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Level from underneath

Posted by Dave on September 12th, 2000 08:17 AM
In reply to Sagging Floors by KEN on September 12th, 2000 07:54 AM [Go to top of thread]

Unless you rebuild the floor completely, the best way to level a sagging floor is to jack it up from underneath. However, you want to do it slowly (over a few months' time) or else you'll have a lot of settling which will loosen joints and cause the plaster to crack. I think you can still do it ... Put some screw-jacks under the floor & lift up that 4x6 beam. You don't want to lift more than probably 1/8 inch per week. Every week, go into the crawlspace and turn the screw another turn. When the floor is finally level, you'll have to make the posts longer somehow - either by blocking or replacing (depends on what's possible in your particular application.)

...Probably not the quick solution you were hoping for ...

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