Roof Mate™ Top Coat Technical Data Sheet BASIC USES & ADVANTAGES United Coatings™ Roof Mate™ Top Coat is designed to be used with Roof Mate™ Base Coat on existing metal, concrete, TPO, PVC, and most asphaltic membrane roofs. New metal and concrete roofs should be weathered for at least 30 days. New asphaltic, TPO, and PVC roofs should be weathered for at least 90 days. Note: For use on EPDM or smooth APP membranes, see gaf.com for more details. Do NOT use on gravelsurfaced roofs or shingle roofs.