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.

Dynabrade 18426 Vane Set (4pk)
Dynabrade 55064 3/8"-24 Female 5/8"-11 Male, 1" Length
3M 82239, Scotch-Weld Epoxy Adhesive 420, Off-White, Part A, 5 Gallon Drum (Pail), 7100001144
Dynabrade 11004 Dynafile Screw-In Housing
3M 64448, Safety Stripe Vinyl Tape 766DC, Black/Yellow, 2 in x 36 yd, 5 mil, 7100170131
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
3M 28217, Cubitron II Roloc Disc 984F, 60+ YF-weight, TR, 3 in, Die R300V, 7010326790
ACS-CP Curved Edge Flap Disc, 4-1/2" Dia. X 5/8"-11 Center Thread, 60 Grit
3M 31467, Double Coated Tape 9737R, Red, 36 mm x 55 m, 3.5 mil, 32 rolls per case, 7000049264
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 22398, Roloc Disc 361F, 36 YF-weight, TR, 2 in, Die R200P, 7000000371
Dynabrade 11005 Dynafile Belt Housing Guard
Dynabrade 60206 - 3,000 lb. Jack with 1/2" Vi-Sorb Pad
Standard Abrasives 32953, PSA A/O Disc, 711880, 2 in x NH, 60, 7010310798
Dynabrade 01480 Vane Set (4pk)
3Mâ„¢ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
Dynabrade 07109 Vane Set (5pk)
Dynabrade 11518 Rubber Drive Wheel
Dynabrade 40378 Rubber Drive Wheel, Mini Dynafile II
3M 49689, PSA Cloth Disc 348D, 60 X-weight, 10 in x NH, Die 1000C, 7010326501
3M 57894, 642WY 1/4" X 24", 50000 Mesh Diamond Cloth Belt, 7100230570
ACS CX1250 Diamond Belts, 1/2" X 24" 200u
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 52474 Vane Set (4pk)
Dynabrade 54705 Rotor/Vane Set
ACS Diamond Cloth Belt, CX1250 3/8" X 24" 75U
Standard Abrasives 710335, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 60, 7100080015
3Mâ„¢ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272
3M 31936, Double Coated Paper Tape 410M, Natural, 1 in x 10 yd, 5 mil, 7010373939
3M 08369, MSP Seam Sealer, White, 310 mL Flexpack, 7000045483, 6 per case 
