If a load bearing wall is removed on the first floor then the second story floor joist or trusses may drop down in the area where the load bearing wall was removed.
How to fix sloping floors on second floor.
Common reasons for sloping or sagging second story floors.
Before embarking on the floor leveling project here take a simpler approach first.
Sagging floor issues often relates to framing issues or the loads that the floors are carrying.
Except for that slope the floor itself might be flat.
The cause of these may be the same or may be different.
Sloping floors verses sagging floors these terms are related and a sagging floor actually has a slope from each side of the sag.
Slanted floors can also cause cracks over windows and doors or make doors and windows stick and tough to operate.
Thre ways to fix a sagging or sloping floor.
For rooms that have a general slope the issue may be foundation problems that require the assistance of a foundation repair company or a general contractor.
Load bearing wall removed or altered on first floor.
Thus by repairing your out of level floor you may find the windows and doors in your home are a whole lot easier to use and last longer.
Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material sandwiching the member on either side with plywood is sometimes worthwhile but the plywood must be installed correctly for greatest strength.