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Brett Martin Flat Glass Trade rooflight is a sleek and cost effective option when looking to install a fixed glass rooflight to an existing builders kerb.  Fully manufactured in the UK this quality glass rooflight is available in as little as 48 hours.

Simple to install whilst still offering an elegant look this rooflight is sure to impress both the homeowner and installer.

Accredited by Secured by Design based on independently assessed testing in accordance with PAS24:2016.

Brett Martin Fixed Glass fixed rooflight to suit a builders timber kerb. Beautifully designed contemporary double glazed laminated glass rooflight not only looks appealing but also is highly secure with P4A class resistance to burglary and vandalism for added peace of mind.

  • Fits directly to builders timber kerb
  • Fully sealed laminated double glazed unit
  • Aluminium frame powder coated RAL 7016
  • Thermally broken construction ensures no cold bridging

Delivery to mainland UK only in approximately 2 - 3 working days. 

Off-loading is the responsibility of the buyer.

Rooflight Size Glass Weight (kgs) Pallet Weight (kgs) Total Weight to Lift (kgs)
600 x 600mm 17.4 29.6 47
750 x 750mm 25.8 29.6 55.4
600 x 900mm 25 29.6 54.6
900 x 900mm 36 45.1 81.1
1000 x 1000mm 43.8 45.3 89.1
600 x 1200mm 32.6 45.1 77.7
900 x 1200mm 47.1 45.1 92.2
1200 x 1200mm 61.6 45.1 106.7
1000 x 1500mm 64.1 45.3 109

The Mardome Glass Trade top only unit is designed to suit a builders kerb, the critical dimension is the overall weathered kerb size.  If your external kerb measures 600mm x 600mm then you will order the corresponding 600mm x 600mm unit.

Glass spec:
Laminated double glazed unit comprising - 6mm toughened outer, 90% Argon filled cavity, 7.5mm laminated soft coat Low E inner with 1.5mm PVB interlayer

  • Centre pane U value of 1.1W/m²K
  • Glass specification is non fragile to CWCT TN67 class 1 for overhead glass
  • Acoustic noise reduction of 39 dB
  • Highly secure with P4A class resistance to burglary and vandalism (P4A to EN356)
  • Brett Martin Flat Glass units are suitable for flat roof applications with a pitch of 2°-15°. 2° is typical for a ‘flat roof’. If a
    roof is less than 2°, packers (not supplied) will need to be placed under the kerb of the unit or on the top of a builders
    upstand to raise to the minimum 2°. This is to prevent water ponding on the glass leading to rapid dirt build up.
  • Supplied with all fixings required

For datasheet please click here

For installation details please click here

For internal plasterboard finishes please click here



This product comes with a 10 year warranty on the unit & a 5 year warranty on the double glazed unit.

Brett Martin Flat Glass Fixed Rooflight | 900mm x 900mm

£600.93 Ex VAT

£721.12 Inc VAT

Overall Kerb Size:
900mm x 900mm

£721.12 Inc VAT

All Brett Martin rooflights are manufactured to order and therefore cannot be returned. Please ensure the size and spec is correct before submitting your order. There will need to be people on site to offload the unit on the day of delivery.

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