Floors that slope 2 or 3 inches in 20 feet would be a very serious concern.
The first floor slanted.
In some cases the slope is caused or aggravated by similar deflection in the girder main bearing beam that supports one end of the joist sets but even this scenario there is usually not a problem that needs repair.
Load bearing walls being modified moved or removed.
Floors that slant or slope floor slopes and slants are common in old houses.
If the floor is only sloping on the first story of your building then the reason could be damaged or missing support or joists.
If floor sloping is limited to the first story of the house that is there is no corresponding slope to the 2nd story floor then the reason could be missing support posts and damaged joists.
On the first floor bedroom the floor slopes down by about 5cm from the start of the door frame to the wall.
Water damage pest termites or deterioration exist.
Sometimes you may notice sloping only on the second story of the structure.
If there is sloping on the second floor though there could be serious structural issues that need to be addressed.
Foundation issues deteriorating wood supports especially sills which rest on the foundation footer improperly installed joists or sub floors and other issues can all cause a floor to slope or sag.
Floor joist are damaged undersized or over spaced.
Except for that slope the floor itself might be flat.
There are lots of reasons that might cause sloping floors in a.
If the first floor is level and the second floor slopes then there is a possibility of.
Sloping floors in the first story.
Sloping on the first floor.
Nearly all will say that if a floor slopes 1 and 1 2 inches in twenty feet or more that there should be further investigation.
A slant slope situation might be one where over the course of 15 or 20 horizontal feet the floor slopes down one or two inches.
The top of the door frame is also sloped down.
However if the second floor slopes along with the first floor then there could be a more serious structural cause such as foundation damage or settlement.
Basically they are saying if a floor is sloping over a 1 2 to 1 inch in twenty feet then there is concern.
In many cases fixing a sloping floor is an expensive and lengthy operation.
Supporting post or beams have been removed modified or cracked.
If your house is built over a basement first inspect all of the basement support beams and posts where they meet the floor.
Sloping floors are most often caused by normal and acceptable deflection bend in the wood joists which comprise the floor structure.
How to inspect your home when your floors are sloping.
Sloping on the second floor.
This is not a quick fix and for a first time homeowner with a limited budget and not much experience with houses i d stay away.