White glue PVA on boats

Discussion in 'Boatbuilding' started by Robby J, Aug 21, 2019.

  1. Robby J
    Joined: Aug 2019
    Posts: 2
    Likes: 0, Points: 1
    Location: Ipswich Qld Australia

    Robby J New Member

    Silly question please. Sons built many many types of RC stuff.. now hes starting a power boat. Just started today, sent me a pic and he's using White Glue (PVA). I'm a plane builder and when my planes get wet out at field the white glue often turns back to white and becomes unstuck [some circumstances]

    Should he continue and paint over joins or what's recommended for RC BALSA model Kits please?
    Robby J.
     
  2. Mr Efficiency
    Joined: Oct 2010
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    Location: Australia

    Mr Efficiency Senior Member

    It is not waterproof, so it likely will detach when water permeates.
     
  3. BlueBell
    Joined: May 2017
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    Location: Victoria BC Canada

    BlueBell . . . _ _ _ . . . _ _ _

    This is a very serious matter.
    If the boat is to be left in the water it will not last long.
    However, if it is trailered and stored out of the water it might be okay.
    However, it is generally a poor practice to use white glue in boat construction.
     
  4. Mr Efficiency
    Joined: Oct 2010
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    Location: Australia

    Mr Efficiency Senior Member

    Might be wrong, but I interpreted the project as a RC model powerboat ? But PVA is still not recommended.
     
    BlueBell likes this.
  5. BlueBell
    Joined: May 2017
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    Location: Victoria BC Canada

    BlueBell . . . _ _ _ . . . _ _ _

    Mr E, you are correct.
    My mistake.
    Thank you.

    When I was a kid I built many R/C boats.
    I used crazy glue 'cause it was fast, and I didn't need a seal as I fiberglassed the entire hull.
     
  6. Robby J
    Joined: Aug 2019
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    Location: Ipswich Qld Australia

    Robby J New Member

    TY Gentlemen,
    YES its RC, I googled RC boat building n it spat out this forum LOLOL.. But I WILL pass it onto my son. TY kindly n God Bless.. [My sons an Adult but new to boats RC].. Cheers Robby J
     
  7. philSweet
    Joined: May 2008
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    Location: Beaufort, SC and H'ville, NC

    philSweet Senior Member

    Titebond III is decent. Elmers wood glue is ok. Might try E6000, since it is now in big box stores. It comes in several different formats and viscosities.
     

  8. fallguy
    Joined: Dec 2016
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    Location: usa

    fallguy Senior Member

    It depends.

    If you build a strip boat; you can use pva if the boat is fiberglassed and epoxied over as the glue would be considered temporary and isolated from ingress.

    And I mean a real boat; like a canoe.
     
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