The #901 Elastomeric Roof Coating is a highly reflective elastomeric roof coating that forms a seamless and flexible layer of protection for your roof. Fast drying, flexible, elastomeric coating adheres readily to most roofing substrates and provides a protective and reflective finish that will keep the sun's damaging rays from prematurely aging your roof. Durable coating designed to seal and dramatically reduce the surface temperature. Ability to expand and contract with the movement on the roof.