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. We formulated our sealant to provide an exceptionally strong solution for marine conditions as well as flexibility that combats vibrations, swelling, shrinking or shock. Once again, despite the barriers of a rough marine environment, 3M looked to science to provide a reliable, durable solution.
Designed to Endure Marine Environments
3M™ Marine Adhesive Sealant 5200 is a part of our broad range of adhesive sealants uniquely formulated for the marine market. Designed for reliable performance, 3M Marine Adhesive Sealant 5200 is the most trusted sealant in the industry for permanent, high strength bonding.
Understanding Polyurethane Sealants
Polyurethane sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Polyurethane sealants are available in a wide variety of Shore A hardness, open time and colors to meet many application needs. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges and 400ml/600ml sausage packs.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

Standard Abrasives 726017, A/O R8 Straight Precision Cartridge Roll, 1/2 in x 1-3/4 in x 1/4 in 180, 7100098766
Insize 0110-1125, ANEMOMETER, 6974029776595
Standard Abrasives 800025, Mini Cross Buff Kit, 7000121826
Dynabrade 77758 4-1/2" Dia. x 7/8" Center Hole, 60 Grit, Z/A, Type 27, DynaCut Flap Disc W/Fiberglass, 10/pack
3M 26115, PPS Series 2.0 Cup, Mini (6.8 fl oz, 200 mL), 7100284626, 4 Cartons/Case
Dynabrade 95745 1/4" NPT Speed Regulator
3M 16298, PPS Lid & Liner Dispenser: Mini & Micro, 7100042777
3M 26141, PPS Series 2.0 Adapter, Type S44, 3/8 Female, 19 Thread BSP, 7100158892
Dynabrade 77761 4-1/2" Dia. x 7/8" Center Hole, 36 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack
3M 54370, Particulate Respirator 8576, P95, with Nuisance Level, Acid Gas Relief, 7000002061, 80 EA/Case
3M 64279, Cubitron II Stikit Film Disc 775L, 180+, 5 in x NH, Linered w/Tab, Die 500X, 7100075690, 250 per case
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354
3M 02405, Utility Cloth Sheet 211K, 9 in x 11 in 220 J-weight, 7010299775
Norton 66261126299 - 2" X 50 Yard 80 Grit Metalite™ Aluminum Oxide Cloth Roll, 1 Each
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 14270, Disc Pad Face Plate, 4-1/2 in Hard Black, 7000144144 
