3M Below Water Marine Sealant Replacement

3M Marine Adhesive Sealant is a fast-curing white polyurethane that chemically reacts with moisture to quickly deliver strong flexible bonds with wood and fibreglass.

Creates water-tight seals above and below the waterline and ideal for use when installing through-hull fittings.

88ml tube

Part no:  3M 5220 Marine Sealant