Sagging Floor question


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Old 01-10-06, 01:00 PM
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Sagging Floor question

I have a 150-yr-old two-story house. The first floor, which has three rooms front-to-back, has sagging floors. The previous owner installed a number of "temporary" jacks under the front room (here in New England, temporary jacks are often seen being used for decades). As a result, the floor in the front room is pretty flat. However, there are no jacks under the floor in the middle room (the kitchen), and that floor sags quite a bit.

The kitchen has recently been re-done, with new cabinets and marble counters (also by the previous owners). I have considered installing a beam across the sagging joists with a lolly column at each end (using jacks to level the floor first, obviously). Can jacks be installed, and that floor de-sagged, without damaging the new kitchen fixtures? How would one go about this?
 
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Old 01-10-06, 01:13 PM
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Can jacks be installed, and that floor de-sagged, without damaging the new kitchen fixtures?
Highly unlikely.
 
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Old 01-11-06, 02:55 AM
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If you decide to do this, do it 1/4" at a time. Let it rest, then the next day, 1/4". It may take you a month to get it where you want it. This is not to say you won't crack the seams of your marble countertops. If you can have a countertop person release the tops where they will float during the lifting process you may avoid the cracks. You will have to reshim the cabinets and possibly the countertops to make them level, since they were made level to a crooked floor. Let us know how it goes.
 
 

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