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 29860, Sanding Screen, 120 grit, 12 in x 18 in, 7100160860
Dynabrade 60051 .1 hp Straight-Line Quick-Change Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet
Dynabrade 51629 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 1/8" Collet
3M 25138, Scotch-Weld Threadlocker TL43, Blue, 10 mL Bottle, 7100039219, 10/case
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 04028, Scotch-Brite Hand Pad 7448, HP-HP, SiC Ultra Fine, Gray, 6 in x 9 in, 7100089226, 60/case
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
Dynabrade 93906 3" Dia. Continuous Rim Diamond Mounted Cut-Off Wheel
Standard Abrasives 840031, Quick Change Surface Conditioning FE Disc, A/O Coarse, TSM, Brown, 3/4 in, QS75KM, 7000046845, 50/case
3M 95412, Lead Foil Tape 420, Dark Silver, 3/4 in x 36 yd, 6.8 mil, 7000029006
Standard Abrasives 713638, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/8 in x 1 in x 2-3/4 in CM-2B, 7010294964
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 28817, STIKIT LOW PROFILE DISC PAD, EXTRA FIRM, 5 IN X 3/8 IN X 5/16 IN, 24 EXTERNAL, 7010361145
3M 76632, Roloc Disc 777F, 50 YF-weight, TR, 3 in, Die R300V, 7000045628
3M 08024, Adhesive Sealant 740 UV, Black, 290 mL Cartridge, 7100115542, 12 per case
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M 57894, 642WY 1/4" X 24", 50000 Mesh Diamond Cloth Belt, 7100230570
ACS Diamond Cloth Belt, CX1250 3/4" X 18" 250U
3M 08205, OEM Seam Sealer Tip, 3/8 in, Double-Rounded, 6 per bag, 7000118471
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 20245, Neoprene Rubber and Gasket Adhesive, 2141 Light Yellow, 5 Gallon Drum (Pail), 7000121216
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
3M 71346, 675L, 1" X 120", 125u, Diamond Microfinishing Film Belts, 7010534823
3M 16582, Accuspray Atomizing Head, Blue, 1.2 mm, 7010363219
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 08360, Urethane Seam Sealer, White, 310 mL Foil Pack, 7000036353, 6 per case 
