Extremely Sloped Floors

If the slab elevation at the trench.

Extremely sloped floors. Though they have tile or carpet it is evident that this is laid on top of the poured concrete of the foundation which is what s actually sloping. Aci 117 90 standard specifications for tolerances for concrete construction and materials gives a level alignment tolerance of 3 4 inch for top of slab elevation of slabs on grade. Measure the distance between the string and the floor as you move a ruler from one side of the room to the other. Except for that slope the floor itself might be flat.

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. Mark the amount of the slope in inches with a pencil directly on the subfloor. 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. Sloped floors are common in older homes and even in homes as new as 15 to 30 years.

In some cases the slope is caused or aggravated by similar deflection in the girder main bearing beam that supports one end. Sloping floors are most often caused by normal and acceptable deflection bend in the wood joists which comprise the floor structure. I m starting to look at houses and a number of them have bedrooms or offices on the ground level with very uneven floors generally sloping severely from one side to the other. Slightly sloping floors which are common in older houses often worry homeowners who want to install new rigid floorings such as laminate ceramic tile or hardwood.

A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified.