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Thread: wood separation repair

  1. #1

    Default wood separation repair

    the boat I am restoring is cold molded and was left outside and filled with water. The water caused the inner wood to bubble up in several places where the water penetrated. i was going to grind the bubbled wood off and fill the void with thickened epoxy but I am wondering if it would be a better idea to leave the bubbled wood and drill holes in it and squeeze epoxy into the void. The wood in in the bilge and will be under the floorboards so appearance isn't that important.

  2. #2
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    Default Re: wood separation repair

    short on info ,short on photos

  3. #3
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    Default Re: wood separation repair

    What Wiz said. Scale can make a huge difference. You might be able to get away with in a skiff might put you in serious peril 50 miles offshore.

  4. #4

    Default Re: wood separation repair

    IMG_1288.jpgIMG_1288.jpgIMG_1289.jpgIMG_1290.jpgIMG_1285.jpg
    Quote Originally Posted by wizbang 13 View Post
    short on info ,short on photos
    What further information would be helpful? The boat is 15 feet by 6 foot beam. Probably weighs 400 lbs or so. The inner layer of wood is either tongue and groove or cove. There is no visible damage on exterior of boat. It is difficult getting pictures because the interior is dark stained and the bulging wood doesn't show very well but I will try to submit some shots.
    Last edited by altfj; 12-04-2021 at 12:21 PM.

  5. #5
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    Default Re: wood separation repair

    I recon the boat needs a thorough inside grinding.
    It appears the builder /repairer neglected to do any sanding during the epoxy work.
    It is a lotta nasty work,but that is where to start,then see whatcha got.

  6. #6
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    Default Re: wood separation repair

    Quote Originally Posted by wizbang 13 View Post
    I recon the boat needs a thorough inside grinding.
    It appears the builder /repairer neglected to do any sanding during the epoxy work.
    It is a lotta nasty work,but that is where to start,then see whatcha got.
    ^This.
    If it is T&G or cove with diagonal veneers laid over the outside, the inner skin is too thick to have "bubbled up".
    Grind and sand the crap off, or use a heat gun and scraper. Then probe the "bubbles" for rot.
    Is she on bunks or rollers? Is there a roller directly under the bulge?
    It really is quite difficult to build an ugly wooden boat.

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  7. #7
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    Default Re: wood separation repair

    ^#5

    Yep - looks a real mess. I would guess there is a lot of water penetration into the inner hull planking. The only solution is as Bruce and Nick say – scrape/grind the epoxy off and see what you've got.

    Not a minor task ....

    Cheers -- George
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    A C Grayling

  8. #8
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    Default Re: wood separation repair

    If the goop on the inside is epoxy, try a heat gun and scraper in removing it. It think itíll be easier and less destructive.

  9. #9
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    Default Re: wood separation repair

    But a very pretty little boat! I think she's well worth the effort it'll take.

  10. #10

    Default Re: wood separation repair

    Quote Originally Posted by Hugh MacD View Post
    But a very pretty little boat! I think she's well worth the effort it'll take.
    Thanks, so I believe the inner planking is 1/4 inch, do I grind the epoxy and the planking. I could use a multi tool to remove the bulged planking and insert a new piece set in epoxy?

  11. #11
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    Default Re: wood separation repair

    I'm a little bit on the chicken side and would prefer to start with a good sharp chisel, just to make sure I don't go too deep. Once I've established where the 2nd layer is I'd pare the blistered stock back carefully, checking for rot underneath. If the next layer proves to be sound I'd cut the lifted layer back to sound laminate and scarf in a new chunk. I'm sure others will come in with other ideas...but that's where I ​would start

  12. #12
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    Default Re: wood separation repair

    Can you press the inner layer of planking back to where it belongs?

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