Flat Roof Window | Flat Glass Rooflight | Manual Opening | Brett Martin - Glass Flat Roof Skylight, manual opening

The Flat Roof Window / Manual Opening Flat Glass Rooflight / Skylight by Brett Martin offers controllable ventilation by means of a spindle gear and is operated from floor level using a Winding Rod which is included with the roof window (maximum ventilation is approximately 300mm).

You may be interested to know that the Flat Roof Window Manual Ventilation Rooflight can contribute towards room ventilation as required by approved document F of the English Building Regulations. 

The Brett Martin Flat Glass Skylight is the perfect addition to any domestic or commercial property due to its sleek contemporary design, quality UK manufacture and durability which will help to transform your vision into realty. 

The Brett Martin Flat Glass Skylight centre pane achieves the exceptional U-Value of 1.83 W/m2K which exceeds the current requirements for Part L Building Regulations due to the outstanding thermal efficiency of the double-glazed units.

Unlike many other roof windows on the market, the Brett Martin Flat Glass Skylight benefits from a laminated inner pane which provides safety to anyone beneath the rooflight, thus minimising the risk of glass falling into the space below in the unlikely event that either glass pane should break.

The slimline thermally broken full aluminium frame of the Brett Martin Flat Glass Skylight comes finished in RAL 7016 Anthracite Grey internally and externally thus ensuring maximum light can enter into the room via the Rooflight compared with other skylights with chunkier and bulky frames. The Brett Martin Flat Glass Skylight range are manufactured to ISO 9001 industry standards.

These Premium Glass Roof Windows offer an incredibly robust build with superb protection against intrusion and vandalism. The rooflight design incorporates secure fixing assembly to prevent invader intrusion when supplied with the PVC kerb option. 

This Premium Flat Glass Roof Skylight is available in a wide selection of popular sizes in order to provide you with the most suitable source of natural light for your project (and ventilation where specified). Rooflights are manufactured here in the UK to ISO 9001 industry standards.

The double-glazed glass panel is made up of: 6mm toughened outer, a 90% argon filled cavity, with a 6.4mm laminated soft coat Low E inner (overall thickness of 32.4mm). Please note that for larger sizes of roof window, the inner pane thickness is increased to 8.8mm, 9.5mm or 11.5mm.

Due to the design of the Brett Martin Flat Glass Skylight range, the rooflights are suitable for flat roof applications with a pitch of 2 to 15 degrees to prevent water ponding onto the glass leading to rapid dirt build up (as a guide, 2 degrees is currently the typical 'flat roof' in the UK).

The glazing units used within the Brett Martin Flat Glass Skylight range achieve a direct airborne sound insulation value of 37db (Rw).

As with all rooflights, ventilation can help reduce humidity and the risk of condensation. We therefore highly recommend the addition of Trickle Vents, especially if the skylight is to be installed in any area of high humidity such as a kitchen or bathroom. The Trickle Vents are only available where the PVC Kerb option is required.

The rooflight benefits for 10 Year Manufacturers Guarantee although the units are expected to remain fit for purpose in normal industrial conditions for a period of 20 years, meaning that they will not lose significant structural integrity, become perforated or distort to the extent of losing weather-tightness.

Please Note: The hole size (structural opening) that needs to be cut for this rooflight is the size of the rooflight. i.e 600x600mm rooflight = Hole size of 600x600mm

The daylight size will be 150mm smaller than the Rooflight size (i.e. the 600x600mm rooflight would provide a daylight size of 450x450mm)

• Thermally broken construction
• Efficient, safe, and versatile flat glass rooflight
• Glazed unit simply screw fixes to uPVC kerb.
• Standard uPVC kerb provides 150mm roof membrane termination height.