Klean-Strip Industrial Strength Stripping Gel. Half Gallon. A powerful, industrial-strength remover. Easy to use because it stays wet and active for up to 24 hours, allowing stripping of multiple layers in one step. Contains no methylene chloride, is non-caustic and is safe for indoor use. Has a pleasant citrus scent and is biodegradable. Use to remove multiple layers of latex and oil-based paint, varnish, lacquer, enamel, polyurethane, shellac, acrylics and epoxy from wood, metal and masonry surfaces.