Precision Sealer Stripper works on acrylic, varnish, latex, lacquer, urethane, epoxy, and most any type of coating to remove sealer, paint, and coatings from concrete surfaces without harming concrete. It removes coatings in as little as 10 minutes, and can be removed with a power washer on exterior surfaces or a scrub brush and flat blade on interior surfaces. Alabama Pigment Co.