UK Fibreglass GRP Roofing Kits
Shop complete GRP roofing kits, liquid roof repair systems, overlay solutions, trims, resins and flat roof protection from one specialist supplier.
What are you doing?
Composite Roof Adviser
Tell CRS what you are working on. The adviser can route the project, size systems and keep incompatible products out of the recommendation.
Not every flat roof needs the same system
Start with the job, not the brand name. CRS then takes you to the products and guidance that belong together.
New GRP Roof
300g, 450g, 600g and fire-rated kits with the system components required to complete the roof.
Shop GRP kits → 02Repair a Leak
Fast roof repair routes for felt, GRP, metal and other compatible surfaces.
Fix a leak → 03Overlay & Liquid Roofing
Liquid waterproofing and reinforced overlay systems for suitable existing roofs.
View systems → 04Components & Details
Trims, resin, topcoat, matting, corners, outlets, adhesives and preparation products.
Shop components →Choose the kit by duty, not guesswork
300g GRP
Small roofs, sheds, porches and lighter-duty applications.
MOST POPULAR450g GRP
The standard choice for garages, extensions and general flat roofing.
HEAVY DUTY600g GRP
More robust laminates for demanding or higher-traffic roofs.
SPECIFICATIONFire Rated
Fire-rated GRP system options where the project requires them.
Roofing supplies backed by people who understand the system.
CRS is built around complete roof routes, technical support and practical product selection, not just a catalogue of buckets and trims.