Evercoat Sea-Glass 24oz Fiberglass Woven RovingThe Evercoat Sea-Glass Fiberglass Woven Roving is super-heavy, woven cloth for faster buildup and extra strength. Should be used in addition to mat and cloth to acquire the strength needed with minimal lay-up time. Use with polyester or epoxy resin in combination with glass mat where maximum strength and build-up are required. Heavy weight, high strength; 24 oz.; 50" x 1 yd. (1.38 sq. yds.);