The membrane does not make anything waterproof.
Making a sloped shower floor.
Install the liner over a pre sloped bed as i explain here.
Water that gets into the mortar bed won t be able to drain out.
1 measure from the drain opening to the furthest wall then round up to the nearest foot.
Shovel it into the shower stall working it with your trowel as you do.
On wood you can use regular metal lathe.
Usually this requires that the floor is recessed between 1 to 2 for the minimum size.
The top of the drain must be set below the subfloor of the room.
For instance if the drain opening measures 2 foot 8 inches from the furthest wall then the shower floor should slope 3 4 inch from that wall to the drain.
No matter what the building inspector says it s not a good idea to install a pan liner and then a single sloped mortar bed over it.
To determine the proper slope measure from the drain to each wall and figure a quarter inch of slope per foot of length.
You need to first make sure your shower floor will stay where you put it.
All kits have the built in code required slope and can be used with any shower base pan liner system currently on the market today.
For standard shower sub floor areas with a centered drain or custom shower areas where the drain is within 36 in.
You need to place what is called a cleavage membrane beneath your lathe.
From the floor drain.
Mix the cement in the wheelbarrow.
Shower floor 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.
This is just a sheet of plastic or tar paper stapled to your wood floor first with the lathe placed over it.
A setting or mortar bed is recommended under the entire shower area and must be sufficiently deep so it may be sloped to the drain.
Sticks measure 1 8 in.
Make your diy shower tile experience easier with these pro tips from the tile shop.
When working with the wet concrete strike it gently with the flat side of the trowel to help bring the moisture to the surface and smooth out the concrete.
Make the cement about a half inch deep around the drain assembly.
Calculate the slope by multiplying the measurement by 1 4 inch.
I used an unbonded mortar bed so i have a tar.
The height of the concrete should gently slope from 2 1 2 around the outside of the form to 1 1 4 near the drain.