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Posted by JimL on July 7, 2006, 10:32 am
wrote:
>
>I am going to place a new spa on a section of my flagstone(over slab) patio.
>Though the flagstone is, for the most part flat, it isn't quite level, and
>there are slight variations in the height of the stones.
>SO, what I need to do is basically create some sort of pad, or deck the will
>be level and flat and support the weight of a spa.
>
>My first inclination was to frame out and level a form, fill the gaps
>between the form and the flagstone and pour a slab on top of the flagstone.
>I had the idea as well to lay down a heavy duty tarp and place the form on
>top of it, pour the slab and then trim it down after the slab has cured.( to
>prevent the concrete from ruining the flagstone if I ever want to remove the
>slab).
>
>What thickness slab would be sufficient in this application? ( spa weights
>in at 4000-4500lbs, 91"x84")
>
>Any other ideas on how to accomplish this?
>
There is only one correct path for installation of your spa. Follow
the instructions that come with spa. Don't even think of varying
from what they specify.
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