Will not turn brittle in sun or cold. Offers elasticity to move with the roof and strong adhesion to resist pulling away from substrate. Sticks to wet or dry surfaces including galvanized or aluminum flashing, vents, downspouts, copper or aluminum roofing, PVC or ABS vent pipe, neoprene or plastic pipe flashing, brick, block, mortar, concrete, fiber cement board, acrylic or polycarbonate skylight plastics, asphalt, wood, steel, paint, etc. Waterproof, repels water immediately after application and for years. UV resistant. Lasts longer than asphalt roof sealants. Low tack, 30-minute skin time, 1-week cure time. Paintable with latex paint in 24 hours, or oil-based paint within 1 week.