors leading out into the garden. Each extension that George shows in the episode has some form of roof glazing (whether that’s a long strip of glazing that filled the side return or a roof lantern), and either a large picture window or minimally framed aluminium doors that provide outstanding views of the outdoor living space.   In the kitchen extension George proposed to use a light toned and earthy interior design scheme to create a bright and elegant aesthetic. The colour scheme beautifully juxtaposes the dark toned frames of the Sieger 120 bifold door that can be seen being installed towards the end of the episode.   The extension was finished with sophisticated detailing for the subtle artwork on the walls to the purposely placed wooden dining table that is flooded with light from the frameless rooflight. “The subtle additions to this property make the home feel so intimate and special” says George. The homeowners were delighted with George’s ideas to transform the ‘middle room’ to create a multipurpose space that helps to connect the new and existing areas of the property. The bifolding doors installed to the extension can be seen from the front living room thanks to the linear design. The same tiles were used for the kitchen floor and the patio which accentuates the indoor/ outdoor living space, resulting in an outstanding outdoor living space.  Watch the full episode here.


- Tags: Highlighted Projects, Year in review

The top 3 projects from Sieger as voted for by the team at Sieger Holstein Avenue Sieger aluminium worked many exciting glazing projects throughout the year including a project that featured on channel 4 ‘George Clarke’s Old House, New Home’. We asked the team at Sieger to highlight the top projects from 2019, here are the top 3 projects they voted for: This year the project at Holstein Avenue was completed. This project saw the installation of Sieger Slim Sliding Doors with integrated glazing bars to create an industrial style aesthetic to the glazing. This extension was designed to a terrace property in Surrey, designed to connect the internal and external living spaces while providing additional living areas. Fixed glazing was also installed above the sliding doors to create a fully glazed façade to the gable end of the extension. This project is a great example of how the Sieger systems are versatile and can be designed in a range of configurations and finishes for a unique design. Products Included: Sieger Slim Siding Doors Sieger Slim Casement Windows 2019 has been an exciting year for Sieger®, from appearing on ‘George Clarke’s Old House, New Home’ through to world leading glazing product launches. In 2019 Sieger launched the world’s slimmest and the world’s tallest bifolding doors systems. Chaucer Road Chaucer Road featured on George Clarke’s Old House, New Home this year on Channel 4. The large Brixton terrace family home underwent a vast renovation to increase the living space of this growing family home. The extension provided a new space for the family kitchen and dining space. During the show, George Clarke worked alongside the homeowners to come up with new, functional spaces that worked for the family as well as creating a beautiful architectural design. Products included: Sieger 120 Bifolding Door Buckinghamshire House An extension to a large family home in Buckinghamshire was completed during the Summer of 2019. The extension was designed with the original architecture in mind in order to create a subtle addition that blended beautifully with the existing property. The extension created a large ground floor open plan design that flowed effortlessly to the outdoors. Corner opening Sieger® Slim Sliding Doors were installed to this extension, which was the first installation of corner opening sliders using this product. The project was a huge success and the homeowners are enjoying a light-filled open plan living space. Products Included: Sieger Slim Sliding Doors Slim Casement Windows Sieger 40 Lantern Rooflight


- Tags: New Year, News, Office Opening Times

The Sieger Aluminium Office and Showroom will be closed for 2 weeks It’s officially 2020! We would like to wish everyone a Happy New Year! This year we have a lot in store for our clients, from new products to more systems installed in the showroom. We like to keep our clients updated with all our latest news, to keep up to date subscribe to our newsletter here. Now that the Christmas celebrations are over and the new year has started, we turn our focuses onto the new year and new decade that is now upon us. We are excited to see all the new architectural designs discovered this year and help transform the designs into reality. Christmas & New Year Closure Notice Please note that our office, factory and showroom will be closed for the Christmas holidays from Friday 20th December until Monday 6th January, when we reopen at 8:30 am. If you would like to send us an enquiry before we open, please email us hello@iqglassuk. com and we will get back to you when we return.


- Tags: Christmas Closure, News

The Sieger Aluminium Office and Showroom will be closed for 2 weeks As 2019 draws to an end, we are looking back at key events that occurred in 2019 for Sieger. From a brand-new website through to new products, and the opening of the new Sieger Factory. We can definitely say that Sieger has seen a vast array of excitement and change throughout the year and are thrilled to see what the new year brings. Christmas Closure Notice Please note that our office, factory and showroom will be closed for the Christmas holidays from Friday 20th December until Monday 6th January, when we will reopen at 8:30 am. We would like to thank all our clients, both new and old, for your support throughout the year and look forward to working on more projects with you in the years to come. Christmas Closure Notice Please note that our office, factory and showroom will be closed for the Christmas holidays from Friday 20th December until Monday 6th January, when we reopen at 8:30 am. In 2019 we saw the launch of the Sieger Lux Bifolding Door – the slimmest bifolding door in the world, as well as the launch of the Sieger Super Lux Bifolding Door – the worlds tallest bifold. We even installed a large installation of the worlds slimmest bifold in our glazing showroom to display the impressive sightlines of this system, which was shortlisted in the Build It awards for ‘Best Glazed Door’. This year also saw the launch of our brand new website, given a fresh look to display our products, glazing advice and news articles in a more user-friendly way. The launch of our website happened alongside the opening of our state-of-the-art aluminium fabrication factory, which is located next door to our glazing showroom in Amersham. To arrange a showroom visit for the new year, just email sales@siegersystems. co. uk If you would like to place an enquiry with us over the Christmas period please feel free to email us all the project detail and we will get back to asap on our return.



Sieger shortlisted in the Build It Awards 2019 The Sieger Lux Bifolding Door has been shortlisted for the Build It Awards 2019 in the best-glazed door category! The Sieger Lux Bifold Door is the slimmest bifolding door available in the world!  This system boasts sightlines of just 30mm profile widths, resulting in overall meeting profiles of 74mm. Not only does this system offer beautifully slim sightlines but it can also be manufactured to impressive heights of up to 3m resulting in ground-breaking architectural designs. The annual Build It Awards celebrates all aspects of architectural design from best architect through to most celebrates all aspects of architectural design from best architect through to most innovative architectural designs and glazing systems. The Sieger Lux Bifold, the slimmest bifold door available on the market, has been shortlisted in the best-glazed door category in the Build It Awards. These awards showcase innovative architectural designs, professionals and products. The annual Build It Awards bring together manufacturers, glazing fabricators, architects, contractors and key industry figures to recognise innovative architectural designs and excellent design in the building sector. This year the award ceremony will be held on Friday 29th November 2019, good luck to all those who are shortlisted! See all the award categories and shortlists here.



A Sieger Legacy Extension The Elgood Avenue project was featured in Real Homes magazine (November issue) as their Real Home no 2. Amit and Sara of Aflux Designs created this two-storey extension to create a new space for a professional couple and their two young girls. The existing property had a PVC conservatory at the rear which was becoming very outdated, therefore Amit and Sara demolished this and brought the property further out into the garden, connected by elegant steel-look casement doors. The new extension and refurbishment gave each of the children their own bedrooms with their own independent bathroom, to the ground floor they wanted a more open-plan layout for a new living, dining and kitchen area. the kitchen now flows in an ‘L-shape’ to connect all these living spaces together with the outdoors. “The couple wanted industrial style mixed in with classic and shaker influences, and that’s why glazing is a big feature. The first part of the garden was tiled, and we needed to make big openings for barbeques and entertaining”. The feature within Real Homes offered advice from the architects Aflux Design regarding planning permission, specifically the permitted development route. “If you’re going down the permitted development route (PD), your extension will need to follow the rules”. They go on to explain the rules regarding the aesthetics of the external façade, maximum sizes and even the roof pitch. To find out more about how Amit and Sara transformed this property with a double-storey extension and steel look glazing, pick up the latest copy of Real Home magazine.



From the Times newspaper through to magazine features The Times newspaper frequently publishes a ‘Bricks & Mortar’ feature which discusses the latest news and innovation in the construction and architectural design industries. Sieger were mentioned in an article called ‘the doors that are dividing opinion’ which showcased the Sieger Super Lux Bifolding Door. Bifolding doors are ever evolving to meet modern design and performance requirements and there’s no better example of this than the Sieger Super Lux Bifolding Door which not only offers elegantly slim frames but an impressive height of up to 5 metres tall. These heights are achievable with the aluminium bifolding frames, because aluminium is a strong material, which is underlined in the article: “As aluminium frames are stronger than PVC frames, they can be made slimmer and taller. For example, the Sieger Super Lux Bifolding Door by Sieger Systems claims to be the world’s tallest bifold, reaching up to 5m”. Exterior bifold doors are designed to build a strong connection between the internal and external living spaces, therefore it is important to choose a folding door that offers maximum connection to the outdoors – this could be through a flush threshold, slim framing or expansive heights of glass.  The Sieger Super Lux Bifolding door can reach impressive heights which results in tall elevations of glass for ground-breaking architectural designs. The Sieger Lux Bifold Door was featured in Homebuilding and Renovating Magazine (the August Issue) in an article that looked at how to make the most of rooms that have a view worth capturing. When trying the make the most out of views, glazing systems need to be carefully considered to ensure that the views are beautifully framed. The magazine feature read “create uninterrupted views with the slimmest thermally broken aluminium set of bifold doors to date. Sieger has launched the Sieger Lux collection ... creating seamless transitions between your home and the great outdoors. ” This new system is a ground-breaking system in modern architectural design, providing architects with a new possibility when it comes to minimalistic glazing systems. These aluminium doors are available to view at the Sieger showroom in Amersham – there is a full height (3-metre-tall) installation of the system. To arrange a showroom appointment simply email sales@siegersystems. co. uk or call 01494 722 882.



The new Sieger Lux and Super Lux aluminium bifolding doors Sieger Aluminium Systems have recently launched two new bifolding door systems to create ground-breaking architectural designs. The Sieger Lux and Sieger Super Lux bifolding doors are modern aluminium glazing systems that are the leaders in bifold door systems. These systems are fabricated in the Sieger factory based in Amersham, Buckinghamshire. The Sieger Lux Bifold Door is the slimmest thermally broken aluminium bifold door on the market, it has a 30mm profile which creates a vertical sightline of just 74mm. The glass is structurally bonded into the aluminium framing, creating exceptionally strong door openings with minimalistic framing. The minimal design is combined with high levels of thermal performance, impressive weather protection and stainless-steel mechanisms for a ground-breaking bi-folding door design. To enhance the contemporary aesthetic of architectural designs, the Sieger Lux Bifold Door can be manufactured to impressive sizes of 3 metres tall and 1. 2 metres wide (per pane), resulting in outstanding elevations of glazing. The height combined with the slim sightlines creates an impressive glazing installation for both residential and commercial buildings, enabling the maximum influx of natural light and minimal visual interruption. There’s no restriction to the number of bi-folding panes available in the configuration of this system, and with each pane being able to be manufactured to 1. 2 metres wide, these minimal bifolds can fill very wide openings. The Sieger Lux Bifolds, are available in a variety of configurations including corner opening, bi-parting and either inward or outward stacking. “A large configuration of the Sieger Lux Bifolding Door is available to view at the Sieger Showroom within the Sky House Design Centre in Amersham. This three-pane bifold in the Sieger showroom measures 3 metres tall to showcase how these slim aluminium bifolds look in-situ. ” The Sieger Lux Bifold door is the slimmest bifolding door, whereas the Sieger Super Lux Bifolding Door is the tallest bifolding door available on the market. The Super Lux aluminium bi-fold is an upgraded version of its slim framed sister, offering outstanding glass elevations. The significant differences between these systems are the stabilising wind post and the height that these bifolds can be manufactured to. This bifolding door system uses the same 30mm frame profiles as the Lux but includes an additional stabilising wind post which allows the high ceiling bi-fold doors to achieve the impressive heights of 5 metres tall. Overall with the wind post included, the sightline is 144mm wide which is impressively slim for the height of the system. The Sieger Super Lux Bifolding Door answers the markets call for bigger glass units, taller openings and higher performance. The aluminium profiles contain a full thermal break. Allowing the bifolding door to maintain high levels of thermal insulation with typical Uw values from 1. 6 W/m2K. The system has been fully tested for air permeability, water-resistance and wind loading. To arrange a showroom visit to the Sieger Showroom in Amersham simply call us on 01494 722 882 or email us sales@siegersystems. co. uk. During the showroom visit, you will get a one-to-one tour of the showroom and will be able to see the Sieger Lux Bifolding Door in person along with the various other glazing systems.



Sieger Slim Sliding Doors were featured twice within the magazine Slim framed aluminium sliding doors can make a huge difference to the architectural design of properties as the connection to the outdoors is stronger and the amount of uninterrupted light allowed into the property is abundant. The Sieger Slim Sliding Door was featured in an article called a ‘spotlight on patio doors’ which showcased how sliding patio doors can be used to let the outdoors in. “The Sieger Slim system has a vertical sightline of just 20mm, creating a minimalistic frame finish with little interruption to the surrounding views. Offering a completely flush finish, the base system has been designed with integrated drainage to deal with extreme wet weather. ” External sliding doors are an excellent method to increase the connection to the outdoor living spaces, especially when space is limited as the sliding doors do not require any internal or external space to stack – which aluminium bifolding doors require. The beauty of the Sieger slim sliding patio doors is the elegant framing they posses which creates a very minimal finish. “Choosing the right patio door can make a huge difference to the comfort, security, appearance and value of your home. Whether you want to achieve a better view, bring in more light, or improve access to your garden, a patio door creates the perfect connection between the indoors and outdoors. ” The Sieger Slim Sliding Door “is one of the most minimalistic systems on the market” to achieve a highly contemporary, minimalistic architectural designs. The modern aesthetic of these sliding doors fits perfectly with the other slim aluminium framed systems from Sieger, such as the award winning Sieger Slim Casement Windows. To see the Sieger Slim Sliding Doors in person, visit the Sieger showroom where you can have a 1-2-1 showroom tour and see various finishes for the frames of the aluminium sliding doors.



Are bifold doors right for your project? Bifolding doors are one of the most popular options to create a seamless transition between indoor and outdoor environments. Bifolding doors come in a choice of designs, from slim framed minimalistic systems to steel look bifolds that have a crisscrossing glazing bar design. Choosing between bifolding and sliding doors is usually the hardest decision when it comes to choosing the right glazing system for large openings. There are many benefits to each system and it really comes down to which is the best option for the needs of the homeowners. When choosing between these glazing systems, one of the main elements to consider is how often the bifolds will be pushed back fully to open the whole aperture (especially in the UK). Emily Brooks from Build It Magazine explains that with bifolding doors “you’ll get a lot of framing... this can be perceived as an irritant when it comes to sightlines” because with sliding doors you can achieve a very minimalistic finish which enables the homeowners to enjoy uninterrupted views of their garden all year round – however you cannot open up the whole aperture like you can with bifolds. Emily Brooks goes on to explain “If the thickness of the frame is a problem, then there are ultra-slim versions available but at a slightly higher price point... for extra tall bifolds, look at Sieger® Systems” new Super Lux Bifolding Door which can achieve heights of 3,000mm plus – something that is usually only available with sliders”. Sieger® Systems was featured on page 85 in the August 2019 edition of Build It Magazine in an article that discussed all the benefits and options for bifolding doors.  Quarrendon Street’s aluminium bifolding doors were featured within this article to showcase the design possibilities available with bifold doors. The Sieger® Legacy Bifolds was the centrepiece of this residential renovation in London to achieve a steel look aesthetic. To read this full article pick up the August 2019 issue of Build It Magazine or to see the Sieger® Legacy range in-person visit the Sieger® showroom in Amersham. To arrange a showroom appointment email sales@siegersystems. co. uk or call 01494 722 882.