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 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
Dynabrade 14360 Pneumatic Pipe Belt Finisher
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
ACS Flap Disc, Type 29 (Curved) Full Diamond 4-1/2 X 5/8-11 60M, 333.FD4.5-60/T29
3M 20967, Portable Utility Cloth Roll 314D, P240 J-weight, 1 in x 20 yd, 7010290604
3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
Dynabrade 51708 .1 hp Straight-Line Pencil Grinder, 35,000 RPM, 3/32" Collet
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 05228 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 3-1/2 in x 15-1/2 in, 7000028435
Dynabrade 58513 2-3/4" W x 6-7/8" L Dynabug II Orbital Sander, Non-Vacuum, Vinyl Pad, .11 hp, 8,000 RPM, 3/16" Orbit
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 19770, Utility Cloth Sheet 314D, 9 in x 11 in P120 J-weight, 7000000358
Standard Abrasives 725012, Buff and Blend Cross Buff HS, A/O Medium, 1-1/2 in x 1/2 in x 2 Ply x 8-3, 7000046830
Standard Abrasives 712149, Aluminum Oxide Handy Roll, P100 J-weight, 1-1/2 in x 50 yd, 7010295370
Standard Abrasives 725001, Buff and Blend Cross Buff GP, A/O Medium, 1-1/2 in x 1/2 in x 3 Ply x 8-32, 7010330368
Standard Abrasives 727398, Buff and Blend Cross Buff HS, A/O Coarse, 2 in x 3/4 in x 2 Ply x 1/4-20, 7010369357
Standard Abrasives 725011, Buff and Blend Cross Buff HP, A/O VFN, 3/4 in x 3/8 in x 2 Ply x 8-32, 7000047134
Standard Abrasives 840137, Quick Change Surface Conditioning GP Disc, Coarse, TSM, 1 in, 7000121648, 50 per case
3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
Dynabrade 58504 3-1/4" W x 5" L Dynabug II Orbital Sander, Self-Generated Vacuum, .15 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
Standard Abrasives 840135, Quick Change Surface Conditioning RC Disc, A/O Medium, TSM, MAR, 1 in, Die QS100NM, 7000046852, 50/case
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 62817, Adhesive Sealant 760 UV, Black, 290 mL Cartridge, 7100139449, 12/Case 
