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Marine Adhesive Sealant 5200 Fast Cure, 10 oz White — Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Hulls, Decks & Fittings by Berkland, American Owned

  • Based on 320 reviews
Condition: New
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Availability: In Stock.
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Arrives Sunday, Aug 2
Order within 4 hours and 48 minutes
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Features

  • PERMANENT WATERTIGHT SEAL ABOVE & BELOW WATERLINE 5200 fast-cure formula creates a permanent, flexible bond that holds against water pressure, hull flexing, and wave impact. Use above or below the waterline for through-hulls, transducers, struts, and hull-to-deck joints.
  • 24-HOUR FAST CURE Skins in 1 hour, reaches handling strength by 24 hours. Traditional 5200 takes up to 7 days this fast-cure version gets your boat back on the water sooner without sacrificing bond strength.
  • UV & WEATHER RESISTANT Engineered for full sun, salt spray, and temperature extremes. Will not crack, shrink, or chalk after years of UV exposure. Maintains adhesion and flexibility season after season.
  • BONDS FIBERGLASS, WOOD, GELCOAT & METAL Adheres to virtually every material found on a boat: fiberglass, wood, aluminum, steel, gelcoat, and most plastics. Also used for marine hardware mounting, portlight bedding, deck fitting installation, and boat carpet or marine flooring adhesion.
  • 10 OZ CARTRIDGE WITH GLOVES AMERICAN OWNED Full-size 10 oz cartridge fits any standard caulk gun. Includes disposable gloves for clean application. Compare to 05203 and 06520 FC. Family-owned business proudly operating in the USA.

Description

Professional Grade - When it comes to your boat, you don't want to take chances. Our marine adhesive provides watertight bonding and sealing for fiberglass / gelcoat and wood. Creates watertight, weather-resistant, UV- resistant seals on boat hardware, joints and more Permanent Bonding and Sealing - Our marine adhesive creates a strong, permanent bond that still maintains just enough flexibliity. Perfect for use on deck fittings, through- hull fastenings, railings, transducers and more. Holds up well during vibration, movement and shock Fast Cure, Above and Below Waterline - Unlike many marine adhesives, our 5200 FC cures within 24 hours. Work for areas above AND below the waterline. Compare to other brand's 5200 Fast Cure / FC sealants, including 05203 and 06520 UV-Resistant, Long Lasting - No more worrying about a sealant that degrades with sun exposure - our marine sealant holds up. Does not degrade in a high sunlight/UV exposure environment. Resistant to weathering and degradation in either saltwater or freshwater environments Easy Application - A single-component sealant that requires NO mixing. Solvent-free, Non-toxic, Low VOC. No cracking or peeling! 10oz tube, white sealant. By Berkland

Brand: Berkland


Specific Uses For Product: Bonding, Marine, Sealing


Material: Polyurethane


Item Form: Paste


Special Feature: Fast Cure, Versatile (Above and Below Waterline)


Specific Uses For Product: Bonding, Marine, Sealing


Item Form: Paste


Other Special Features of the Product: Fast Cure, Versatile (Above and Below Waterline)


Container Type: Tube


Full Cure Time: 24 Hours


Water Resistance Level: Waterproof


Viscosity Level: Medium


Compatible Material: Marine Components


Item Package Quantity: 1


Volume: 10 Fluid Ounces


Material Type: Polyurethane


Color: White


Brand Name: Berkland


Model: 49


Unit Count: 10.0 Ounce


Number of Pieces: 1


Global Trade Identification Number: 49


Manufacturer: Berkland


Part Number: 10ozms52f


Item Weight: 13 Ounces


Included Components: Nozzle, Gloves


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Best in market.
5200 is one of the best marine adhesive in the market and it’s fast cure makes it even better.
Reviewed in the United States on May 24, 2026 by Elaine Valle

  • Marine seal
It works really good I used a lot of 5200 3m and this one works just as the same very strong after it cures only thing I wish it had was a cap for it so when you don’t use all of it it doesn’t dry out
Reviewed in the United States on May 15, 2026 by Steven hall

  • works as advertised, used over 20+ years on multiple boats
been using 5200 for years. GREAT product
Reviewed in the United States on May 10, 2026 by Frank George

  • Great product for boaters.
The 5200 is great for many things for boaters. It is a bit expensive but goes a long way if you seal it good every time you use it with a roofing nail in the tip .
Reviewed in the United States on May 28, 2026 by Cabo

  • Used for the Windows in My House
I used this to seal the windows in my house. It’s flexible and the seal worked better than I expected. I’ll keep an eye on it, but so far, I’m satisfied.
Reviewed in the United States on August 6, 2025 by MOCALATE

  • great seal
works great! seals up good! Don't forget the gloves!
Reviewed in the United States on May 31, 2026 by Robert Outten

  • Great product! But you gotta not mind that it is very white color!
Use this to seal motorcycle tube wheel to make it tubeless! 3rd time using this sealant, works great! Pro tip! If you need to manipulate it, just dab in a little bit of alcohol and becomes very soft and pliable… to smooth it out!
Reviewed in the United States on November 30, 2025 by Renee A.

  • Glued up
All is well, worked well
Reviewed in the United States on June 2, 2026 by Icehouse

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