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Cannotuse t1_iynlt2d wrote

Check with a concrete leveling company. I know in a neighborhood near me, they used foam injections under several stone columns to correct leaning.

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[deleted] t1_iynxz77 wrote

Mud jacking is the term

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Fresh613 t1_iyodwb7 wrote

My buddies mom is known for that.

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barto5 t1_iyoh0zl wrote

Mudjacking is a term. It’s not the right term for this though.

What op described is known as PolyFoam injection.

It accomplishes the same thing as mudjacking but it’s a completely different process.

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missionbeach t1_iynw4xk wrote

My friend had some driveway sections leveled, and it turned out great. This would be a lot heavier, but I'm sure the experts know what they're doing.

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barto5 t1_iyoiamk wrote

The weight is less of an issue than the area.

It’s actually much easier to control the lift on a large slab, say 12’ x 12’ than it is on the footing of a column which is probably no more than 3’x3’

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palmej2 t1_iyolntt wrote

I'd go with a cementitious grout over the "foam", but point out that while this will correct the lean temporarily, it will not address the problem of subgrade shifting. I'd also recommend something to address that, possibly driving in a corrugated steel sheet (forget the term, but essentially similar to a coffer dam), or some sort of retaining wall type feature

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