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Thread: foamboard for pool bottom?

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    Join Date
    May 2008
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    South Central PA
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    foamboard for pool bottom?

    Hi all,

    Just notice water level was gone way down in pool went to investigate have big rip in liner. So when I replace the liner I saw some
    people use foamboard. I currently have a sand base which overtime of seven years has gotten ruts in. If foamboard is used
    my concern would be if any wash out would happen underneath or if the board cracks any thought or suggestions
    pool is 24' round 52" high
    Mike

    13,500 gallon AGP, 1-1/2hp pump 150# sand filter

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    Mod Squad Bama Rambler's Avatar
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    Re: foamboard for pool bottom?

    If cut and taped properly you should never have problems with it. Use the foam cove on top of it and you should be good.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: foamboard for pool bottom?

    Any suggestions on thickness of board?

    Thanks
    Mike

    13,500 gallon AGP, 1-1/2hp pump 150# sand filter

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    Mod Squad Bama Rambler's Avatar
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    Re: foamboard for pool bottom?

    Most people use ½" but there are threads of people using up to 2". I'd say it's a personal preference.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    mcoonan's Avatar
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    Re: foamboard for pool bottom?

    I have been using 2" foam for about 8-9 yrs now. I learned about it from a friend with a 24' perm. pool, he also has 2". The 2" has better insulating properties and holds up better than any otherthickness. Yes it is 2X the $ but it has been worth it to me.
    Intex Ultra 18' x 52" AG 6,981 Gal.
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    Medota Heights,Minnesota

  6. Back To Top    #6

    Join Date
    May 2008
    Location
    South Central PA
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    Re: foamboard for pool bottom?

    Thanks for the info. I haven't replaced it yet just waiting for it to get warmer. I was concerned with 1/2 foam because I have steps vs ladder sitting in the pool wasn't sure how it would hold up
    Mike

    13,500 gallon AGP, 1-1/2hp pump 150# sand filter

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