Product Information

The X-Glaze rooflight range provides single, double or triple skin polycarbonate glazing units for direct fixing to a builder’s kerb or upstand. As there are no integral frames or kerbs, the usual range of Xtralite ventilation, access and other options are not available.

Also, the Ud value provided applies to glazing only, as — for Building Regulations purposes— the builder’s kerb or upstand forms an integral part of the roof not the rooflight.


The various glazing layers in Xtralite rooflights can be supplied in four types or colours: clear, opal, bronze or diffused—with the characteristics described below:
  • Clear Glazing
  • Diffused Glazing
  • Opal Glazing
  • Bronze Glazing

Thermal Efficency Table

The range primarily reflects the level of thermal efficiency (Ud value) and hence its suitability for particular applications. It is recommended that the appropriate X-Range be selected first using its Ud value as a guide, followed by the required size, shape and glazing.

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How to specify Xtralite rooflights

If you would like to specify exactly which configuration you require, click on the following to go to the specification guide:

To find a full range of PDF and CAD drawings for the Xtralite range, click on the following to go to the downloads section: