1708 Biaxial Fiberglass Cloth Mat Roll, 4″ X 360″ Heavy Duty Fiber Glass Cloth f
Pro-Grade 1708 Biaxial Construction: 1708 fiberglass cloth combines biaxial fabric with chopped strand mat for superior strength. 1708 Biaxial Fiberglass Cloth Mat Roll, 4″ X 360″ Heavy Duty Fiber Glass Cloth for Boat, Automotive and Roofing | DIY Epoxy & Polyester Compatible Fiberglass Repair Sheet.