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Hire someone. This is not a do-it-yourself type of project. The contractor will essentially drill holes in the low parts of the foundation and pump a new concrete mixture (although it is not pure concrete anymore) underneath your current slab, which with enough pressure, will cause it to lift. You will have to have portions of the floor removed (whatever is on top of the slab) to get down to the slab however, so costs can add up quickly, unless you just have carpet everywhere (which is easy to remove and replace).

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15y ago

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