Rust-Oleum® Marine Coatings Topside Paint is an oil-base alkyd which provides gloss retention and UV resistance in extreme weather conditions. Apply to fiberglass, wood or metal surfaces above the waterline. Flexible formula is easy to apply. FEATURES: UV resistance. Durability and abrasion resistant in extreme weather conditions. Gloss retention. FOR BEST RESULTS: Applying two or more coats in one day or applying excessively heavy films will lead to insufficient drying of paint.