Coating for plywood boat

Discussion in 'Materials' started by Daan, Sep 20, 2020.

  1. Daan
    Joined: Sep 2020
    Posts: 40
    Likes: 3, Points: 8
    Location: Netherlands

    Daan Junior Member

    I made 3 sections because my local hardware store does not have larger sheets of plywood. I made sure that I bought the plywood sheets that were meant for outdoor use and they are water resistant. I wanted to buy marine grade plywood at first but I couldn't seem to find where I can buy those where I live.

    If it is not ideal to screw the panels on the frame what would you suggest to do to put them together?
  2. brendan gardam
    Joined: Feb 2020
    Posts: 368
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    Location: east gippsland australia

    brendan gardam Senior Member

    google how to scarf plywood panels and how to make overlapping butt joints, you can use either.
  3. bajansailor
    Joined: Oct 2007
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    Location: Barbados

    bajansailor Marine Surveyor

    As Brendan says re scarfing the panels together, or using butt blocks - these butt blocks could be made out of the same thickness plywood, with perhaps a 100 mm / 4" overlap on each side as a minimum. But this is a bit difficult now as the frames are in the way.

    Before you start applying epoxy resin to it, I think it would be a good idea to 'test it out' on water first - it only needs to be a very brief immersion to test the stability, and if the plywood is exterior grade it should cope with this ok.
    Last edited: Sep 24, 2020

  4. hoytedow
    Joined: Sep 2009
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    hoytedow Carbon Based Life Form

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