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.

3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
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3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
3M 94717, Cubitron ll Cloth Belt 947A, 80+ X-weight, 1 in x 30 in, Fabri-lok, Single-flex, 7010294445, 200 per case
3M 16299, PPS Lid Dispenser: Large, Standard, or Midi, 7100042072
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3M 66615, Cloth Belt 341D, 50 X-weight, 3 in x 21 in, Fabri-lok, Single-flex, 7000118855, 25 per case
3M 07414, Hand Sanding Metal Finishing Pad 7414NA, 4.375 in x 11 in, Maroon Medium, 7010315820
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 54285, Particulate Respirator 8271, P95, 7000002047, 80 EA/Case
3M™ 72122, Portable Compressed Air Filter and Regulator Panel 256-02-01, 100 cfm, 8 outlets, with Carbon Monoxide Monitor, 7000052147, 1 EA/Case
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
3M 26173, PPS Series 2.0 12-Pack Refill Kit, Standard (22 fl oz, 650mL), 200 Micron Filter, 7100166278
3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
Dynabrade 78127 3" Dia. Medium NWN VT DynaBrite Locking-Type Disc, 25/pack
3M 62614, Scotch-Weld Threadlocker TL71, Red, 250 mL Bottle, 7100039230, 2/case
3M 05203, Marine Adhesive Sealant 5200, White, 3 oz Tube, 7000118401, 6/Case 
