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Thread: Deep Fill Epoxy

  1. #1

    Deep Fill Epoxy

    First time doing this and yes I will do a test piece first. Depth is likely 2- 1 1/2 inches. Looking to do river tables and artistic pieces using odd shaped sections of tree trunks that have large voids. Two questions - should the wood be sealed with either a quick drying epoxy, something else, or not at all? Second, there are so many brands out there, do you have one that you think is particularly good? Thanks

  2. #2
    Join Date
    Mar 2003
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    San Francisco, CA
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    10,304
    An issue with epoxy is that deep fills can thermally run away, which turns out to be a disaster. Look for products specifically intended for river tables and the like.

  3. #3
    Join Date
    May 2005
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    SE South Dakota
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    #1--seal first!!! I use thin CNA--in your case I would hit it at lease twice since it's so deep. This should help with bubbles.
    #2-- multiple pours of epoxy--maybe 1/4" at a time.

    Bruce
    Epilog TT 35W, 2 LMI SE225CV's
    CorelDraw 4 through 11
    CarveWright
    paper and pencils

  4. #4
    Join Date
    Mar 2003
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    It's pretty important to seal edges before your pour(s) because unsealed edges tend to increase the risk of bubbles from air escaping the wood. You can use thinned resin...slather it on well, let it cure and then do your setup and pour(s).
    --

    The most expensive tool is the one you buy "cheaply" and often...

  5. #5
    Join Date
    Sep 2016
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    Modesto, CA, USA
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    You may need to pull a vacuum on the epoxy before pouring to get the bubbles out. Probably a good idea to throw the pour into a pressure chamber to reduce bubbles as it cures.
    Bill D

  6. #6
    Found this - bubbles out of epoxy -

    https://m.youtube.com/watch?v=elKWS1jTf1o

  7. #7
    Join Date
    Mar 2010
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    Somewhere in the Land of Lincoln
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