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Thread: Pool Patio just put in... hairline crack already!?

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    Pool Patio just put in... hairline crack already!?

    The patio was poured Tuesday. Today, I noticed a hairline crack and it's not within a seam!

    It's subtle... and tapers off and not running the whole way down the 5 foot area... it's perhaps halfway down already.

    Is this normal????
    76549 Liters -- Cartridge Filter -- In Ground -- Vinyl -- TF-100 Test Kit -- AquaVac Robotic Cleaner -- UV Sanitation -- Winter Safety Cover -- Installed 2010 -- Southwestern Ontario, Canada

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    Join Date
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    Re: Pool Patio just put in... hairline crack already!?

    are you in an area that gets freezing winters. If so it will get bigger. Either way. You should document it with the contractor.
    Peter
    21' X 52" above ground
    1 HP Hayward Power Flow Matrix Pump
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    Guest

    Re: Pool Patio just put in... hairline crack already!?

    Where does it start from? Is there a "point" that it is starting from? Or is it just a random crack?

    Can you post up a pic?

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    Re: Pool Patio just put in... hairline crack already!?

    Hi... it starts at the pool edge/coping and is bigger there... but then travels outward, fading halfway down patio (about 2.5 to 3 feet out). It's small... right now. I live in Massachusetts... so yup, we will get a big winter/freeze!

    I called the patio builder and waiting to hear back. They asked that I sprinkle the patio each day to help cure properly. I have been doing that each day. But today, noticed the crack. Not sure if I should keep that crack dry? That'll be impossible as it's near the edge of pool.

    I have read to get concrete sealer, or epoxy to hair line cracks.. to prevent from getting worse. This looks like it'll get worse... it was not there yesterday! Posting pics now...
    76549 Liters -- Cartridge Filter -- In Ground -- Vinyl -- TF-100 Test Kit -- AquaVac Robotic Cleaner -- UV Sanitation -- Winter Safety Cover -- Installed 2010 -- Southwestern Ontario, Canada

    Latest Test Results June 25:
    FC - 6, CC - 0, CYA - 40, CH - 110, TA - 90, pH - 7.5

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    Re: Pool Patio just put in... hairline crack already!?

    Pics here.
    Attached Images Attached Images
    76549 Liters -- Cartridge Filter -- In Ground -- Vinyl -- TF-100 Test Kit -- AquaVac Robotic Cleaner -- UV Sanitation -- Winter Safety Cover -- Installed 2010 -- Southwestern Ontario, Canada

    Latest Test Results June 25:
    FC - 6, CC - 0, CYA - 40, CH - 110, TA - 90, pH - 7.5

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    dmanb2b's Avatar
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    Re: Pool Patio just put in... hairline crack already!?

    As long as it not feezing it's ok for it to get wet...but your PB should be fixing that asap...that's not cool and will get worse with freeze thaw cycles. You should not have to epoxy a fresh poured deck
    24'x52" AGP (13,500 Gallons), Intex SWG, (2)Solar Bear 4x20 panels, Hayward S220T Filter, 1/2hp Pentair Superflo

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    Guest

    Re: Pool Patio just put in... hairline crack already!?

    It looks like it could be at a "joint" in the pool wall; is there anything down there that could be exerting pressure on the decking? It could also be a compaction issue; how did they address that prior to pouring the deck (was the soil disturbed and built back up or did they just dig down in native? Did they compact prior to the pour?)?

    It's tough to not have a crack on a narrow (that looks to be about 36" wide) pour. Still, you should not have it already. Like dman said, I'd make a call.

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    Re: Pool Patio just put in... hairline crack already!?

    Concrete cracks, not much else to say, really. Not much you can do. Thats why if any concrete person tells you that it wont, is not telling the truth.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    Guest

    Re: Pool Patio just put in... hairline crack already!?

    Quote Originally Posted by bk406
    Concrete cracks, not much else to say, really. Not much you can do. Thats why if any concrete person tells you that it wont, is not telling the truth.
    I agree, but I hate to see that used as an excuse for poor compaction/prep/installation, if that is the case. I hear that a lot, and it is the truth, but some guys tend to use that as a blanket excuse to do shoddy work.

    Cracks, to a pretty large extent, can be controlled in expansion joints by a good installer. Prep plays a big part as well. I've seen too many jobs where the ground was scuffed up a little bit, forms placed and decks poured, and then the guy says "Concrete does 2 things; it gets hard and it cracks". That's his excuse for shoddy prep/work, and it just ain't right!

    Again, I'm not saying that is the case here, but if it is,

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    Re: Pool Patio just put in... hairline crack already!?

    The other thing is that broom/rough finishes like that tend to crack more so than a smooth finish. The way to do a broom finish is to actually trowel it smooth, like glass, and use a troweling machine. Once it's smooth and set up, then broom it.

    I hear what your saying Bruce, but sometimes even the best job going will crack like that, nothing under gods green earth to stop it either. Thats why i prefer pavers.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    Guest

    Re: Pool Patio just put in... hairline crack already!?

    I'm a paver guy also; and use them every chance I get! Especially now that the price has come down (around here anyway) to the price of broom finished concrete.

    Looks great, and no cracks! How much better could it get

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    Re: Pool Patio just put in... hairline crack already!?

    Quote Originally Posted by simicrintz

    How much better could it get
    It could get better if you could get pavers done up here for less than $13-15 a sq ft! Brush concrete here is ~$6. Stamped, colored runs $9-12.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    Guest

    Re: Pool Patio just put in... hairline crack already!?

    Road base, sand on top of that and pavers, $6.00 a square foot. Take out the sand and I can get it done for $5.00 a square foot!

    Wanna start a paver company

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    Re: Pool Patio just put in... hairline crack already!?

    Couldnt get that cheap here, no way. I laid my own, so mine was cheaper But the going rate is ~$15 give or take
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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