3M Marine Adhesive Sealant 4200FC, Fast Cure, Black, 295 mL Cartridge, 12/Case

• FAST CURING: Formulated for fast cure and rapid results, its tack-free in 1 hour and typically cures in 24 hours
• FLEXIBLE BONDS: Durable elastomeric adhesion maintains joint movement and withstands stress caused by shock, vibration, swelling and shrinking
• HIGH-PERFORMANCE SEALING: Form weather-resistant, malleable bonds between dissimilar surfaces and a wide range of marine substrates like wood, fiberglass, and metal
• MULTI-PURPOSE MARINE SEALANT: This medium-strength marine sealant bonds portholes, deck fittings, rub rails, screw holes, and stanchion supports while still allowing disassembly
• READY FOR WET CONDITIONS: Excels in applications both above and below the water line

3M Marine Adhesive Sealant Fast Cure 4200FC is a multi-purpose adhesive sealant made specifically for the marine market. This medium-strength adhesive forms a weather-resistant seal that still allows for disassembly. It's unique formula reacts with moisture to cure fast, forming a tack-free skin in 1 hour and fully curing in 24. Ideal for use above and below the waterline, it reliably bonds dissimilar materials including wood, fiberglass, gelcoat, plastics, and metals. Polyurethane sealants such as this form permanently flexible, elastomeric bonds that seal against the elements, maintain joint movement, and absorb stress caused by shock, vibration, swelling or shrinking. Such durability, versatility, and flexibility prepare 3M Marine Adhesive Sealant Fast Cure 4200FC for tough applications like sealing portholes, deck/hull fittings, rub rail attachment, screw holes, and stanchion supports.

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.

Trusted 3M Marine Sealant

The 3M Marine Adhesive Sealant 4200FC is designed specifically for marine use, offering a fast cure formula that forms a tack-free skin in just 1 hour. This black sealant comes in a 295 mL cartridge, making it easy to apply and reliable for tough marine environments.

Its fast curing time means you can expect rapid results, with full cure typically achieved within 24 hours. This ensures your projects move quickly without sacrificing quality or durability.

Flexible Durable Bonds

This 3M model creates elastomeric bonds that remain flexible under stress, accommodating joint movement caused by shock, vibration, swelling, or shrinking. The medium-strength adhesive maintains its hold while allowing parts to be disassembled if needed.

Its flexibility makes it ideal for bonding dissimilar materials such as wood, fiberglass, and metal, ensuring long-lasting performance in marine applications like deck fittings and rub rail attachments.

Versatile Marine Applications

The 4200FC sealant is multi-purpose, suitable for sealing portholes, deck fittings, screw holes, and stanchion supports. Its formulation supports a variety of marine substrates, providing a weather-resistant and watertight seal above and below the waterline.

Available in a 12 per case pack, this format supports efficient use for multiple projects or larger scale marine repairs, making it a practical choice for professionals and enthusiasts alike.

Reliable Weather Resistance

Designed to endure harsh marine environments, this 3M sealant withstands exposure to water and weather conditions without losing adhesion. It excels both above and below the water line, ensuring your seals stay intact in challenging conditions.

The black color of the 295 mL cartridge matches many marine surfaces, providing a clean, professional finish while protecting joints from moisture and environmental damage.

Convenient Cartridge Format

The 295 mL cartridge format of the 3M Marine Adhesive Sealant 4200FC allows for easy dispensing and precise application. This packaging supports controlled use, reducing waste and improving efficiency on the job.

Sold in cases of 12 cartridges, this pack size is ideal for frequent users or larger projects, ensuring you have enough sealant on hand to complete multiple tasks without interruption.