Bondo® fiberglass resin is a strong material commonly used for autos, boat building and other repairs. This high-strength polyester resin can be used with fiberglass mats or cloths on surfaces including fiberglass, wood, metal and masonry to repair metal rust-outs and to recreate or join surfaces. It can also be used by itself as a wood or concrete sealer. It accepts nearly any paint system.

• Can be used alone as a sealer
• Compatible with all paints including gel coat and marine paint
• Includes Bondo® fiberglass resin liquid hardener for convenient, accurate mixing