Products / Western Colloid #790 AFC ElastaHyde

A water-based, 100% acrylic elastomeric reflective coating formulated for cold regions and for surfacing EPDM, new uncoated sprayed polyurethane foam, the maker's Fluid Applied Reinforced Roofing membranes and metal roofs; with polyester fabric it forms a reinforced fluid-applied membrane. The technical bulletin says it meets ASTM D6083-97a and lists white initial reflectivity of 84%, thermal emittance of 89%, an SRI of 106, a dry-film Class A under U.L. 790 and ASTM E108, and low-temperature flexibility passing at -15 degrees F. The product page headlines the coating as "#790 ARC" while its body copy, data sheet and product list call it "#790 AFC", and it also refers to a "#720 QS" quick-set formulation on this product's page.