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Thread: Waterproofing a DIY poured concrete spa/baptismal

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    Waterproofing a DIY poured concrete spa/baptismal

    Hello pool/spa pros

    I'm picking up with a DIY project where someone left off. I need all the advice I can get on waterproofing the inside of a poured concrete structure which will be used as a baptismal at our church.

    The structure is 8' X 8' X 3' deep and is under a platform so only the inside can be seen. The structure is above ground so no pressure from water from the outside.

    Help!!!
    Thanks!!!
    getting ready to finish a diy poured concrete baptismal

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    Mod Squad kimkats's Avatar
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    Re: Waterproofing a DIY poured concrete spa/baptismal

    Has an engineer looked at it to make sure it is safe for water? If so there is a new product called aquaBright that might work for you. Do a search and see what you think.

    Kim:Kim;
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    duraleigh's Avatar
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    Re: Waterproofing a DIY poured concrete spa/baptismal

    If you need to continue DIY, do you have any masonry skills? If so, I would simply plaster it. You have a great work area and a small enough job so you could finish pretty quickly. Plenty of you tube videos.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    Re: Waterproofing a DIY poured concrete spa/baptismal

    I can't believe I am going to mention this, as I can't stand the commercials, but.....


    718d4jpCSWL._SY450_.jpg
    Doughboy 12' x 20' Saphire semi-AG, Installed 2012
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    Mod Squad pooldv's Avatar
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    Re: Waterproofing a DIY poured concrete spa/baptismal

    LOL!! It turns a screen door into a boat. That could actually work, especially if it is left empty for periods of time. Pretty easy touch up too if needed.
    TFP Moderator
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    Re: Waterproofing a DIY poured concrete spa/baptismal

    Quote Originally Posted by pooldv View Post
    LOL!! It turns a screen door into a boat. That could actually work, especially if it is left empty for periods of time. Pretty easy touch up too if needed.
    It's like a handyman, in a can!
    Doughboy 12' x 20' Saphire semi-AG, Installed 2012
    Waterway 1.5 HP 2 speed, 100 sqft cartridge filter
    Aprox 7000 Gal, Full sun, 85K heat pump,
    TF-100 test kit

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