* Adhesive sealant* High performance polyurethane adhesive sealant becomes tack free in 48 hours, cures completely in 5 to 7 days* Strong seal retains strength above or below the waterline* Stays flexible and allows for structural movement* Absorbs stress caused by shock, vibration, swelling or shrinking* Excellent resistance to weathering and saltwater* Easy application with caulking gun, remains workable with trowel or spatula up to four hours after application* Bonds and seals fiberglass, wood, portholes and deck fittings, hull seams, stern joints, deck housing and more* Black* 10.1 oz