Jacking Up A Floor Joist

Shows raisinge a sagging floor gradually with bottle jacks.

Jacking up a floor joist.

The only tools required is a bottle jack string straight claw hammer circular saw and a light source. Make repairs to settling piers and weak joists to fix swagging floors and roof lines. On both sides of the problem area. By jacking up the ceiling of the basement you.

Set a hydraulic jack and post under the beam and jack up the joists about 1 8 in. Figure 3 jacking up floor joists. Jacking up a floor and leveling it is easy with these simple instructions. If a crack or sag is isolated to one area the sister joist should extend at least 3 ft.

After the old joist is lifted by the jacks the new joist will now sit on the supporting walls or wall and i beam in our case while the old is lifted off of the structure. Jacking them up too fast may cause cracks in the walls and floors overhead. Raise each jack by 1 8 inch at a time this will help to reduce any damage to window frames and plaster or drywall walls above the floor. A day until they re level.