3M 06504 10.1 Oz Black Marine Adhesive Sealant 5200

3M 06504 10.1 Oz Black Marine Adhesive Sealant 5200

|8 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 $43.99
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4.423143350604491 stars out of 5, based on 579 seller reviews(4.4)
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4.8 out of 5 stars
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Showing 1-3 of 8 reviews

Jun 3, 2026
Donna
Sold and shipped byAcme Tools
5 out of 5 stars review

Verified Purchase

Good product

Exceeded expectations, work as advertised.

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

Verified Purchase

Super fast shipping and great product. Thanks!

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Jun 27, 2025
Carly
Top Reviewer
Sold and shipped byAzul logistic inc
5 out of 5 stars review

Verified Purchase

No issues. Works great

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Helpful?546LSVHON38821014886