Product Information

Triple glazed with UV protected polycarbonate, the circular X-Four rooflight complies with the maximum allowable Ud value of 2.2.

Benefits

  • GRP kerbed circular rooflight system.
  • Vented airspaces.
  • Air leakage meets Part L critetia.

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: