• Medium strength marine bonding allows for disassembly
• Formulated for fast cure, providing rapid results
• Tack-free in 1 hour and typically cures in 24 hours
• Above and below the water line applications
• Flexible and durable adhesion withstands stress

3M™ Marine Adhesive Sealant Fast Cure 4200FC is a one-component, medium-strength, moisture-curing, gap-filling polyurethane that delivers strong, flexible bonds to aluminum, wood, gelcoat and fiberglass. It forms watertight, weather-resistant seals above and below the waterline. In addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking.

 

Excellent for Applications Above and Below the Water Line 
3M™ Marine Adhesive Sealant Fast Cure 4200FC chemically reacts with moisture, delivering flexible bonds with good adhesion to wood, fiberglass, gelcoat, plastics and metals. This multi-purpose adhesive bonds dissimilar materials, forming a watertight, weather-resistant seal on joints and boat hardware above and below the waterline. The flexibility of 3M™ Marine Adhesive Sealant Fast Cure 4200FC (PDF, 443.47 Kb) allows for joint movement and stress caused by shock, vibration, swelling or shrinking. Permanently elastic, this medium strength sealant adheres to a wide variety of substrates and allows for disassembly of parts after prolonged use. Available in cartridge and sausage packs to meet your application needs. 

Recommended Applications 

• Fiberglass deck to hull 
• Wood to fiberglass
• Portholes
• Deck fittings
• Rubrail attachment
• Sealing screwholes
• Stanchion supports