............Glue

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  • secrtwpn1
    SubCommittee Member
    • Feb 2003
    • 269

    #1

    ............Glue

    What type of glue should I use to attached the WTC saddles to a fiberglass hull? I used JB Weld and it worked fine for a few days, and then simply broke off.......

    Thanks
    Farlan
  • salmon
    Treasurer
    • Jul 2011
    • 2342

    #2
    Farlan, fiberglass is something I am still learning on. Roughing up the surfaces and making sure it is oil free are two keys (both the hull and WTC saddles). I have also used CA with rubber (IC-2000). That seems to hold well as well. I will also expect other with a lot more experience share their way too.
    If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

    Comment

    • salmon
      Treasurer
      • Jul 2011
      • 2342

      #3
      I also put screws into parts through the hull. I did not do it on my saddles, but other parts I started to and combined with glue made it a great combination.
      If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

      Comment

      • JWLaRue
        Managing Editor, SubCommittee Report
        • Aug 1994
        • 4281

        #4
        Before roughing up the fiberglass surface, use a paint thinner or (better yet) acetone to thoroughly wipe down the area to remove any wax that may be on the surface. If you wait to wipe until after roughing it up, you will have almost certainly embedded wax into the fiberglass.

        As for 'glue'.....I'm a fan of using epoxy on fiberglass. The longer the set time the better.

        -Jeff
        Last edited by JWLaRue; 01-26-2019, 06:10 PM. Reason: ...fixed auto spell (wipe vs, wife). LOL!
        Rohr 1.....Los!

        Comment

        • sam reichart
          Past President
          • Feb 2003
          • 1325

          #5
          Originally posted by JWLaRue View Post
          Before roughing up the fiberglass surface, use a paint thinner or (better yet) acetone to thoroughly wife down the area to remove any wax that may be on the surface. If you wait to wipe until after roughing it up, you will have almost certainly embedded wax into the fiberglass.

          As for 'glue'.....I'm a fan of using epoxy on fiberglass. The longer the set time the better.

          -Jeff
          What Jeff said. Surface prep makes the difference.

          Comment

          • salmon
            Treasurer
            • Jul 2011
            • 2342

            #6
            Well, maybe that is what I have done wrong........Acetone is now on shopping list and do that first!
            If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

            Comment

            • scott t
              Member
              • Feb 2003
              • 880

              #7
              Acetone - Nail polish remover. Ask the wife first before you take it.

              Comment

              • David F
                SubCommittee Member
                • Jan 2016
                • 60

                #8
                I have used Devcon plastic welder successfully on "polyester based" fibreglass (we use polyester more here in the UK , I think you use epoxy more in the US.)
                And additional screw fixings have got to be a good idea too.

                Comment

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