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Thread: Need recommendation for a good mastic glue

  1. #1
    Join Date
    Mar 2014
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    Los Angeles
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    Need recommendation for a good mastic glue

    I am looking for a good mastic trowel-on glue to attach wood boards about 5" wide, to plywood. This is to make "barn" style doors, they will be using inside a home, so there will be no rain / sun to deal with.
    I will secure the boards with a 23 gauge pin gun too.

    thanks, Mark
    Last edited by Mark Gibney; 05-17-2020 at 12:34 AM. Reason: clarification

  2. #2
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    Mar 2014
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    This stuff is available at a Big Box store near me. Has anyone tried it?

    Screen Shot 2020-05-16 at 8.30.17 PM.jpg

  3. #3
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    May 2014
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    Alberta
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    PL premium would work.

  4. #4
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    Dec 2005
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    West Lafayette, IN
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    5,806
    Is there going to be a problem here with wood movement?

  5. #5
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    Jan 2008
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    Western Nebraska
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    3,750
    I've used PL400 for that very thing, worked fine.

  6. #6
    Join Date
    Mar 2014
    Location
    Los Angeles
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    691
    Thanks for your suggestions on using PL adhesive.
    Matt, there should be minimal issues around wood movement. However, I have quite a bit to do so I'm looking for a gallon mastic at least, not tubes.

    I think this might work. The specifications say it allows for wood movement, never a bad thing.
    Screen Shot 2020-05-17 at 8.13.47 AM.jpg

  7. #7
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    Feb 2014
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    Lake Gaston, Henrico, NC
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    4,855
    I don't understand going to the trouble to trowel it on. One of the PL's comes in clear. I'd use that, and the large caulking tube size if you already have a gun for that size, or the regular size. The adhesive doesn't have to cover the whole backs of the boards.

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