Flat fixed rooflights for clear sky views
The Sieger AllGlass rooflight is a flat, fixed rooflight system designed to bring natural light into homes, extensions and architectural spaces throughout the year. With a thermally broken aluminium frame, concealed fixing system and clean glass finish, it creates clear sky views without adding unnecessary visual weight to the roof design.
Designed for modern homes, flat roof extensions, renovation projects and contemporary commercial spaces, the AllGlass Rooflight offers a simple, elegant way to brighten interiors while maintaining strong thermal performance and long-term practicality.
Sieger Systems supplies and installs flat fixed rooflights 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 allglass rooflight system features
Flat fixed design
Concealed fixings
Thermally broken fram
Replaceable glass unit
To learn more about additional features:
Technical performance
| System type | Flat fixed rooflight with concealed aluminium frame |
| Thermal performance | Typical U-value: 1.4 W/m²K |
| Maximum size | Rectangle: 2m x 1m | Square: 1.5m x 1.5m |
| Roof pitch | Suitable from 5-60 degrees |
| Required upstand | Minimum 150mm upstand required |
| Glass options | Low maintenance glass and solar control glass available |
GLASS OPTIONS
- Low maintenance glass
- Solar control glass
- Laminated inner pane
- Argon gas insulated cavity
- Switchable tinted glass
- Heated glass
