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Homebrewsailor t1_jabt8uy wrote

Reply to comment by Charliefromlost in Cracked joist under fireplace, floor sagging by willxthexthrill

You don’t need to dig below any frost line. Your basement already does that. You’d cut out the floor below your post because you can’t trust the concrete floor. Who knows how thick it is and how well it was done

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Charliefromlost t1_jadfk2u wrote

My crawl space is just a dirt floor and only the foundation wall footings are below frost line. The dirt in the middle isn't dug as deep.

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