How To Jack Up A Floor To Level It

The only tools required is a bottle jack string straight claw hammer circular saw and a light source.

How to jack up a floor to level it.

Place one end of a level on the high spot and the opposite end to a predetermined level area on the floor. Instead it may be an issue with joists and beams below your floor that require shoring up. Figure 3 jacking up floor joists. A screw jack is a metal support post that can be adjusted to level the floor.

This determines the length of the new post. It consists of two heavy steel pipes one inside the other. The inside pipe is threaded and adjusted up and down by turning a large wing nut. Jacking up a floor and leveling it is easy with these simple instructions.

As with other structural repairs jacking must also be done appropriately. Make repairs to settling piers and weak joists to fix swagging floors and roof lines. 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. It took a long time for your floor to sink so you can t push it back up quickly without causing cracks and stress in the building.

For instance you may have a dining room floor that end to end is level but between those two points are various sags and dips. Make sure that the lumber or lally posts are perpendicular when jacking or. The screw jack is attached with nails to the underside of the girder and to the wood block atop a concrete pier. Then measure the distance between the bottom of the level and the level area of flooring.

The 4 inch lally posts can be replaced by 6 x 6 inch lumber. In some cases pouring floor leveling compound will fix the problem. Jacking must proceed slowly. Figure 3 shows the jacking process.

Your foundation may not be the problem. The long term solution for your sagging floor is to remove the flooring replace or fix the problems with the foundation that may contribute to the sag and replace the flooring. If you have a sagging floor you may need to use floor jacks in order to restore any low points and re level the floor using floor jacks to level a sagging floor should be viewed as a temporary solution to your problem.