Sloped Bathroom Floor

The pretty vanity is topped off with carrera marble.
Sloped bathroom floor. To calculate this multiply the length in feet of the farthest wall from the drain and multiply that result by 0 125. If this was helpful please contrib. 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. Floors that slope 2 or 3 inches in 20 feet would be a very serious concern.
As a rule of thumb all areas around the drain should have a similar slope. Place strips of plywood across the floor to fill deeper slopes increasing the thickness of the plywood at regular intervals to correct the slope. 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. Any questions leave in comment section here.
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 amount of slope varies by floor but all floors with drains have the same basic principles as part of the installation. Calculate the amount of slope to be created from each wall. Slope ensures that the water drains every time to avoid buildup that can.
For example fill a 1 inch slope across 8 feet by. Above it is a built in medicine cabinet with mirror. 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. The preferred slope is between one quarter and one eighth inch per running foot of floor length.
Except for that slope the floor itself might be flat. Sloping floors are most often caused by normal and acceptable deflection bend in the wood joists which comprise the floor structure. 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. Basically they are saying if a floor is sloping over a 1 2 to 1 inch in twenty feet then there is concern.
According to code there is no minimum floor size for a bathroom but floor area is only calculated where the ceiling is at least 5 ft. High and at least 50 of this area must have at least a 7 ft. The entire bathroom was designed around the sloped ceiling which is a striking architectural feature. There are several problems that can cause a sagging or sloping floor which is one of the reasons why fixing a sloping floor is difficult.