Excellent for Applications Above and Below the Water Line
3M Marine Adhesive Sealant Fast Cure 4200FC chemically reacts with moisture, delivering flexible bonds with good adhesion to wood, fiberglass, gelcoat, plastics and metals. This multi-purpose adhesive bonds dissimilar materials, forming a watertight, weather-resistant seal on joints and boat hardware above and below the waterline. The flexibility of 3M Marine Adhesive Sealant Fast Cure 4200FC allows for joint movement and stress caused by shock, vibration, swelling or shrinking. Permanently elastic, this medium strength sealant adheres to a wide variety of substrates and allows for disassembly of parts after prolonged use. Available in cartridge and sausage packs to meet your application needs.
Recommended Applications
- Fiberglass deck to hull
- Wood to fiberglass
- Portholes
- Deck fittings
- Rubrail attachment
- Sealing screwholes
- Stanchion supports
Designed to Endure Marine Environments
3M Marine Adhesive Sealant Fast Cure 4200FC is a part of our broad range of adhesive sealants uniquely formulated for the marine market. Designed for reliable performance, 3M Marine Adhesive Sealant Fast Cure 4200FC provides the strength and flexibility that can meet the demands of many tough applications.
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 10455, Cloth Sheet 481W, 220, 9 in x 11 in, 7010294811
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
Norton 66254432925 Wheel, 3" X 1/2" X 1/4" Bear-Tex, Rapid Blend, Non-Woven 5 Density, A/O, M Grit, 20 Each
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Dynabrade 58515 2-3/4" W x 7-3/4" L Dynabug II Orbital Sander, Central Vacuum, .11 hp, 8,000 RPM, 3/16" Orbit
Norton 66261009191 - 2" Blank Coarse Grade Rapid Prep Non-Woven Surface Preparation Disc, 25 Each
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
Standard Abrasives 713296, Aluminum Oxide Handy Roll, P320 J-weight, 2 in x 50 yd, 7100034517
3M 19772, Utility Cloth Sheet 314D, 9 in x 11 in P80 J-weight, 7000000359
Dynabrade 92033 3" Dia. x 120 Grit Ceramic Non-Vacuum DynaCut Locking-Type Disc, 25/pack
3M 06586, Marine, Adhesive, Sealant, 4000, UV, White, 400, mL, milliliter, Sausage, Pack, 7000121532, 12/ case
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 35124, Grippy Sanding Cloth Trial Kit, 7100230957
Standard Abrasives 713276, Aluminum Oxide Handy Roll, P180 J-weight, 2 in x 50 yd, 7100037246
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 58034 1-1/4" Dia. Right Angle Mini-Orbital Sander, 4K RPM, .4Hp, Rear Exhaust
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 31920 - 1-1/4" (32 mm) Static Conductive Hose, Black
3M 13180, Scotch-Brite Multi-Finishing Wheel, MU-WL, 2S Medium, 6 in x 3 in x 1 in, 7000148248
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
Standard Abrasives 727395, Buff and Blend Cross Buff HS, A/O Coarse, 2 in x 1/2 in x 2 Ply x 8-32, 7010299537
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 57814 3-2/3" W x 7" L Dynabug Orbital Sander, Central Vacuum, .28 HP, 10,000 RPM, 3/32" Orbit
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 47181, Polyurethane Adhesive Sealant 550FC Fast Cure, Black, 600 mL Sausage Pack, 7100197989, 12/Case
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
Standard Abrasives 260013, Cross Buff Kit 260013, 7000121667
Dynabrade 57810 3-2/3" W x 7" L Dynabug Orbital Sander, Non-Vacuum, .28 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 20279, Disc Pad Holder 947TH, 7 in x 1 in x 5/8-11 Internal Black T Hook, 7000118602 
