The 1000mm x 36m Cromar PRO GRP CSM Fibreglass Matting Roll 450GSM 16.5kg is designed for use in professional GRP roofing and waterproofing applications. Manufactured from high-quality chopped strand mat (CSM), this fibreglass matting roll provides reliable reinforcement, improving the strength and durability of composite structures. The 450GSM weight ensures optimal resin absorption and ease of handling, making it suitable for a variety of flat and pitched roof projects. Ideal for use with polyester resins, Cromar PRO GRP CSM matting delivers excellent coverage across large surface areas, ensuring a consistent and robust finish for all fibreglass installations.