Triple Glazed Flat Rooflight 2000 x 800mm
Bring more natural daylight into your home with our high-performance triple glazed flat rooflight. Designed for flat roof applications, this fixed, non-opening rooflight combines excellent thermal insulation, noise reduction and high levels of natural light transmission, making it an ideal choice for kitchens, home extensions, living spaces and other areas where additional daylight is needed.
Our flat roof skylights are manufactured using high-quality triple glazing and are suitable for both new and existing flat roof installations. The rooflight features a 6mm toughened, self-cleaning outer glass pane, helping to reduce maintenance while providing long-lasting performance.
With a U-value of just 0.83 W/m²K, this triple glazed flat roof window provides excellent thermal performance, helping to reduce heat loss and maintain a more comfortable indoor environment throughout the year. Triple glazing also offers improved acoustic insulation, helping to reduce external noise entering your home.
Glass Specification
- Triple glazed high-performance glass unit
- Low-E glass for improved thermal efficiency
- Argon-filled glazing for enhanced insulation
- 6mm toughened self-cleaning glass on the outer pane
- U-value: 0.83 W/m²K
- Excellent natural light transmission
- Designed for low maintenance and long-term performance
Flat Rooflight Dimensions
- External size: 2000 x 800mm
- Internal size: 1800 x 600mm
- Structural opening required: 1820 x 620mm
Benefits of a Triple Glazed Flat Rooflight
Choosing a triple glazed flat rooflight provides a range of benefits compared with traditional roof glazing:
- Improved thermal insulation – helps retain heat during colder months and provides better protection against heat transfer.
- Better noise reduction – triple glazing provides enhanced acoustic insulation, helping create a quieter and more comfortable interior.
- Reduced condensation – the improved thermal performance of triple glazing can help reduce the risk of condensation.
- More natural daylight – introduce additional daylight into rooms that may otherwise feel dark or enclosed.
- Energy efficiency – improved insulation can help reduce heat loss and contribute to lower energy consumption.
- Low maintenance – the self-cleaning outer glass helps keep the rooflight looking cleaner with less regular maintenance.
Custom Flat Rooflights
If you require a different size, Modern Rooflights can also supply custom rooflight solutions to suit your project requirements. Whether you are installing a rooflight into a new flat roof or upgrading an existing roof, our range of flat roof windows provides a practical way to increase natural light while improving the performance of your space.
For installation information and technical guidance, please see our Installation / Fitting Guide.
Rooflight Delivery
We offer nationwide delivery throughout Ireland, with delivery typically available within 2–3 days.










