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Thread: Hairline cracks new pool

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    Join Date
    Mar 2016
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    Phoenix AZ
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    Hairline cracks new pool

    Thoughts on hairline cracks showing up in unfinished shotcrete pool in Phoenix AZ?
    Pool is 6 months old. Everything done except finish.
    Phoenix AZ 11,000 Gal Shotcrete

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    Join Date
    Jun 2015
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    Gilbert, AZ
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    Re: Hairline cracks new pool

    Quote Originally Posted by cregazw View Post
    Thoughts on hairline cracks showing up in unfinished shotcrete pool in Phoenix AZ?
    Pool is 6 months old. Everything done except finish.
    Having recently finished my owner-build here in Gilbert, I wouldn't worry about them too much if they're truly hairline. They are most likely shrinkage cracks which are pretty common in shotcrete (based on my understanding). We had some fairly long (but not wide) cracks in our deep end and many others throughout the pool. I went as far as to involve the structural engineer and got the same feedback (i.e. shrinkage cracks).

    Either way, your builder (or shotcrete contactor) should warranty against any issues. If you're truly concerned, bring it up with them.

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    Re: Hairline cracks new pool

    Thanks. How soon did yours show up?
    Phoenix AZ 11,000 Gal Shotcrete

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    Re: Hairline cracks new pool

    Quote Originally Posted by cregazw View Post
    Thanks. How soon did yours show up?
    The bigger cracks showed up within the first week after it was shot.

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    Mod Squad pooldv's Avatar
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    Re: Hairline cracks new pool

    Yes, it is normal, my shell had small cracks also. Plaster will will them in.
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