3M Marine Adhesive Sealant 5200 is extremely strong and retains its strength above or below the waterline. It also stays flexible, allowing for structural movement, and has excellent resistance to weathering and salt water.
Use 3M Marine Adhesive Sealant 5200 to seal joints and boat hardware. Our high performance polyurethane sealant chemically reacts with moisture to deliver strong, flexible bonds, retaining its strenght above or below the waterline. Our sealant has excellent adhesion to wood, gelcoat, and fiberglass, forming a watertight, weather resistant seal which becomes tack-free in 48 hours, and cure completely in 5 to 7 days.
Its flexibility also allows for dissipation of stress caused by shock, vibration, swelling, or shrinking.
