3M 5200 Marine Adhesive Sealant 10oz. Cartridge
High performance polyurethane adhesive/sealant becomes tack free in 48 hours, completely cures in 5-7 days with no shrinkage. Retains its strength above or below the waterline. Stays flexible too – allows for structural movement. Has excellent resistance to weathering and saltwater. Won’t sag or flow in vertical or horizontal seams.