Mad Dog MDPSM Smooth High Build Exterior Primer Quart Exterior water-based, non-toxic, stablizing primer that smooths rough and uneven surfaces Penetrates and prepares peeling paint, cracking stucco and galvanized metal, wood & concrete Doubles or triples the job life of most projects Chemically stabilizes surfaces by using a combination of glue-like and rubber band adhesives Covers 100 - 150 square feet per gallon