Rust-Oleum Boat Bottom Antifouling Paint is perfect for use on fiberglass boats and all non-aluminum trailer boats in mild to moderate fouling conditions and is suitable for both fresh and saltwater. The protective coating slowly releases copper to prevent fouling below the waterline. For best antifouling performance, apply two coats and launch boat within 60 days.From the ManufacturerRust-Oleum Boat Bottom Antifouling Paint is a protective coating for surfaces below the waterline. This coating prevents the build-up of barnacles, algae and other marine growth.
