A 3M undercoating with corrosion protection, high-build capabilities, excellent spray pattern and coverage, and sound deadening qualities. This product gives the coarsest texture of all 3M undercoating products. Coarse texture helps to match desired OEM texture, helps keep customer satisfied with final appearance of repaired car. Easy to apply with good coverage that gives a consistent final appearance. High-build capabilities let you match many desired thicknesses. Great sound deadening product that significantly reduces chipping and road noise. Black, rubberized, protective coating developed primarily for use as a sound deadener, protective coating, and underseal. Bonds to a wide variety of surfaces. Use with applicator gun, part number 08997.