Specification guide

1. Single Skin Rooflight

GRP rooflight specifications 
2. Site Assembled Triple Skin Rooflight
A typical assembly of three site assembled rooflight sheets, where the internal sheet could be replaced with a transparent insulation core.

GRP rooflight specifications

3. Factory Assembled Triple and Multi Skin and Insulated Core Assembly
A typical unit of outer skin and lining panel to match the metal composite, with one or multiple layer or transparent insulation internal to the box, of various designs to provide the requisite U-value

GRP rooflight specifications

If you have any queries relating to GRP rooflight specification, please contact the NARM technical committee admin@narm.org.uk

Further detailed information for specifiers can be found on our Downloads page.