KBS UnderCoat Rubberized Undercoating provides protection in wheel wells, gas tanks, frames, quarter panels, fenders, undercarriages, hoods, decks, floor pans and any other location subject to harsh road conditions. The unique coating produces a very tough, yet flexible film with excellent adhesion to metal or painted surfaces in a desirable matte black finish. Once fully cured, KBS UnderCoat will help prevent road salt and grime from eating away at your car's metal and fiberglass surfaces. UnderCoat had additional features, such as economical paintable durability, plus moisture resistance & corrosion resistance, and even reduces road noise!