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Thread: Cracking around outside of short pool wall

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    Jul 2014
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    Round Rock
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    Cracking around outside of short pool wall

    Cracking on outside of pool wall. no leaks noticeable. Looks like it might be water from top of wall...grout is loose...??
    thoughts? this was a patch and a couple of cracks 3 years ago when i bought the house....now I need to do soemthing.
    Plaster needs to be redone too but otherwise the pool is in great shape. Hairline cracks on bottom but no water lost except usual from Texas heat.

    20160701_144044.jpg
    location: Round Rock Texas
    20,000 in ground, plaster, 18 years old
    Sand filter
    Hayward pump - relatively new
    Disconnected old gas heater

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    bmoreswim's Avatar
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    Re: Cracking around outside of short pool wall

    That's just a skim coat on top of the exposed gunite pool shell, similar to what you'd have on an a cinder block wall. The pool shell itself is separate and I'm sure is fine.

    The fix is to scrape it all off and reapply a fresh skim coat.
    18'x38' Rectangle (3'-8 1/2' deep w/ diving board) - 27K gal. w/ gray plaster
    Hayward equipment (cartridge filter, 2-speed pump, SWCG, automation) View Our Build
    Coverstar automatic pool cover | StoneMakers concrete retaining wall and decking
    Spring 2013 Build | Dolphin Active 20 robot cleaner | Support TFP!

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    Re: Cracking around outside of short pool wall

    Thanks
    Local service company says it is steel in wall rusting and getting larger. Thus cracking veneer. I think water is coming in from brick and mortar (that makes up the cap) degrading
    Sound reasonable? They recommend dig out steel near surface of wall and reapply veneer.

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    Re: Cracking around outside of short pool wall

    Another angle20160701_144038.jpg
    location: Round Rock Texas
    20,000 in ground, plaster, 18 years old
    Sand filter
    Hayward pump - relatively new
    Disconnected old gas heater

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    duraleigh's Avatar
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    Re: Cracking around outside of short pool wall

    You could chip off that cracked veneeer and verify moisture is coming from behind. Does it freeze in Round Rock? How old are the cracks?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Round Rock
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    Re: Cracking around outside of short pool wall

    No real freeze here....but when I looked at it that was what I thought....water seeped in from grout deterioration and froze pushing out...if you look at the first image the grout is in poor shape and has space between it and brick. There is actually a lip of veneer that has a gap between it and wall. Maybe the little freeze we do get was enough or maybe the local guy is right. When I bought house the corner had an off color patch with 1 maybe 2 small hairline cracks in it. That was three years ago.

    - - - Updated - - -

    Now that I look at it and think rust. It sure looks like a rust stain there.
    location: Round Rock Texas
    20,000 in ground, plaster, 18 years old
    Sand filter
    Hayward pump - relatively new
    Disconnected old gas heater

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