Bring more natural daylight into your home with our high-performance round triple glazed rooflight. Designed for flat roof applications, this fixed, non-opening circular rooflight combines excellent thermal insulation, noise reduction and high levels of natural light transmission. Its 800mm diameter makes it an excellent choice for introducing natural light into a wide range of rooms while creating a distinctive architectural feature.
Our round flat roof skylights are suitable for both new and existing flat roof installations. This 800mm diameter rooflight is ideal for kitchens, home extensions, hallways, bathrooms, living spaces and other areas where you want to increase natural daylight without using a large roof opening.
The rooflight features high-performance triple glazing with a 6mm toughened, self-cleaning outer glass pane, helping to reduce maintenance while providing excellent long-term performance.
With a U-value of 0.83 W/m²K, the triple glazed rooflight provides excellent thermal insulation, helping to reduce heat loss and maintain a more comfortable indoor environment throughout the year. Triple glazing also provides improved acoustic insulation, helping to reduce external noise.
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
- Low-maintenance design
Round Rooflight Dimensions
- External diameter: 800mm
- Internal diameter: 600mm
- Structural opening required: 620mm diameter
Benefits of a Round Triple Glazed Rooflight
A round triple glazed rooflight provides an effective way to introduce more natural daylight while improving the thermal and acoustic performance of your flat roof. Its circular design provides an attractive alternative to conventional rectangular rooflights.
- Excellent thermal insulation – helps reduce heat loss and maintain a comfortable indoor temperature.
- Improved noise reduction – triple glazing helps reduce external noise for a quieter living space.
- Reduced condensation – improved thermal performance can help reduce the risk of condensation.
- Increased natural daylight – the 800mm diameter provides a generous glazed area to help brighten your room.
- Distinctive circular design – creates an attractive architectural feature within your home.
- Improved energy efficiency – better insulation can help reduce heat loss and energy consumption.
- Low maintenance – the self-cleaning outer glass helps reduce regular cleaning requirements.
Custom Round Rooflights
At Modern Rooflights, we can also supply custom rooflight solutions to suit different project requirements. Our round flat roof windows are suitable for a wide range of new and existing flat roof applications.
For installation information, structural requirements 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.






