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I am preparing to get estimates for a 12’x 26′ concrete patio and would like to know if I will need a footer. I do not intend to use the patio as a slab to build on in the future. We are located in southeastern PA.
Thanks,
Jim
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Replies
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The biggest factor is soil compaction. If your home is newer or if fill was placed to raised the grade, you may want to consider a footing. If not continuous, at least piers, 12"x12"x 24" or 30" deep, cone shaped and mono poured with the slab. If compaction is good you may only need a shallow grade beam, a mono poured thickened slab, a mini footing. Size depends on, again, compaction.
I presume the slab runs 26' against the house and 12' out. If reversed, I'd run a grade beam at mid point and at the outside edge.
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I am preparing to get estimates for a 12'x 26' concrete patio and would like to know if I will need a footer. I do not intend to use the patio as a slab to build on in the future. We are located in southeastern PA.
Thanks,
Jim