08:40PM | 07/11/06
Member Since: 06/16/06
3 lifetime posts
Is there a standard or rule of thumb for how quickly I can raise a sagging beam that supports my floor joist. The home is 90 years old and due to some previous notching of a couple of the floor joist to allow for duct work, plumbing, etc, the floor above has a significant slope. I'm not trying to restore it to level, just improve it. I have heard a range of one turn a day(on the floor jack) to one-half turn a week. Any suggestions?

Mark Hammond

01:42PM | 07/14/06
Member Since: 05/09/01
246 lifetime posts
I would agree with the one turn per day on a screw type house jack. In the past this has always worked well for me with no damage to the buildings. You can raise the joists until the doors and windows work freely again as a rule of thumb. MJH


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