Fixed Flatglass Rooflights

£415.00£1,415.00 (excl. VAT)


Free Delivery to Mainland UK*

3 - 5 working days. Next Day delivery available (order by 11am)

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Flatglass rooflights are made to suit external kerb sizes: Click here to view a drawing

Additional Information

Fixed Flatglass rooflights from Roofglaze are an effective and attractive daylighting solution for a wide range of project types. Our innovative rooflight design offers outstanding thermal performance and efficiency, all while maximising light ingress with minimal visible framework. The result is a product that offers the best in both form and function. 

We stock a range of Fixed Flatglass rooflights that are available for Next Day delivery (glass specification below). If the rooflight you need is not a part of our stock range, we can create a Bespoke Flatglass solution for you.

*Free Economy Delivery to Mainland UK (excl. Devon, Cornwall and Scotland).

If you require any further information, please feel free to contact our technical team with your enquiry.

Click to view the product drawings for our Fixed (Square / Rectangular) and Fixed Circular Flatglass rooflights.

Glass Specification

For stock sizes of Fixed Flatglass rooflights, our standard glass specifications are as follows:

4mm Heat Soak Tested Toughened Outer / 24mm Argon Filled Cavity / 4mm Soft Low-E Heat Soak Tested Toughened Inner


6mm Heat Soak Tested Toughened Outer / 20mm Argon Filled Cavity / 6mm Soft Low-E Heat Soak Tested Toughened Inner


8mm Heat Soak Tested Toughened Outer + Sandblast Border to Face 1 + Low-E / 16mm Argon Filled Cavity / 8.8mm Clear Laminated + Polished Edges

Please note that our Flatglass rooflights can be installed flat, but to avoid having water pooling on the rooflight we recommend a minimum pitch of 5° if possible.

Roofglaze’s Fixed Flatglass rooflights can be supplied as either double or triple glazed units, in varying shapes and sizes to suit different room layouts.

Maximum Standard Kerb Sizes

Double Glazed

  • Square: up to 1800mm x 1800mm or 3.3m2 as standard, up to 2300mm x 2300mm (via special order)
  • Rectangular: up to 4.9m2 (Toughened Glass) as standard, up to 7m2 (single pane, via special order)
  • Circular: up to 2.2m diameter for single pane, up to 3.2m diameter for multi-section rooflights

Triple Glazed

  • Square: up to 1800mm x 1800mm
  • Rectangular: up to 3m2 as standard
  • Circular: up to 1800mm diameter (single pane) 


Bespoke Flatglass rooflights can also be made to order to suit your specific project requirements.

Download the Fixed Flatglass NBS Specification, Circular Flatglass NBS Specification and BIM Object for this product.

Additional information

External Kerb Size

750mm x 750mm, 900mm x 1200mm, 1000mm x 1000mm, 1000mm x 1500mm, 1000mm x 1800mm, 1000mm x 2000mm, 1000mm x 2500mm, 1000mm x 3000mm, 1200mm x 1200mm, 1200mm x 2000mm, 1500mm x 1500mm

Frame Colour

Anthracite Grey (RAL 7016)

Glazing Type

4mm HST / 4mm HST Double Glazed, 6mm HST / 6mm HST Double Glazed, 8mm HST / 8.8mm Laminated Double Glazed