Rust-Oleum® Marine Coatings Topside Paint is a durable, weather-resistant coating designed to provide lasting gloss and color retention in harsh marine environments. Ideal for fiberglass, wood, or metal surfaces above the waterline, this topside paint delivers excellent UV protection, resists cracking and peeling, and maintains a brilliant finish over time. Its smooth, flexible formula is easy to apply and perfect for topside surfaces like hulls, decks, and railings.