DRP Stripper Plus is non-corrosive and does not have to be neutralized. It can be used on interior and exterior surfaces including wood, concrete, brick, plaster, stone, metal, fiberglass and many other surfaces. An excellent choice for horizontal surfaces, clings easily to vertical surfaces. DRP Stripper Plus will remove most varieties of paints including oil and water-based paints, varnishes, latex, stains, acrylics, enamels, lacquers, and polyurethanes.