In another post i asked about how to fix a very uneven floor in a very old house.
How to level an uneven floor in an old house.
The only problem with owning an older house is that you can run into a myriad of problems.
Old houses often have floors that are less than perfect.
Adjust the strip as needed.
Even historic houses have saggy sloping floors.
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 you have uneven floors in old house issues you can rectify this.
You re dealing with older material.
I received the following answer from jay which is greatly appreciated.
Then you can level the floor and.
Having an older house can add a lot of character especially if you are into that style and design.
Position the leveling strip on the floor and see if the top edge of the strip checks out as level.