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Thread: Swim spa basement build (above ground/block wall)

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    Swim spa basement build (above ground/block wall)

    Looking for some thoughts on an idea to help me with my triathlon training.

    I'm considering building a custom swim spa in my basement since a traditional swim spa is a) very expensive and b) too big for my application.

    My idea was to build a swim spa utilizing block walls and a badu swim jet to create essentially a swimming treadmill. With my busy schedule but big triathlon goal for Ironman Wisconsin in 2016, I need to shave any time like driving to gyms and pools so that I can meet my responsibility as a father and husband.

    I'm thinking roughly 8'x6'x4' tall, properly finished with a bench or two that can be used as a hot tub if need be. The outside would be finished with tile or some other decorative finish to tie in that room.

    I'm more concerned about the guts and skeleton of this idea vs the finishes to see if it's a feasible project.

    Much thanks in advance

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    Isaac-1's Avatar
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    Re: Swim spa basement build (above ground/block wall)

    They do already make soft vinyl liner endless pools for such applications
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    Re: Swim spa basement build (above ground/block wall)

    Quote Originally Posted by Isaac-1 View Post
    They do already make soft vinyl liner endless pools for such applications
    Yes they do, but they are not cheap nor am I seeing sizes that fit my application.

    That was the reason why I posted here, to get some feedback on my idea vs buying something remade because it won't work for my basement.

    Put it this way, I can find a badu swim jet for like 2k and I'm in the trades business so the help is easy to come by. Just trying to figure out if it's been done before so I don't make any stupid mistakes.

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    Re: Swim spa basement build (above ground/block wall)

    I've seen pools and spas built like this, it's possible. Your main issue is how to build a strong, watertite vessel, and how to deal with possible water leakage.

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    Re: Swim spa basement build (above ground/block wall)

    Nice idea but probably not realistic. You will spend a lot of your work out time working out all the details. The basemen will need to be properly ventilated.

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    Re: Swim spa basement build (above ground/block wall)

    Largest issue will be ventilation as mentioned above. Condensation will ruin your floor to your house. Great thought but not practical.



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    Re: Swim spa basement build (above ground/block wall)

    So a simple dehumidifier won't do the trick to keep the moisture down?

    I was considering a cedar buildout of that specific room to help w moisture.

    My stubbornness works well for me in some cases in achieving goals...but this one is just unknown territory.

    Definitely looking for some more feedback, thanks in advance.



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    Re: Swim spa basement build (above ground/block wall)

    I think it would work but you had mentioned expense earlier and the dehumidifier I thought was expensive. It was going to be 5K to add to my indoor pool.



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    Re: Swim spa basement build (above ground/block wall)

    Never considered the venting. I thought I could get away with using the right wood and dehumidifier to manage condensation.

    Anyone out there see a way TO make this happen? I'm curious to hear of any out-of-the-box ideas



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    Isaac-1's Avatar
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    Re: Swim spa basement build (above ground/block wall)

    You could get away with a dehumidifier, just don't expect one of those little roll around units they sell in the big box stores to cut it.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    ~Remember TFP counts on your donations to keep this site ad free~

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    Re: Swim spa basement build (above ground/block wall)

    It would be in the same room my sump is so I could have it drain right into that...the possibilities!



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    Re: Swim spa basement build (above ground/block wall)

    Just bumping this to the top to see if anyone has other thoughts on this project? Essentially it's a mini-version of an indoor pool so I was planning on encasing the room in cedar to help w condensation, etc...thanks in advance



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    Re: Swim spa basement build (above ground/block wall)

    Quote Originally Posted by Triathlon15 View Post
    Just bumping this to the top to see if anyone has other thoughts on this project? Essentially it's a mini-version of an indoor pool so I was planning on encasing the room in cedar to help w condensation, etc...thanks in advance


    Sent from my iPhone using Tapatalk
    Did you ever move forward with this?

    My research indicates the combination of a fully covered pool (air tight), an HRV for air exchange and a dehumidifier (needed if outdoor humidity is too high) can easily control this type of install.

    Additional, fully sealing this area off from the rest of the house is ideal. Something like spray foam on all walls and ceiling and a separate heating system to prevent air exchange with the rest of the house.

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