Fixed Flatglass Rooflights

£475.00£1,295.00 (excl. VAT)

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.

Please feel free to call our Technical Team on 01480 474 797 or e-mail with your enquiry.

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


*Flatglass rooflights are made to suit external kerb sizes, click here to view a drawing.

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Additional Information

Glass Specification

For stock sizes of Fixed Flatglass rooflights, our standard glass specification is as follows:

6mm Heat Soak Tested Toughened Outer / 16mm Argon Filled Cavity / 6mm Low-E Heat Soak Tested Toughened Inner

Please note that Flatglass rooflights can be installed flat, but to avoid 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 in order 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.

For further information and expert technical support, please feel free to contact us via e-mail (, or give us a call on 01480 474 797.

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