3M Marine Adhesive Sealant

Professional Grade Marine Adhesive Sealant for Permanent Bonding

This high strength polyurethane marine sealant is designed for permanent bonding and sealing in demanding marine environments. It provides exceptional adhesion above or below the waterline, cures without shrinkage, and remains flexible to withstand vibration and movement. Ideal for fiberglass, wood, and hull-to-deck applications, it delivers reliable performance for long term marine repairs and construction.

Features

• Extremely strong permanent bond above or below the waterline
• Polyurethane formulation cures without shrinking
• Tack free in approximately 48 hours
• Full cure achieved in 5 to 7 days
• Remains flexible to absorb stress and vibration
• Bonds fiberglass to fiberglass and wood to fiberglass
• Workable for up to 4 hours after application
• Will not sag or flow in vertical or horizontal seams
• Easily applied using a manual caulking gun

Product availability varies between locations, and some products are only available online. Please contact your nearest Martin Motor Sports here for availability.