Repairs holes, cracks, and tears in fiberglass. 3M Fiberglass Cloth is used with our All-Purpose Fiberglass Resin to aid in repairs and add extra strength. Fiberglass cloth is the right product to use when making cosmetic repairs. The thin fiberglass cloth material is easier to work with and easier to hide when finishing. 3M Fiberglass Cloth is used with All-Purpose Fiberglass Resin to aid in repairs and add extra strength. Fiberglass cloth is the right product to use when making cosmetic repairs. The thin fiberglass cloth material is easier to work with and easier to hide when finishing than fiberglass matting. Eight square feet. Use with 3M Fiberglass Resin when a reinforced repair is needed.
