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Thread: Pool liner install first or Concrete Decking

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    dw9000's Avatar
    Join Date
    Aug 2014
    NW Ohio

    Pool liner install first or Concrete Decking

    I am about ready for the liner to be installed, I have 2 days to finish up the vermiculite floor, than call the pool company to do the final measure. They said 2-3 weeks and than they will install so likely around July 4th I should have water in the pool.

    I was originally going to hold off on the concrete decking, until after the liner installation. But I will have about 2 weeks between the liner measure and install.

    I also plan on pressure testing all of my 2" flex pvc lines, so I technically shouldn't have any leaks in the plumbing.

    As well, I did concrete block and filled all the cores so they are very strong. Backfillling now really shouldn't impact the walls.

    I understand ideally the water pressure on the inside should offset backfilling, so I would backfill while the pool is filling or shortly there after, therefore concrete decking would be last.

    But since I did concrete block with filled cores, and I plan on pressure testing my plumbing should I still wait until after the pool is filled to do the concrete? I'd like to get some use out of the pool this summer and avoid the concrete dust getting into my pool.
    In-ground block / vinyl liner 33' x 22' x 5',, approx 25k gals
    Cartridge Filter
    Floor drains, 2 skimmers, 3 return lines (2" plumbing ultra-flex PVC)

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    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Pool liner install first or Concrete Decking

    I filled mine before I did the deck. no problem with doing it.
    There was a little concrete that got in when the deck got poured, but I just vacuumed it to waste with my vacuum.
    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. Experience- it's what's learned just after you needed it most !!

  3. Back To Top    #3

    Join Date
    Feb 2014
    Upstate, NY

    Re: Pool liner install first or Concrete Decking

    Same here, My pool was filled with water before the concrete was poured. I have stamped concrete and I must say the color cement dye did get in the water. It wasn't really a problem though.
    20X36 IG vinyl (18,000 gal), 3 sheer descents, Max-Flo 1.5hp VS 2300, Aquarite T15 SWG, C3030 filter, 250,000 BTU heater, Sharkvac XL (Hayward equip)

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