I try to make my pre slope the correct thickness at the drain so it will be 1 1 2 at the walls.
How to make a slope in a wood floor.
Except for that slope the floor itself might be flat.
So mark a line 1 1 2 from the floor all the way around the wall studs.
When installing a floor drain on most indoor floor surfaces it is important to slope the floor slightly so that water will flow toward the drain efficiently.
Too much slope will create a poor feel to the floor and cause the unsettling sensation of the room being crooked.
Another is to lay the planking perpendicular to the floor joists to prevent cupping bowing.
Some even space every row when using diy plank or plywood.
For example a floor that extends 4 feet away from the drain should have 1 inch of overall slope.
In many cases fixing a sloping floor is an expensive and lengthy operation.
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.
Mix up some concrete mix in the mixer.
This will be the height of your pre slope at the walls.
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.
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.
It might also be difficult to find the right company to do the job.
Failure to achieve adequate slope will result in standing water problems.