Our VOC friendly waterbased undercoating provides protection on wheel wells gas tanks frames and floor pans. KBS UnderCoat produces a very tough yet flexible film with excellent adhesion and helps prevent road salt from eating away at your cars metal and fiberglass.Offers excellent adhesion to metal or painted surfaces. Provides economical durability plus moisture resistance and corrosion resistance all in a matte black finish. Also provides sound deadening by reducing road noise and vibration.