Black Rust-Oleum Automotive Rubberized Undercoating Matte Spray paint-248656 15 oz: Is an easy-to-use black rubberized coating created for all types of vehicles. Unique undercoating material provides corrosive protection from water salt and other chemicals. Features a trusted rust preventive formula that provides a barrier from rust on cars trucks trailers and other recreational vehicles. Rubberized undercoating also helps to deaden sound and prolong the life of your vehicle.