PRODUCT

Sieger 110 bifold doors

Sieger 110 bifold doors overview

The Sieger 110 Bifold Door is a contemporary aluminium bifold door system designed for flexible, high-performance glazing projects. With a 110mm vertical junction, thermally broken aluminium framing and configurations that can span wide openings, the system is well suited to homes, extensions, developments and commercial spaces where indoor-outdoor living is central to the design.

Available in multiple opening layouts, including corner configurations and options with a traffic door, the Sieger 110 Bifold Door gives homeowners, architects, builders and developers a practical route to large glazed openings with strong thermal, weather and security performance.

Sieger Systems supplies and installs aluminium bifold doors across London, Buckinghamshire, Berkshire, Oxfordshire, Hertfordshire, Surrey, Bath, Bristol and Somerset.

Premium performance

Bespoke made to order

Designed & made in the UK

PRODUCT FEATURES

Sieger 110 bifold features

110mm vertical junction

A 110mm vertical junction gives the system a strong, contemporary aluminium profile between folding door panels.

Up to 14 leaves

The bifold system can include up to 14 leaves, making it suitable for wide structural openings and large glazed elevations.

Strong thermal performance

Polyamide thermal breaks help achieve a Uw value of 0.8 W/m²K, supporting comfort and energy efficiency.

PAS 24 security

Internally beaded aluminium profiles and PAS 24:2012 enhanced security help protect residential and commercial spaces.

To learn more about additional features:

Technical performance

Frame design Minimal aluminium sightlines for a bright, contemporary appearance
Thermal efficiency Outstanding insulation performance to help reduce heat loss and energy costs
Large glass panels Supports expansive glazing panels up to 3 metres high
Security Enhanced security features designed to protect your home
Weather resistance Built to withstand demanding UK weather conditions year-round
Colour options Available in RAL colours, matt, gloss, wood-effect and dual-colour finishes

GLASS OPTIONS

  • Double glazed units
  • Glass units up to 48mm thick
  • High performance insulated glazing
  • Security glass options
  • Solar control glass
  • Any coated or laminated glass solution suitable for the system
  • Switchable tinted glass
  • Heated glass

Real projects

View our products in action.