How To Fix Uneven Floors In House

Concrete floors can also lift or sink if the soil underneath them shrinks settles or washes away.

How to fix uneven floors in house.

As the posts slowly rot and melt into the floor the house settles accordingly bottom to top. If you have access to the basement or crawlspace it is possible to jack up saggy joists until they are level and then sister them so that they remain straight after the jacks are removed. Raise the lower end of the level until the bubble is centered then measure the distance from the bottom of the level to the floor to find the depth of the dip. Be suspicious of wood posts set on dirt floors or wood posts with concrete poured around the post bases.

If your house is built over a basement first inspect all of the basement support beams and posts where they meet the floor. Fixing a floor that sags and dips pour self leveling underlayment in the problem area. If you need to fix sagging floors there are a variety of things you can do. If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists.

Compound can correct sags and dips as deep as 1 1 2 inches. If your foundation is settling it may be lifting your concrete floor as it moves. You can strengthen or repair existing framing members by adding reinforcing material. Lay a long level downhill on the floor with one end of the level on the level part of the floor and the other end at the lowest point.

You can sandwich the framing on either side with plywood. You can try reinforcing metal but this depends on the conditions you re encountering.