NAIL - 16D GALV CASING, 1lb (#63198) | Gardner STA-KOOL+ Elastomeric Pro white roof coating is a high quality, flexible, white acrylic roof coating. Product is enhanced with silicone, for improved water resistance, adhesion and life expectancy. Product resists cracking, peeling, while offering tremendous durability and long term life. The coating forms a durable protective barrier which reflects the sun's heat and destructive UV rays. This coating can help reduce cooling costs by lowering roof temperatures and in turn minimizing interior heat gain.