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Flatglaze® Square, Rectangular or Circular Flat Rooflights


Flatglaze low profile rooflights

A sleek, low profile flat roof window available as square, rectangular or circular options.

Flatglaze® rooflights are the ideal choice for applications where the raised profile of conventional modular rooflights is not practical or desirable.

Delivery: 3 weeks (Specialist Handler). It will be the customer's responsibility to make arrangements to off load the product.

Product Information

  • Square, rectangular and circular rooflights available in a wide range of bespoke sizes
  • 28mm thick double glazed glass units comprising 6mm clear toughened glass outer with sandblasted frame; 18mm argon-filled cavity and 6.8mm Low-E laminated inner pane as standard. Other glazing options are available including self cleaning glass (minimum 15° slope)
  • Extruded aluminium polyester powder coated frame, in RAL 9010 (white) or RAL 9005 (black). Other RAL colours are available upon request. See the full range of RAL colours.
  • Clear glazing as standard. Tinted and other glazing options are available.
  • To be installed to a sloping, waterproofed builders kerb (by others)
  • Total product U-value of 1.4 W/m2k, exceeding the requirement for Part L compliance
  • Tested to ACR (M) 001:2005 and is classed as a 'B' Non Fragile rooflight
  • Suitable for use with all popular flat roof finishes
  • Weight: 35kg per m2
  • Come with 10 year guarantee.

Opening Options

Square or rectangular Flatglaze® roof windows available as manual or electrical hinged units (pictured right). Giving ventilation or roof access. Hinged units may be operated manually or by electric actuator.

Circular Flatglaze® roof windows are only supplied as a fixed window.

Popular Flatglaze® roof window sizes

The Flatglaze® low profile rooflights are made to order and can be produced to any required size subject to the following surface areas:

Square & rectangular custom sizes are available up to 3.6m2

Circular custom sizes are available up to 2.5m2/1.8m diameter

Larger sizes can be supported with the use of a glazing bar (supplied by others).

Our most popular sizes are:

FG-1 600x600FG-8 900x1200

FG-2 600x900FG-9 900x1500

FG-3 600x1200FG-10 900x1800

FG-4 600x1500FG-11 1000x1000

FG-5 600x1800FG-12 1000x1800

FG-6 750x750FG-13 1200x1200

FG-7 900x900FG-14 1500x1500

All dimensions are in mm and represent an approximate structural roof opening size. Please add 150mm for the maximum external waterproofed upstand/kerb that the rooflight will fit to with the internal measurements you confirm eg. a FG1 600x600mm will only fit a 750x750mm external upstand/kerb size. For clarification please contact our sales office.

Ordering Information

Availability is 3 weeks from order.

All our FlatglazeĀ® Rooflights are made to order. Please see the size section above and download our fact sheet so you can accurately size your rooflight before calling so that we can provide you with an accurate quotation.

Please call 0114 2548815 for a quotation.

For the full specification of this product please download our fact sheet below.


Flatglaze rooflight Flatglaze rooflight

Flatglaze® Low Profile Flat Roof Window

Flatglaze hinged rooflight

Available as a manual or electrically operated
hinged roof window

Flatglaze circular rooflight

Circular low profile roof window