3M 06504 10.1 Oz Black Marine Adhesive Sealant 5200
3M 06504 10.1 Oz Black Marine Adhesive Sealant 5200
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3M 06504 10.1 Oz Black Marine Adhesive Sealant 5200

|9 ratings

Key item features

  • Robust Durability: This black sealant maintains extreme strength and flexibility both above and below the waterline, offering excellent resistance to weathering and saltwater.
  • Flexible Performance: A tough, flexible polyurethane that absorbs stress from vibration, shock, swelling, or shrinking, preventing cracks under dynamic force.
  • Versatile Application: Ideal for permanent bonding and sealing on RVs, boats, and other watercraft, suitable for wood, gelcoat, fiberglass, and metal.
  • Easy Handling: Applies directly from the container with a manual caulking gun, requiring no mixing and resisting sagging or flowing in vertical or horizontal seams.
  • Reliable Curing: Becomes tack-free in 48 hours, forming a firm, flexible, and waterproof seal for joints and boat hardware, recommended for interiors and below the waterline.
  • Extensive Usage: Perfect for bonding fiberglass deck to hull, wood to fiberglass, portholes, deck fittings, motors on transoms, hull seams, and various other marine joints.
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Current price is $35.48
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Arrives by Fri, Aug 7
Sold by Custom Kugs
Fulfilled by Walmart
4.107142857142857 out of 5 stars
4.107142857142857 stars out of 5, based on 28 seller reviews(4.1)
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4.8 out of 5 stars
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9 ratings9 reviews
How item rating is calculated
  1. 5 stars78% (7)
  2. 4 stars22% (2)
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Showing 1-3 of 9 reviews

Jun 15, 2026
Margaret
Sold and shipped bySupply the Home
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Marine Adhesive Sealant 5200

This stuff is amazing; I use it to SEAL all kinds of things. From boating utensils to sealing the tires on my '86 FAT BOY HD. This stuff is the kick, easy to use and apply, just follow directions. Use to make sure things are sealed nice and tight.

Incentivized Review
Helpful?546LSVHON38821014886
Jun 3, 2026
Donna
Sold and shipped byAcme Tools
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good product

Exceeded expectations, work as advertised.

Incentivized Review
Helpful?546LSVHON38821014886
May 28, 2025
Jason
Sold and shipped byBoating Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Super fast shipping and great product. Thanks!

Incentivized Review
Helpful?546LSVHON38821014886