Sealing balsa wood

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Sealing balsa wood

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  • #34997
    oldsalt3
    Participant
      @oldsalt3

      Hi everyone,

      Can you please give me some tips on the best way of making a balsa wood hull watertight before painting.

      Thank you in advance

      Dereck

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      #2149
      oldsalt3
      Participant
        @oldsalt3
        #34998
        Dave Milbourn
        Participant
          @davemilbourn48782

          See reply #8 from "FLJ". It's not the only method (there are hundreds) but it works. **LINK**

          Tissue is "Modelspan" and dope/sanding sealer can be obtained from most decent model shops.

          Dave M

          #34999
          Paul Freshney
          Participant
            @paulfreshney24971

            In June 2012 Model Boats magazine, page 33, Glynn Guest describes how he finishes a balsa hull (within his Triune Free Plan article). All his balsa models over the last 30 years have been finished in much the same way, so his method must work!

            But as Dave M says, there are alternatives.

            Paul Freshney

            Editor of MB.

            #35005
            ashley needham
            Participant
              @ashleyneedham69188

              I generally use copious amounts of sanding sealer, thinned a bit to aid penetration (to waterproof the actual wood), followed by nothing more than paint. Thin ordinary grey undercoat down, acheives the same thing. If you want to harden it, I could recomend Eze cote resin and fine glass cloth as yet another method. Everyone has their favourites.

              Ashley

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