DescriptionBring natural light into your project with our 13/3 GRP Translucent Rooflight Sheets. Specifically designed to match the traditional 3 inch profile, they rooflights integrate seamlessly with our metal 13/3 corrugated sheets.Manufactured from high-grade 1.5mm GRP, these sheets are significantly more durable than standard DIY-grade PVC. While they offer a high 80% light transmission, the frosted finish ensures that light is diffused evenly across the building, reducing harsh glare and providing privacy.Specification Profile: 13/3 traditional corrugated Cover width: 990mm (when lapped) Profile height: 19mm Thickness: 1.5mm Light transmission: 80% (frosted finish) Minimum roof pitch: 4 degrees