Tough and flexible to form strong bonds forming watertight seals, 3M marine adhesive sealant 5200 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 combats vibrations, swelling, shrinking and shock 3M marine adhesive sealant 5200 is designed to meet the high demands of the marine environment, making it ideal for creating tough bonds resistant to saltwater and weathering.