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FLAT ROOFING SUPPLIES · GRP SPECIALISTS · UK DELIVERY

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.

Shop GRP Roofing KitsUse Composite Roof Adviser
300g, 450g, 600g & fire-rated kitsTrade & DIYTechnical support
SHOP BY JOB

What are you doing?

NEW FLAT ROOFGRP Roofing KitsComplete kits for garages, extensions and outbuildings. FIX A LEAKLiquid Roof RepairFast repair for felt, GRP, metal and common roof defects. OVERLAY A ROOFOverlay SystemsWaterproof suitable existing roofs without choosing blind. FINISH THE JOBTrims & ComponentsEdges, resin, topcoat, matting, tools and primers. PROTECT A ROOFRoof ProtectionWalkways, protection pads and access solutions. NOT SURE?Ask CRSDescribe the job naturally and get the right route.
PROJECT HELP

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.

Ask, find or size anything for your project

Ask a technical question, search the live product catalogue, or tell the adviser your project size and what you need.

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GRP ROOFING KITS

Choose the kit by duty, not guesswork

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LIGHT DUTY

300g GRP

Small roofs, sheds, porches and lighter-duty applications.

 MOST POPULAR

450g GRP

The standard choice for garages, extensions and general flat roofing.

 HEAVY DUTY

600g GRP

More robust laminates for demanding or higher-traffic roofs.

 SPECIFICATION

Fire Rated

Fire-rated GRP system options where the project requires them.

COMPLETE GRP SYSTEM

Build the roof from the right components

Move from the complete kit into the exact resin, reinforcement, trims, preparation and tools that make up a GRP roof system.

View all GRP components →
Resin & TopcoatGRP roofing resin, topcoat and system liquids. Fibreglass Matting300g, 450g and 600g reinforcement routes. GRP Roof TrimsDrips, raised edges, walls and perimeter details. Primers & SealersPrepare compatible decks and substrates before laminating. GRP Roofing ToolsRollers, brushes, buckets and application equipment. Acetone & CleaningCleaning and preparation products for GRP work.
WHY CRS

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.

CRS Top TipsAsk the adviser →
1,300+Customer reviews
Trade + DIYClear routes for both
UK DeliverySpecialist roofing supply
Project HelpAdviser, calculators & guides
CRS HELP

Need help before you order?

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CRS Top TipsPractical roofing advice, installation guidance and common project questions.Delivery & ShippingCheck delivery information and shipping rates before placing your order.Contact CRSNeed technical or order support? Get in touch with the CRS team.
WhatsApp Help Product & order support