How To Level An Uneven Floor Upstairs

If the second story of a home slopes or sags and the first floor is level then there is a pretty good chance that the cause doesn t relate to foundation problems but to other issues.

How to level an uneven floor upstairs.

A subfloor is meant to be flat and level. Over time concrete floors can settle unevenly or become uneven due to cracking and moisture. If not your floor covering which is the solid hardwood laminate tile or other exposed flooring that goes on top of the subfloor will never be flat and level this problem can be fixed but it all depends on exactly what kind of uneven subfloor you have. 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.

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. 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. If the floor is uneven lift up the board until it is level so you ll know how much flooring compound you ll need to even it out. A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.

Often the reason for the second floor sloping relates to framing issues poor engineering past remodeling water damage or pest issues like termites. Thre ways to fix a sagging or sloping floor. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings. If the area is very large use a long straight 2 in 4 in 5 1 cm 10 2 cm board and set your level on top of it.

Whether you want to refinish an uneven basement floor or replace or add new flooring on top of an existing concrete floor somewhere in your home you most likely will need to level the concrete floor.