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.
- Watertight Bonding/Sealing of Gelcoat/Fibreglass & Wood
- Ideal for Through-Hull Fastening, Deck Fittings, Railings & Transducers
- Cures in 24 hours
- High Strength - creates a permanent bond when used on wood & fibreglass