BLK POLYURETHANE SEALANT

A permanently flexible sealant with a durability rating in excess of 50 years. Use around expansion joints, siding, skylights, doors, windows, flashing, fascia, shingles, and concrete foundations. Provides maximum adhesion to most construction materials including glass, metals, wood, brick, masonry, fiberglass, stone, and plastics. Forms a skin upon exposure to moisture in the air in 2 to 4 hours and is fully cured in 24 to 48 hours. Paintable and stainable when cured. Waterproof and resistant to the effects of the sun (ultraviolet and infrared rays), temperature extremes, and atmospheric hydrocarbons. 10.1 Fl. Oz. cartridge.