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Thread: Back fill vermiculite before patching liner?

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    Back fill vermiculite before patching liner?

    Finally found our leak...woohoo! However, the leak has washed out about a 3-4 inch diameter of the vermiculite. The cut in the liner is in the angled wall in the deep end below the ladder. Not much of a chance that anyone will ever put pressure on it. Just wondering if a simple patch is good enough or is there a way to get something solid behind the liner before we patch? Thanks in advance!
    inground liner Grecian "L"
    26000 gallons
    1 HP whisperflo, TA100 sand filter
    Autopilot digital SWG, SC-60 cell
    Hayward Colorlogic LED lights

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    duraleigh's Avatar
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    Re: Back fill vermiculite before patching liner?

    I think it will be difficult to make an effective patch if you can't get, a reasonably smooth, solid surface underneath. However, I also can't think of a way to get that done in your situation. Others will likely be along with more experience in that area.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Back fill vermiculite before patching liner?

    Without draining a LOT of water, filling the void in the vermiculite isn't going to happen (and going under the liner to do the vermiculite patch TRULY sucks, believe me )

    Do you have a piece of the liner that would match the floor? If so, put a small patch on the actual hole and a larger one that will cover the 'divot' (if you need some info on patching a liner, I've posted some tips & tricks here, I'll find them and link them if you need)
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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    Re: Back fill vermiculite before patching liner?

    I did find some liner that we used for a patch to match the bottom. The patch seemed to work well so I am hoping that does the trick. Liner and pool are only a couple of years old so it would be nice if the patch held for a while! When we do replace the liner, we will have a good bit of patchwork to do on the vermiculite. In the mean time, we will just need to be careful around the ladder since the hole is under the first rung. If I could get the ladder out of the sockets, I would just take the ladder out. But since it won't budge, that's a project for another day!
    inground liner Grecian "L"
    26000 gallons
    1 HP whisperflo, TA100 sand filter
    Autopilot digital SWG, SC-60 cell
    Hayward Colorlogic LED lights

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    Join Date
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    Re: Back fill vermiculite before patching liner?

    Any chance you have a salt pool? The ladder not coming out suggests that to me. I've got a couple tricks for freeing the ladder, if you'd like them
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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    Melt In The Sun's Avatar
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    Re: Back fill vermiculite before patching liner?

    Crazy idea alert....Waste, feel free to yell at me!
    Perhaps could you use something in a syringe to fill the hole behind the liner, then patch over the hole?
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
    TF Test Kits -- PoolMath -- Pool School
    Make each day your masterpiece. - John Wooden

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