Choosing the Correct Fibreglass Matting for a GRP Roof

There's all kinds of conflicting suggestions on just how many layers and what weight of fibreglass to use on a roof. Here's a quick video to explain what fibreglass matting we recommend you use with the Fibrelast GRP roofing system. A more in-depth fibreglass matting guide can be found on our dedicated GRP roofing site.