3M Marine Adhesive Sealant Fast Cure 4200FC bonds and seals fiberglass, gelcoat and wood. Ideal for rub-rails, stern-joints, deck and through-hull fittings, and access plates. Medium strength allows for disassembly. Bonds and seals fiberglass, gelcoat and wood. The ATG tape system delivers a controlled application of the adhesive while the liner rewinds into the ATG applicator. It bonds on contact, and works on a variety of substrate or material combinations. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.