GAF WOB Acrylic TopCoat® (Biocide-Free) 5-GAL
Meets NSF Protocol 151 for rainwater catchment.
GAF WOB Acrylic TopCoat® (Biocide-Free) is a water based, acrylic elastomeric top coat that forms a monolithic coating that helps provide protection against damage from exposure to UV and weather elements.
New and existing metal, structural concrete, TPO, PVC, Hypalon®, EPDM, SPF, and asphaltic roofs. New TPO and asphaltic roofs should be weathered for at least 30 days. Do NOT use on gravel-surfaced roofs or shingle roofs.