3M 10 Oz. White 24-Hour Fast Cure Marine Adhesive Sealant 5200

Extremely strong, retains its strength above or below water line. Stays flexible - allows for structural movement. Excellent resistance to weathering and salt water.

• A permanent solution for bonding marine substrates like wood, fiberglass, and metal
• Tough yet flexible polyurethane polymer is ideal for deck housings, hull fittings, porthole mounting, fiberglass transoms, and underside molding
• Resists saltwater and weathering both above and below the water line
• The flexible elastomeric bond absorbs the stress of vibration, swelling, shrinking, and shock
• Tack-free in 1-2 hours, fully cures within 48 hours