BIO PAINT STRIPPER HEAVY DUTY is a biodegradable, water-based paint remover. It is non-toxic, user-friendly, and environmentally safe. It removes the toughest industrial coatings, like epoxies and urethanes, from metal and concrete. This remover will effectively lift urethanes, latex, alkyd paints, and varnish, as well as most two-component epoxy coatings and fusion bonded epoxies from all types of substrates, including steel, aluminum, metal alloys, concrete, masonry, and stone.