This GRP kerbed rooflight system is designed for circular rooflights whilst also complying with the maximum allowable U value (under Part L) of 2.2. Rooflights are triple glazed as standard with enhanced UV protected polycarbonate and vented airspaces—air leakage meeting Part L criteria.

For details of the Xtralite X-One Rooflight click here
For details of the Xtralite X-Two Rooflight click here
For details of the Xtralite X-Three Rooflight click here
For details of the Xtralite X-Glaze Rooflight click here

If you would like assistance at any time about any of the rooflights or would like further details of our range, then please do not hesitate to contact us on
01276 451555, e-mail us at info@nationaldomes.com or use this e-mail form
to contact us.