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 56

REVIEW SNAPSHOT®

by PowerReviews
3M5200 Marine Adhesive Sealant
 
4.7

(based on 56 reviews)

Ratings Distribution

  • 5 Stars

     

    (43)

  • 4 Stars

     

    (11)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Weather proof (48)
  • Protects well (43)
  • Easy to use (42)
  • Visually pleasing (26)

Cons

  • Messy (23)

Best Uses

  • Outdoors (40)
  • Indoor (18)
  • Wood trim (12)
  • Quick fix (8)
    • Reviewer Profile:
    • Casual/ recreational (14), Advanced (10), Recreational (10), Professional (9), Competitive (6)
    • Was this a gift?:
    • No (20)

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 56 customers

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Displaying reviews 1-10

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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

          (2 of 2 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

            (3 of 3 customers found this review helpful)

             
            3.0

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

            By No

            from Not Sayin'

            About Me Advanced

            Verified Reviewer

            Pros

            • Weather Proof

            Cons

              Best Uses

              • Outdoor

              Comments about 3M 5200 Marine Adhesive Sealant:

              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.

              • Was this a gift?:
              • No

              (0 of 1 customers found this review helpful)

               
              5.0

              The end all, if you have time.

              By Aquanot

              from Seattle, wa

              About Me Professional

              Verified Reviewer

              Pros

              • Consistent Quality
              • Easy to Use
              • Protects Well
              • Visually Pleasing
              • Waterproo
              • Weather Proof

              Cons

              • Long cure time
              • Messy
              • Really Long Cure Time

              Best Uses

                Comments about 3M 5200 Marine Adhesive Sealant:

                Nothing that hasn't been said, takes all of six days to cure. You have to have time to take whatever it is out of service to allow proper bonding, helps to wet down the area after application.

                • Was this a gift?:
                • No

                (1 of 1 customers found this review helpful)

                 
                5.0

                5200 Sealant

                By Hannibal1

                from South Arkansas

                About Me Advanced

                Pros

                • Easy to Use

                Cons

                  Best Uses

                  • Outdoor

                  Comments about 3M 5200 Marine Adhesive Sealant:

                  Excellent weather proof adhesive

                  • Was this a gift?:
                  • No

                  (2 of 2 customers found this review helpful)

                   
                  5.0

                  the best on market

                  By Jack

                  from belmont HN

                  About Me Beginner

                  Pros

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

                  Cons

                  • Messy

                  Best Uses

                  • Indoor
                  • Outdoor
                  • Quick Fix
                  • Wood Trim

                  Comments about 3M 5200 Marine Adhesive Sealant:

                  it is incredibly strong and color is good

                  • Was this a gift?:
                  • Yes

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