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Thread: Pool Renovation in Markham, Ontario, Canada

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    Pool Renovation in Markham, Ontario, Canada

    We have finally taken the plunge and are renovating our pool and surrounding patio.

    The following is what our pool looks like after the demolition of the wooden deck and the removal of the liner.
    pool bottom.jpg

    As you can see from the picture we are getting some water seeping in to the pool in the deep end. Most of it seems to be coming from where the walls the pool bottom join.

    Intuitively I think that this should be fixed as there really shouldn't be any water under the liner. I have not talked to my PB about this as I wanted to be a bit more knowledgeable before I have the conversation.

    What do you guys think? Is it necessary to fix this or will the water pressure of the full pool keep the ground water out?

    Thank in advance
    -------------------------------------------------------------
    15K Gallons, IG, Vinyl, 1HP Single Speed Pump, Sand, SWG, NG Heater + Solar Panels

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    Re: Pool Renovation in Markham, Ontario, Canada

    A few photos prior to demolition:
    20140811_104820.jpg

    20140811_104805.jpg
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    15K Gallons, IG, Vinyl, 1HP Single Speed Pump, Sand, SWG, NG Heater + Solar Panels

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    Re: Pool Renovation in Markham, Ontario, Canada

    The water coming through the steel is normal. Its seeping in because there is ground water around the pool and it has no liner in it currently. Its most most likely caused by the weather we have been having lately. Once there is a new liner in it, the water in the pool will hold it out.

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    Re: Pool Renovation in Markham, Ontario, Canada

    Quote Originally Posted by OntarioPoolGuy View Post
    The water coming through the steel is normal. Its seeping in because there is ground water around the pool and it has no liner in it currently. Its most most likely caused by the weather we have been having lately. Once there is a new liner in it, the water in the pool will hold it out.
    I went into the pool this evening and there is certainly a gap between the walls and the pool bottom. The ground water is clearly coming through this gap.

    Is there any harm in fixing this? I can't imagine that this would cost very much and isn't keep the ground water out of the pool shell a good thing?
    -------------------------------------------------------------
    15K Gallons, IG, Vinyl, 1HP Single Speed Pump, Sand, SWG, NG Heater + Solar Panels

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    Divin Dave's Avatar
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    Re: Pool Renovation in Markham, Ontario, Canada

    I would say fix it as best you can. The more the water leaks through there before the new liner is installed, then probably the wose that gap is going to get.

    The best way I know if, is to put some vermiculite or pool-crete to fill the gap. Actually, when the bottom was initially installed, the vermiculite should have been installed and fared in up the wall by about 2 inches. At least thats what Ive read how it should be done and thats what was done on mine.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

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    Re: Pool Renovation in Markham, Ontario, Canada

    You will never keep the water out. You can patch the gap and should especially if it is a decent sized gap and if it has any sharp edges. But patching it won't stop the water. There is obviously water in the over dig of the pool and the easiest place for it to go is in your empty pool at the moment.

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    Re: Pool Renovation in Markham, Ontario, Canada

    When my IG pool was installed a few years ago the PB poured a concrete collar around the bottom of the walls, where they meet the unexcavated earth. The poolcrete was then installed and flared up over the bottom of the walls forming the bevel. I would say not a whole lot you can do now. Mix up some poolcrete, pack in the big holes and drop a new liner.


    30x20 vinyl IG, Hayward SD60 with Pentair Dynamo 340219 2HP pump, Compupool CPSC24 SWG, Hayward H200FDN heater. APC automatic pool cover.
    Central Illinois

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    Re: Pool Renovation in Markham, Ontario, Canada

    I exchanged emails with my PB and he says that they will patch the cracks. I am hoping that it will reduce the flow of water to just minor seeping. I will post some post patch photos
    -------------------------------------------------------------
    15K Gallons, IG, Vinyl, 1HP Single Speed Pump, Sand, SWG, NG Heater + Solar Panels

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