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  1. #1
    Jody Humbert's Avatar
    Jody Humbert Guest

    Question Splits in support posts

    I need some opinions on whether these splits are a concern as far as being excessive. What is the allowable width for splits? Thanks for your input.

    Jody

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  2. #2
    Join Date
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    Default Re: Splits in support posts

    Pic 1- common, but towards the bad end
    Pic 2 and 3- I would be rec. replacement; I have seen some people fill the gaps with construction adhesive, drill bolt holes and suck the post together a bit and stabilize. It seems to work, it's not what I would rec.
    My guess is it's treated lumber and the splitting will get worse. Some split really bad, some seen not to.
    My concerns from the photos:
    - how are the posts attached at grade; bolts, concrete footers or pad, steel footers,
    - it looks to be at the bottom of a hill; the severe splitting may be because the feet are soaking up water
    - no crossbracing

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  3. #3
    Jody Humbert's Avatar
    Jody Humbert Guest

    Default Re: Splits in support posts

    Thanks for the comments, Markus. The posts appear to be attached in concrete. I used a probe and it hits solid inground.


  4. #4
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    Default Re: Splits in support posts

    IMHO any split in a wood support post or support beam you can stick your fingers into is a reportable defect.

    Jerry McCarthy
    Building Code/ Construction Consultant

  5. #5
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: Splits in support posts

    From what I see above the post those seven posts supporting it look like overkill but obviousl I cannot see the beem under. The cracks being wide open and water getting in continually does not help matters.

    Just from the quick visual with no other info I would guwstinate years to come for life expectancy but all those cracks should be caulked/sealed to avoid rot and monitor them as time goes on. All will certainly not fail at the same time.

    Just an opinion.


  6. #6
    Ron Bibler's Avatar
    Ron Bibler Guest

    Default Re: Splits in support posts

    Checking like that exposes the interior of the board to moisture and pest infestation. they should be caulk and painted.

    Its just a part of the young tree and cut from the wrong section for the type of board.

    Check this split job out. i have never come accross this before.

    Best

    Ron


  7. #7
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    Default Re: Splits in support posts

    You want to talk about splits? Take a look at this concrete cassion subjected to severe sulfates and supporting a major steel I beam no less !!!

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    Jerry McCarthy
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  8. #8
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: Splits in support posts

    Great pics Ron and Jerry. You folks must have your pics set up a ot better than I do. Every time someone posts a pic I know I have one similar but I'll be darned if I can find them in a reasonable amount of time.


  9. #9
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    Default Re: Splits in support posts

    Those splits are not a problem and are very common. It is called checking and and is a result of the green wood drying from the outside to the inside. Differential drying creates the checking. The checking can be reduced or eliminated by slow uniform drying.

    http://www.wvu.edu/~exten/infores/pu...er/wooddr2.pdf


  10. #10
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    Default Re: Splits in support posts

    Jerry, That looks like they poured a pier around a steel lally. Not smart. Steel rusts and swells and that's what happens.
    That's one I haven't seen yet, but will be looking for the top of a lally sticking out of a poured post in the future.


  11. #11
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    Default Re: Splits in support posts

    Wayne, where I come from they havenít used the term ďLallyĒ for a long time. Furthermore, I believe a Lally is a vertically installed hollow steel column filled with concrete to help support horizontal loads. However, I could be wrong? The photos I posted are concrete caissons with steel rebar reinforcement usually installed by the use of sona tubes

    Ted, All my defect photos are segregated into files that are named for the type of system where the defect exists, i.e.; HVAC, Electric, foundation, floor support system, roof framing, etc. Iím always adding to my collection between what my ex-students send me, this and the CREIA bulletin board, and photos sent by friends plus of course stuff Iíve taken over the years. Also, in performing construction defect work one cannot help but see lots of strange installations and weird defects, especially by our world famous Uncle Buck..


    Jerry McCarthy
    Building Code/ Construction Consultant

  12. #12
    Join Date
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    Default Re: Splits in support posts

    Gee Jerry, Am I that old? Guess I am The photo just looked like that to me but I guess the rebar just expanded with the rust to look larger.

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