multi-use adhesive sealant / for gaskets
05206 3M



  • Formulated for:


  • Other characteristics:

    for gaskets


Permanent bonding – above and below the waterline
Industry standard for over 50 years
Offers extended working time
Achieves handling strength in 48 hours
Tough and flexible polyurethane polymer forms strong bonds
Capable of retaining strong bonds during vibration, swelling, shrinking or shock
3M™ Marine Adhesive Sealant 5200 is a one-component, high-strength, moisture-curing, gap-filling polyurethane for permanent bonding of wood, gelcoat and fiberglass. It cures to form a firm, rubbery, waterproof seal on joints and boat hardware, above and below the waterline. This product has been trusted throughout the marine industry for over 50 years.

Tough and Flexible to Form Strong Bonds
Forming watertight seals, 3M™ Marine Adhesive Sealant 5200 (PDF, 35.41 Kb) offers permanent adhesion to wood, gelcoat and fiberglass. In addition, our marine adhesive sealant is flexible and allows for structural movement and dissipation of stress that may be caused by vibration, swelling, shrinking or shock. Available in both cartridge and sausage packs to meet your application requirements.

Recommended Applications
Fiberglass deck to hull
Through hull fittings
Wood to fiberglass
Portholes and deck fittings
Motors on fiberglass transoms
Under moldings
Hull seams above and below water line
Deck housing