Fiberglass Chopped Strand Mat Roll 50″ X 360″, 1 Oz CSM Fiberglass Cloth Roll fo
Fiberglass Chopped Strand Mat Roll 50″ X 360″, 1 Oz CSM Fiberglass Cloth Roll for Boat Repair, Automotive, Waterproof, Resin & Epoxy Compatible Fiber Glass Sheet. Style CSM 1.0 oz. As a essential chopped fiberglass core, ideal for marine fiberglass, auto, and roofing projects.