TotalBoat Bond Marine Sealant
3M 5200 Marine Adhesive
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  • 3M 5200 Marine Adhesive
  • Marine Sealant
  • caulking with 5200 06500

5200 Marine Adhesive Sealant

3M 5200 is a single part sealant that cures to form a firm, rubbery waterproof seal. When fully cured, this high strength marine adhesive remains flexible and suitable for use where shock, vibration, shrinking or swelling are concerns.

Use 5200 on wood, fiberglass, hardware, motors, on fiberglass transoms, seams, joints, between struts, and planking stern joints. This permanent adhesive bonds and seals: fiberglass deck to hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under moldings, hull seams above and below water line, centerboard trunk joints, between struts and planking, stern joints and more.

Apply with a manual caulking gun. Sealant remains workable with a trowel or spatula for up to four hours, and won't sag or flow in vertical or horizontal seams.

Size displayed 10 oz cartridge

 
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Tech Spec Product Info User Generated Content

White 10.1oz cartridges Now Available in Full Cases @ $10.99 per tube!

This high performance polyurethane adhesive sealant becomes tack-free in 24-48 hours, and completely cures in 5-7 days with no shrinking. The seal is extremely strong, retaining its strength above or below the waterline. 5200 stays flexible and allows for structural movement.

Consider using 5200 Fast Cure instead if the quickest possible cure rate is a consideration. It has slightly less tensile strength, but provides full cure in as little as 24 hours.

Below Water Line (yes/no): Yes
BRAND: 3M
Material: Polyurethane
Rate Of Cure: Slow
Strength: Strong
Type: Adhesive
Usage: Bonding
4.7 60

REVIEW SNAPSHOT®

by PowerReviews
3M5200 Marine Adhesive Sealant
 
4.7

(based on 60 reviews)

Ratings Distribution

  • 5 Stars

     

    (45)

  • 4 Stars

     

    (12)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

98%

of respondents would recommend this to a friend.

Pros

  • Weather proof (51)
  • Easy to use (45)
  • Protects well (45)
  • Visually pleasing (26)

Cons

  • Messy (25)
  • Difficult to use (3)

Best Uses

  • Outdoors (42)
  • Indoor (18)
  • Wood trim (13)
  • Quick fix (9)
    • Reviewer Profile:
    • Casual/ recreational (14), Advanced (12), Recreational (10), Professional (9), Beginner (6)
    • Was this a gift?:
    • No (24)

Most Liked Positive Review

 

The right product for the job.

Applied with a 1/4" bead then spread with a putty knife, this stuff didn't turn out to be nearly as messy as other reviews led me to believe. Maybe it's worse on...Read complete review

Applied with a 1/4" bead then spread with a putty knife, this stuff didn't turn out to be nearly as messy as other reviews led me to believe. Maybe it's worse on fiberglass or a protected wood, but I applied to raw pine and it worked like a charm.

VS

Most Liked Negative Review

 

Caution:Copper-to-Wood U/W Will Not Hold

If you are using 3M 5200 above the waterline with almost any material, and below the waterline with a metal that won't naturally introduce even a small amount of corrosion, then you've got a...Read complete review

If you are using 3M 5200 above the waterline with almost any material, and below the waterline with a metal that won't naturally introduce even a small amount of corrosion, then you've got a good product.

The problem is less with the adhesive itself than the materials glued and then kept submerged in seawater. Copper, for example, when under stress, won't stay stuck to the wood to which it has been glued. It seems that the copper slightly oxidizes, releasing the glue from the metal. 3M 5200 liberally applied did not appear to prevent this from happening.

I think the product is good, and I use it a lot, but for certain applications (as with most things) it won't work.

Reviewed by 60 customers

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Displaying reviews 1-10

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5.0

Raise my Cuddie 1 foot and Added a pilothouse

By WHITT

from Columbus, Oh

Verified Buyer
Ensign

Pros

  • Easy to Use
  • Weather Proof

Cons

    Best Uses

    • Outdoor

    Comments about 3M 5200 Marine Adhesive Sealant:

    I own an older 23 foot cuddy cabin and I needed some more space so I stripped it all out and raise the Cuddie 1 foot with clear poly carbonate then added a pilothouse I used 3M 5200 to seal the exterior joints and outside fittings I built this to suit the need for those cold day and night fishing trips on the Ohio River. I added some new lights and bottom paint. I bought everything from JD and it has worked perfectly. I am not a novice I have been boating for most of my life however I am lacking quite a bit in my design engineering. The job was completed and works very well I'm very happy with that.
    Whitt

    • Was this a gift?:
    • No
     
    5.0

    Great product great service

    By Dave

    from ST. CHARLES, IL

    About Me Beginner

    Verified Buyer
    Midshipman

    Pros

    • Easy to Use
    • Great Service
    • Perfect Product
    • Protects Well
    • Weather Proof

    Cons

    • Messy

    Best Uses

      Comments about 3M 5200 Marine Adhesive Sealant:

      Used this to seal a leak in my classic Chris Craft. Worked wonderfully, if messy. Be sure to have rags and some gasoline for clean up. And wear gloves! Also let it dry for at least 48 hrs. But works wonderfully.

      • Was this a gift?:
      • No
       
      4.0

      Product is correct for the job at hand

      By sea bull

      from browns point wa

      About Me Advanced

      Verified Buyer
      Ensign

      Pros

      • Easy to Use
      • Protects Well

      Cons

        Best Uses

        • Quick Fix
        • Wood Trim

        Comments about 3M 5200 Marine Adhesive Sealant:

        use to seal planking in engine compartment that had a slow leak

        • Was this a gift?:
        • No
         
        3.0

        Sticky

        By TIMOTHYW

        from MORENO VALLEY, CA

        About Me Advanced

        Verified Buyer
        Ensign

        Pros

        • Weather Proof

        Cons

        • Difficult to Use
        • Messy
        • Runs

        Best Uses

        • Outdoor

        Comments about 3M 5200 Marine Adhesive Sealant:

        I was using this product to seal the deck to hull joint. It would not stay in place and ran down the hull. It took 4 days to cure. After it cured it did provide a water proof bond.

        • Was this a gift?:
        • No
         
        4.0

        Good

        By CHRIS J

        from Rock tavern , Ny

        About Me Beginner

        Verified Buyer
        Ensign

        Pros

        • Easy to Use
        • Protects Well
        • Visually Pleasing
        • Weather Proof

        Cons

          Best Uses

          • Indoor
          • Outdoor

          Comments about 3M 5200 Marine Adhesive Sealant:

          It work well

          • Was this a gift?:
          • No
           
          5.0

          5200 is the way to go

          By JS

          from Philadelphia, PA

          About Me Casual/ Recreational

          Verified Buyer
          Ensign

          Pros

          • Easy to Use
          • Protects Well
          • Visually Pleasing
          • Weather Proof

          Cons

            Best Uses

            • Outdoor
            • Waterproof

            Comments about 3M 5200 Marine Adhesive Sealant:

            Put a new sonar on the boat and needed to drill out the hole in the transom a bit more. Used the 5200, weather was colder, closer to mid 40's to low 50's and it came out pretty solid, just had to babysit it for a bit as gravity factored in and it did settle a bit, realized that after the application.

            Once it cured a little bit the wires held all in place. Optimal conidtions are 70 degrees F and 50% humidity. Again, I was closer to mid 40's so I wet paper towels and put that over the caulk, over the last 2 days of curing. Cured in 7 days with no issues.

            The boat is garage kept, but in an unheated garage, this stuff works extremely well and held up to a full day of fishing in 38 degrees, exactly 7 days after applying.

            • Was this a gift?:
            • No
             
            5.0

            great product

            By Joel

            from Columbus Ohio

            About Me Professional

            Verified Buyer
            Ensign

            Pros

            • Easy to Use
            • Protects Well
            • Visually Pleasing
            • Weather Proof

            Cons

            • Long Dry Time When Cold

            Best Uses

            • Wood Const Water Sealer

            Comments about 3M 5200 Marine Adhesive Sealant:

            I use this product to seal wood to wood connections during construction.

            • Was this a gift?:
            • No
             
            5.0

            I like this product. Very good!

            By FLAVIO_FONSECA

            from BOCA RATON, FL

            About Me Professional

            Verified Buyer

            Pros

            • Easy to Use
            • Protects Well
            • Visually Pleasing
            • Weather Proof

            Cons

              Best Uses

              • Outdoor
              • Quick Fix

              Comments about 3M 5200 Marine Adhesive Sealant:

              I liked very much to work with epoxy. Thanks a lot.

              • Was this a gift?:
              • No

              (1 of 1 customers found this review helpful)

               
              5.0

              super product

              By Vince

              from Swansboro NC

              About Me Advanced

              Verified Buyer
              Ensign

              Pros

              • Easy to Use
              • Weather Proof

              Cons

                Best Uses

                • Outdoor
                • Quick Fix

                Comments about 3M 5200 Marine Adhesive Sealant:

                Use carefully and dhave a cleaner solvent near by for cleanup

                • Was this a gift?:
                • No

                (3 of 3 customers found this review helpful)

                 
                5.0

                sticky stuff

                By Makai Guy

                from Northern, ct

                About Me Professional

                Verified Reviewer

                Pros

                • Protects Well
                • Sticks To Everything
                • Strong
                • Visually Pleasing
                • Weather Proof

                Cons

                  Best Uses

                  • Bedding Hardware
                  • Coating Fasteners
                  • Outdoor
                  • Wood Trim

                  Comments about 3M 5200 Marine Adhesive Sealant:

                  5200 is strong, slow setting adhesive caulk. Any time I am drilling holes for screws or bolts I coat all the threads and inside the hole to prevent any water intrusion. You can use it anywhere you need a strong bond. Dry time is 7 days for a full cure, you have plenty of time to work with it, make sure you clean up well when you are finished. This does expand as it dries so I usually go back after a few hours and remove more excess when looks are important. You can speed the dry time by misting with water.

                  • Was this a gift?:
                  • No

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