Oil-based all-purpose primer-sealer. Efficiently seals stains with strong hiding power: seals marks left by water, nicotine, smoke, graffiti, crayons, rust, etc. For interior and exterior use with any type of paint. Suits most surfaces: wood, plywood, masonry, metal, etc. Can be applied on or under all oil or latex paints with the use of pliers, roller, or spray gun. Dries within 2 hours. White.