Building A Shower Pan On Concrete Slab

It should rest directly on the concrete slab.

Building a shower pan on concrete slab. There are 3 more components to my shower pan. Find the length of the side of your shower area that doesn t have a wall. We first need to frame in the shower pan with 2x10 lumber around the bottom of the floor and regular 2x4 studs up the walls.

To be able to know how to build a concrete shower pan you need to have mortar concrete backer board and tiles. The drain can be anywhere on the pan as long as we slope the concrete for proper drainage. A concrete slab is stronger and stable giving an excellent surface to work on.

Once the threshold is finished and concrete board is on the surrounding walls it s time to create the concrete slope inside the shower pan liner. There are several ways to make a shower pan waterproof a pre made pan can be used made of plastic or concrete. The curb is the edge of your pan that isn t along a wall and where you would step into the shower.

Just don t let the concrete slab trick you into thinking that you don t need to waterproof the shower pan because you do. The drain the concrete mud base and the waterproofing membrane. But you already knew that from the last post where i build the shower curb.

Use pressure treated wood to frame the wall of the bathroom. A shower pan works as a waterproof dam sloped toward a drain. Build a curb for the shower pan using 2 in 4 in 5 1 cm 10 2 cm boards.

Building a shower stall over a concrete slab is a straight forward process. There are several different methods to build a shower pan but i decided to go with a mortar bed and schluter kerdi waterproofing membrane. Concrete will absorb water and you will have no idea where it travels and what it is effecting.