Rust-Oleum Tub & Tile Refinishing Kit is a two-part epoxy acrylic designed to provide excellent adhesion, durability and color retention in high moisture areas. It is ideal for use to renew ceramic tile and porcelain, fiberglass, acrylic, cast iron and steel tubs and sinks. It is not for use on galvanized steel or flexible plastic. Do not use on areas exposed to extreme heat such as stovetops, or constant high humidity environments. Do not use in continuous water immersion such as swimming pools, hot tubs, ponds or saunas.