Suitable for a tremendous range of projects, Bondo Fiberglass Resin can stand alone or be used with backing strips, tape, cloth or fiberglass mat for jobs where you need reliable strength. This trusted fiberglass resin is ideal for resurfacing bathtubs or showers and joins most surfaces together with a lasting bond. Its waterproof formula - this material can also be used for boat building -works as a sealer for concrete or damaged and rotted wood and it is excellent for repairing, rebuilding and recreating damaged fiberglass on snowmobiles, boats, personal watercraft and more. The cured resin is compatible with nearly any paint system including gel coat and marine paint.
The same high-strength polyester resin that is used to build most boats