Ultra Seal™ is the best ELASTOMERIC coating available today. It is a premium quality ELASTOMERIC acrylic waterproofing insulating ceramic wall coating. Class A Fire Rating as per National Fire Protection Association NFPA 101 Life Safety Code (ASTM E 84-01). A high build coating with exceptional durability and weatherability. Fire retardant and excellent mildew resistance. A beautiful matte finish for most any surface, including most sloped roofs (10 year limited material warranty on roofs). Geographic use restrictions.