3M 20128 Bondo Fiberglass Cloth - 8 Sq. Ft.

Bondo Fiberglass Cloth provides structural reinforcement for stronger repairs and must be used with Bondo Fiberglass Resin PN 401, 402, 404 (sold separately). The product repairs holes, cracks and gaps. When used with Bondo Fiberglass Resin, repairs are 100% waterproof, making the products ideal for tub, shower, sink, pool, hot tub, boat repair and more. Bondo Fiberglass Cloth is slightly thinner than fiberglass mat, making it easier to work with and easier to hide when finishing. This product can also be used on additional surfaces such as wood, concrete and metal to provide extremely strong, durable and waterproof repairs.