Proper Shower Floor Slope

Mark this outer height mark along the wall with a pencil.

Proper shower floor slope.

Proper slope on your shower threshold or curb is imperative when planning the installation of a frameless shower door. This series of posts will describe the latter. Mix up some concrete mix in the mixer. I have a builder who has built a marble tile shower for me that has a slope of 1 inch per foot i think it is too steep i would like it redone to as flat a slope as code would allow what is the code in texas for slopes on the shower floors or where can i go to look it up.

To calculate this multiply the length in feet of the farthest wall from the drain and multiply that result by 0 125. The preferred slope is between one quarter and one eighth inch per running foot of floor length. The first is a single layer shower floor which can then be coated with redgard or a similar product or covered with kerdi to waterproof it. If the wall is 3 feet from the drain the cement should rise by 3 4 inches as it goes from the drain to the wall starting at the half inch depth around the drain for a total height of 1 1 4 inches at the wall.

Calculate the amount of slope to be created from each wall. Code for shower slope. A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified. The final slope of the mortar bed should finish approximately 3 16 inch below the top of the shower floor drain.

As a rule of thumb all areas around the drain should have a similar slope. To determine the proper slope measure from the drain to each wall and figure a quarter inch of slope per foot of length. The other is a normal shower floor with a liner which will have two layers a preslope the liner then the top slope which is then tiled. It will set the proper negative slope for each layer that will sit able it.

This slope will encourage water that travels from the shower walls and onto the shower floor to lead directly to the shower drain. The pre slope sits on top of the subfloor and it is the start of your shower pans moisture management. When installed correctly water will shed down the glass door land on the. The exact height depends on the tile s thickness.

To efficiently drain the recommended minimum slope for a shower floor is about 4 percent or a 1 2 inch drop per every 12 inches from the shower walls to the drain. For example a floor that extends 4 feet away from the drain should have 1 inch of overall slope. 4 smooth any rough areas on the floor or walls with a flat trowel.