Surface mat is manufactured similar in appearance to the chopped strand mat but is much finer. it is composed of fine fibreglass strands of various lengths randomly dispersed in all directions held together by a resin soluble binder. This material is used to provide a resin-rich layer in liquid or chemical holding tanks, or as a reinforcement for layers of gelcoat. This material is sold by the running yard or in bulk by the 250 meter roll. Width 38"