Building 2nd story deck and pouring concrete patio below

by Kurt
(Rochester, MN, USA)

I am going to be building a 2nd story deck but will be putting the posts right where I am going to be pouring a cement patio. What is the best way to do the footings for this?

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Aug 26, 2011
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Proper footings are required
by: Editor - Rich Bergman

You are going to have to pour the footings for the upper deck first and then pour the cement slab for the lower patio afterwards.

This is the same principle used for pouring a basement slab around footings already poured to support posts in a basement that hold up beams.

If you try to set the support posts on top of a patio slab below it is very likely to crack and break your patio concrete slab. You would have to have it much thicker and steel reinforced.

But that is just the wrong way to do it. Dig and pour a proper footing for the upper deck support posts and then pour the patio slab after.


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