Basement causing kitchen floor to rise?

Old 06-06-02, 11:30 AM
Debbie Ann
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Basement causing kitchen floor to rise?

I have an old house, with a full finished basement. The kitchen floor (above) the basement is very uneven, actually has a large hump in the middle of the floor. The kitchen floor is not cracked that I can tell. I'm certain this hump has been there for years and years. It's a great conversation starter, however it is a real problem. Can a problem with the basement be causing this? Where should I look in the basement to find what is causing this? The ceiling in the basement is finished. Any ideas would be greatly appreciated..... Thanks, Debbie
Old 06-06-02, 06:28 PM
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My best guess would be settlement of the foundation. If you could see where the rise is in relation to a beam that would confirm it. I have the same thing in an old house I am renting...on the driveway side there are a few wide gaps in- between the cinderblocks, and on the outside you notice at least a 6 inch buckle corresponding to that.
How to fix yours? Depends on the nature and extent of settlement. If your foundation has settled in a "differential" fashion, i.e., cracks that go completely through where some spots have settled more than others it may take a strucutral engineer to properly assess. Some folks have taken hydraulic jacks to the structure in order to reinforce the footer (which also requires excavation). As you would guess, such a process is not cheap, costing in the 10s of thousands. may not have that - perhaps someone can come in and take a look. I'd be interested in the cause myself.

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