3M Marine Adhesive Sealant 5200FC Fast Cure White Polyurethane Sealant for Boat Fiberglass Wood Metal

3M Marine Adhesive Sealant 5200FC – Fast Cure White Polyurethane

When you need a bond that holds up against the relentless forces of water, vibration, and weathering, the 3M Marine Adhesive Sealant 5200FC delivers. Trusted by marine professionals and boat builders worldwide, this fast-cure polyurethane formula creates a permanent, watertight seal that flexes with your vessel — keeping water out and structural integrity in, season after season.

Key Features

• Fast cure formulation – reaches handling strength significantly faster than standard 5200
• Permanent, flexible bond – resists vibration, shock, and movement
• 100% waterproof – ideal for below and above waterline applications
• Excellent adhesion to fiberglass, wood, gelcoat, metals, and most plastics
• White color – clean finish for visible marine applications
• UV and weather resistant for long-term outdoor durability
• Paintable after full cure

Typical Applications

• Hull-to-deck joints and through-hull fittings
• Portlights, hatches, and hardware bedding
• Fiberglass, wood, and metal bonding on boats
• Below-waterline sealing and bonding
• General marine construction and repair

Specifications

• Brand: 3M
• Model: 5200FC (Fast Cure)
• Color: White
• Chemistry: Polyurethane
• Cure Type: Moisture cure (fast)
• Application: Marine / Outdoor