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Thread: Bondo or epoxy for Wood rot?

  1. #1
    Join Date
    Apr 2006
    Location
    Escondido, CA
    Posts
    6,224

    Bondo or epoxy for Wood rot?

    I have a porch cover with wood rot on a couple of overhang beams. The wood is a 4x8 by about 2 feet. I would like to try scraping, treating for rot and insects, and filling.

    My two choices appear to be Bondo or Epoxy such as Endrot by System Three.

    Do any of you have experience using either process to repair wood rot?

    Thank you in advance.

    Brian Kent
    Veni Vidi Vendi Vente! I came, I saw, I bought a large coffee!

  2. #2
    LiquidWood and WoodEpox from Abatron. http://www.abatron.com/product/liquidwood/ Not inexpensive but they work.

  3. #3
    Join Date
    Feb 2003
    Location
    McKean, PA
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    15,643
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    Minwax Wood hardener works well followed by Minwax High Performance Wood Filler. I've used this for several projects where replacement was not an immediate option.
    Lee Schierer
    USNA '71
    Go Navy!

    My advice, comments and suggestions are free, but it costs money to run the site. If you found something of value here please give a little something back by becoming a contributor! Please Contribute

  4. #4
    Join Date
    Nov 2013
    Location
    Waterford, PA
    Posts
    1,237
    Try M-Balm and E-Wood. These products are made for consolidating rot and repairing log homes. We used it a couple of times when we lived in one with great success. It was somewhat stainable as well.

  5. #5
    Beams. Does that mean there are no fascia boards?

  6. #6
    Join Date
    Feb 2014
    Location
    Lake Gaston, Henrico, NC
    Posts
    9,039
    I'm assuming the source of the water has been stopped. After things dry out, you need a thin, penetrating sealer that will run into the voids, and harden. Cross Bondo off the list without even talking about it. If the water is kept out permanently, get one of the many penetrating epoxies, and after that hardens, fill the remaining voids with some sort of thickened epoxy.

    Exactly which one is not nearly as important as seeing that it never gets wet again. With such a repair done, the now filled voids with epoxy will help hold any future water that gets in the wood next to the fill, and it will rot even faster than it did before.

  7. #7
    Shouldn't the fungus that caused the rot in the first place be treated before the repairs are made?

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