Superior Rubberized Undercoating is a premium quality paintable surface protectant designed for Automotive applications. High build, fast drying, paintable undercoating which contains no asphalt. Extremely durable with excellent corrosion protection. Will form a hard, textured finish that will help prevent chipping and abrasions caused by stones and debris while inhibiting developement of rust. Easy to use in areas where there is overlap. Fast dry in 20 mins, paintable in as little as 45 minutes. Will not dull or turn brown, stays true black!