Mardome Flat Glass Skylight with Upstand - 750 x 750
Flat Glass Rooflight with Upstand
750mm x 750mm
Brett Martin Daylight Systems’ Flat Glass Rooflights are individual glass rooflights intended for installation on flat roofs of all modern building types to provide natural light (and ventilation where specified). Brett Martin Flat Glass Rooflights are manufactured to ISO 9001 industry standards.
Brett Martin Flat Glass exhibits a sleek and contemporary design with a slimline powder coated frame and flush fitting glass panel. All fixed Brett Martin Flat Glass rooflights achieve Secured by Design accreditation.
Design Features
- Premium rooflight offering a robust build as well as protection against intrusion or vandalism.
- Powder coated aluminium frame as standard (RAL 7016).
- Centre pane U-value of 1.1 W/m2K.
- Components of powered opening rooflights (230V) are completely concealed for an unobstructed light well.
- Tested to be non-fragile to CWCT TN-67 (for class 1 roofs)* and Class B non-fragile to ACR[M]001.
- For ease of installation, the tapered kerb foot does not require timber fillets and an integral clamp holds the roofing membrane in place and provides a clean external finish for all roofing types.
- Fixed rooflights achieve Secured by Design accreditation.
Composition
The double glazed glass panel is made up of: 6mm toughened outer, a 90% argon filled cavity, with a laminated inner (inc. 1.5mm PVB interlayer). The inner pane thickness varies with rooflight size, see table on page 3. All double glazed units include a soft coat Low E coating.
The frame is extruded aluminium, with a powder coating (RAL 7016) to provide a premium appearance and highly appealing finish, and is thermally isolated to provide excellent thermal performance. The kerbs are manufactured from Lead & Cadmium free un-plasticised PVC rigid multi-wall extruded profile, with internal white finish. The Glass, PVC-U and Aluminium which comprise the product can be recycled at the end of useful product life.
Thermal Performance
Brett Martin Flat Glass achieves a Ud-value (defined in accordance with NARM NTD02) of 1.16 to 1.66 W/m2K and a centre pane U-Value of 1.1 W/m2K which exceeds requirements of Approved Document L of the Building Regulations.
Acoustic Performance
Brett Martin Flat Glass units achieve a direct airborne sound insulation value of 38db (Rw). This value can be improved further by the fitting of a kerb acoustic pack. The acoustic pack is not available with vented or opening options.
Roof Applications
Brett Martin Flat Glass units are suitable for flat roof applications with a pitch of 2O-15O. 2O is typical for a ‘flat roof’. If a roof is less than 2O, 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 2O. This is to prevent water ponding on the glass leading to rapid dirt build up. A minimum of 4O pitch is required for sizes where both the length and width are larger than 1650mm.
Additional options
To enquire about additional options please call our office.
Special glass specifications including solar control, self clean/easy clean, and satin obscure
Steel security bars with white powder coated finish
GRP soaker for mounting to profiled metal roofing
A range of opening poles for operating manual opening rooflights
Opening controllers and accessories for controlling multiple powered opening rooflights
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