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    Jobino's Avatar
    Jobino Posts: 6, Reputation: 1
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    #1

    Aug 28, 2015, 10:14 AM
    Unlevel concrete slab for Hot Tub
    The concrete 7'x7' concrete slab slopes and has waves in it. How can I fix this so I can put my hot tub on it?
    talaniman's Avatar
    talaniman Posts: 54,135, Reputation: 10852
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    #2

    Aug 28, 2015, 10:25 AM
    Build a platform to compensate for the unleveled concrete foundation for the hot tub. It could be concrete or whatever material you like.
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    Jobino Posts: 6, Reputation: 1
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    #3

    Aug 28, 2015, 10:46 AM
    Quote Originally Posted by talaniman View Post
    Build a platform to compensate for the unleveled concrete foundation for the hot tub. It could be concrete or whatever material you like.
    If I used concrete how thick would it have to be and how would I do this? Sorry but I am a newbe at this.
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    Jobino Posts: 6, Reputation: 1
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    #4

    Aug 28, 2015, 11:05 AM
    Unlevel concrete slab for Hot Tub
    Thank you for your answer, If I used concrete how thick would it have to be and how would I do this? Sorry but I am a newbe at this.
    tickle's Avatar
    tickle Posts: 23,801, Reputation: 2674
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    #5

    Aug 28, 2015, 11:09 AM
    Quote Originally Posted by talaniman View Post
    Build a platform to compensate for the unleveled concrete foundation for the hot tub. It could be concrete or whatever material you like.
    I do t think concrete over concrete works because of the curing time. The new concrete won't cure. But a hardwood platform may work, like mahogany. You didn't use a level? Wait for more qualified suggestions from our experts.

    Thanks for for posting Here !
    talaniman's Avatar
    talaniman Posts: 54,135, Reputation: 10852
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    #6

    Aug 28, 2015, 06:29 PM
    This seems to be the easiest solution,

    EZ PAD® - Hot Tub Spa Pad, Hot Tub Installation Base, #1 Brand

    https://www.youtube.com/watch?v=Fsuha-XMXUQ

    And there is this,

    How to Pour a Leveling Layer of Concrete Over the Existing Uneven Old Concrete Floor | eHow

    Leveling/repairing concrete slabs is done all the time. Preparing the old slab is the key.

    I think this is what Tickle is alluding too.

    The Disadvantages of Pouring Concrete Over Existing Concrete Slab | eHow

    However you have so many options it comes down to your own personal taste and pocket book.

    Others are bound to come along with their own ideas.
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    Jobino Posts: 6, Reputation: 1
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    #7

    Aug 31, 2015, 08:44 AM
    We did use a level, however were sloping for the grade away from house.
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    Jobino Posts: 6, Reputation: 1
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    #8

    Aug 31, 2015, 09:04 AM
    Quote Originally Posted by Jobino View Post
    We did use a level, however were sloping for the grade away from house.
    What about building a form around and level at top and pour pea gravel on top of concrete? Do you think this would work?
    tickle's Avatar
    tickle Posts: 23,801, Reputation: 2674
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    #9

    Aug 31, 2015, 11:19 AM
    Quote Originally Posted by Jobino View Post
    What about building a form around and level at top and pour pea gravel on top of concrete? Do you think this would work?
    That sounds quite feasible to me !
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    Jobino Posts: 6, Reputation: 1
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    #10

    Aug 31, 2015, 01:06 PM
    Quote Originally Posted by tickle View Post
    That sounds quite feasible to me !
    Thanks, you all have been a great help!

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