Shower Pan Slope
Start with a solid clean and properly supported shower floor.
Shower pan slope. 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. If you are going to start with a preslope here is the how to. The function of the slope in a wet area pan is to motivate all water towards the drain under the tile and thin set is a inclined mortar base that creates the incline for you to lay your tile. This is where i failed miserably the first.
I will show you in this video a step by step process how to do it. This slope will encourage water that travels from the shower walls and onto the shower floor to lead directly to the shower drain. Since our shower had an average width of 3 ft we sloped up from the 1 4 in. Thickness around the shower walls and curb to get the necessary 3 4 in.
Using a wood float trowel level and a stick of lattice i show the proper way to obtain the 1 4 per foot of slope required for. And be sure to tackle all of the prep steps first. It will set the proper negative slope for each layer that will sit able it. 36 x 60 linear shower slope kit right drain with ready to tile in linear shower drain includes waterproofing accessory kit and 4 x 4 x 61 shower curb cut to fit linear shower pan in the field 5 0 out of 5 stars 1 635 00 635 00.
This slope according to the tcna handbook is called sloped fill or commonly known as the pre slope. Mix 1 part mortar to about 3 parts sand mix. Sower pan pre slope under the shower pan liner is an crucial part of a successful tile shower installation. In a stall shower the plumbing code requires the floor be sloped one quarter 1 4 of an inch per foot in order to carry the water effectively to the drain.
Thickness of the drain to a 1 in. Under that incline is the pvc liner which is on top of your preincline. A pre slope is installed under the shower pan liner and over the shower base floor which. This sloped material is installed under the pan liner waterproofing membrane.