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Thread: Sealing MDF Structure

  1. #1
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    Sealing MDF Structure

    Building my first 3 axis router table, the frame / mechanical structure to be
    mostly ¾ MDF and some 1/8 aluminum sheet. As I’m located in an area which
    is subject to relative high humidity at times (Atlanta, GA ) I intend to seal the
    MDF with epoxy fiberglass resin, one coat on each part, then a final coat
    when all the MDF parts are assembled.

    My question is, does anyone think I would gain anything by applying
    fiberglass cloth to the final structure in addition to the epoxy resin?
    Mike_L

    When I was younger I thought I knew EVERYTHING,
    NOW, the older I get the more I find out I don’t know!


  2. #2
    Registered sdantonio's Avatar
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    Hi Mike,

    The fiberglass cloth may reinforce the seams a bit, but I can't see a big advantage to it. You may get better results from a good marine epoxy (one made sor encapsulating wooden boat hulls, this is the one I use on the boat)

    http://stores.ebay.com/AeroMarine-Pr...Q3amesstQQtZkm

    On my router table, and I have the same humidity problem, I used a heavy coat of kills with mold inhibitor followed by a coat of a good hard spray enamel (rustolium or something like that) to give it some color and a nice look.

    Steven


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