Lucas #1044 Sunscreen™ White Elastomeric Roof Coating is an acrylic elastomeric roof coating intended for application to concrete, metal, Elvaloy/PVC, EPDM, polyurethane foam, asphalt BUR and granule surfaced roofs. A high degree of rubber-like elasticity allows this product to accommodate wide swings in temperature and significant building movement. This product is formulated from elastomeric acrylic polymer. This is a water-based material and must be kept from freezing.