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 41595, Polyurethane Sealant 540, Black, 310 mL Cartridge, 7100001804, 12/Case
3M 47181, Polyurethane Adhesive Sealant 550FC Fast Cure, Black, 600 mL Sausage Pack, 7100197989, 12/Case
3M 20360, Scotch-Weld Epoxy Adhesive 2216, Gray, Part B, 5 Gallon Drum (Pail), 7000046360
3M 51033, Roloc Disc 361F, 36 YF-weight, TSM, 3 in, Die RS300VM, 7000148150
3M 26132, PPS Series 2.0 Adapter, Type S37, 5/8 Male, 11 UNC Modified, 7100135949
Dynabrade 55242 Vane Set (4pk)
Dynabrade 07107 Vane Set (5pk)
Dynabrade 11287 Contact Arm Ass'y, 3/4" Dia. x 5/8" W, Rubber Wheel, with 3/4" Platen
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 40378 Rubber Drive Wheel, Mini Dynafile II
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 54705 Rotor/Vane Set
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
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 18570 Vane Set (4pk)
Dynabrade 52474 Vane Set (4pk)
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
3M 16055, Double Coated Tape 9420, Red, 1 in x 36 yd, 4 mil, 48 rolls per case, 7010372140
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M 13254, Scotch-Brite Roloc Surface Conditioning Disc, SC-DS, A/O Medium, TS, 2 in, 7000120667, 200 per case
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 01673, Scotch-Brite Light Deburring Wheel, LD-WL, 7S Fine, 12 in x 2 in x 5 in, 7000046055
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 13449, Scotch-Brite Metal Finishing Wheel, MF-WL, 5A Coarse, 12 in x 2 in x 5 in, 7010364521
3M 77198, Scotch Brite Roloc Deburr & Finish PRO Unitized Wheel, DP-UR, 8C Coarse+, TR, 2 in x 1/4 in x NH, 7100109131
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
3M 55745, Scotch-Brite Match and Finish Flap Brush, 4-1/2 in x 4 in x 5/8 in-11 5A MED, 7000121166
3M 05138, Scotch-Brite EXL Deburring Wheel, XL-WL, 9S Fine, 12 in x 1 in x 5 in, 7000046073
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 51301 .5 hp Straight-Line Die Grinder
Dynabrade 11254 Contact Arm Ass'y, 4-3/4" Dia. x 1/2" W
Dynabrade 97571 1/2" NPT Male Safety Coupler
Norton 66261014793 - 3" Medium Grade Aluminum Oxide Bear-Tex Speed-Lok High Strength Maroon TR Non-Woven Abrasive Disc, 80 Each
3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222
3M 06586, Marine, Adhesive, Sealant, 4000, UV, White, 400, mL, milliliter, Sausage, Pack, 7000121532, 12/ case 
