Cromar PROGRP Fibreglass Matting is a general purpose emulsion bound chopped strand mat designed to cover a wide range of applications by normal hand lay-up techniques. The mat is soft to handle and conforms well to complicated mould shapes. This high-quality mat is suitable for use with most types of unsaturated polyester resins. Resin penetration (wet through or working time) is rapid with a fast strand wet out time. Fibreglass matting for use with GRP As a component within the Cromar Pro GRP flat roofing system.Used to provide reinforcement to Cromar Pro GRP roofing system. Has outstanding handling and moulding properties.It is characterised by fast wet-out and wet-through.Easy air removal which leaves a resin-rich surface. PTDSIKDIR903489