A common scenario is to install temporary jack posts and support beams then permanent posts and beams over new footings.
How to jack up a floor in a house.
As the house moves add smaller blocks to support the center of the structure at the new elevation.
Jack the beam up slowly so that it can gradually shift and readjust until level again.
A taut string stretched across the floor will show the amount of deflection and improvement.
Use the other nonsagging beams as your ideal so that you can bring all of the house s beams back into a level arrangement.
Place the jack beneath the sinking beam.
This is a great way to correct problems before installing a permanent so.
More precisely it will never even begin to lift.
The solution to sagging floors or the damaged sills and joist ends that contribute to them often involves jacking.
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Learn the proper way to install temporary support posts and jack up a sinking house.
When the space above the temporary post is adequate to place the jack and reach the structural member above start jacking the house up.
Take your strongest automotive jack from the garage and this jack will crumble under the weight of a house.
Hydraulic jacks are also used.