Galvanized metal, aluminum flashing, vent pipes, skylights, gutters, downspouts, ductwork, chimneys, glue down shingles and roof tiles (cedar shake, asphalt, cement, slate, and glazed tile), roof jacks, cables, air conditioning units, metal RV roof
WHERE NOT TO USE
Rubber roof membranes such as EPDM, polystyrene insulation or foam, Aquaseal®, Kynar®, Teflon®, polypropylene, polyethylene, silicone, waxes. Plastics not listed should be tested for compatbility before widespread use.