So would it be an issue to build the shower with the pan liner below the mortar bed and install a waterproofing membrane on the shower curb and corners only but not across the entire shower bed.
Making a concrete shower curb.
It is a simple diy process and i use three 2x4s to build a nice curb for the shower in my washroom.
A great and well made shower curb does all that and is fully waterproof.
Would this still be an issue with mold on the corners even though the rest of the mortar bed would only have the liner below.
There is no better way to build a curb.
Shower curbs on top of a wooden subfloor on the other hand use wood as the basis for the form of the curb.
Traditionally wooden curbs utilize lengths of two by four lumber cut down to the width.
In this video i show you how to build a shower curb.
The curb is the edge of your pan that isn t along a wall and where you would step into the shower.
This metal metal mesh is a diamond mesh specially designed for cement floating and it i.
This means it doesn t take in water through leaks allowing it to last longer.
Find the length of the side of your shower area that doesn t have a wall.
Using cement mortar to complete your shower curb is necessary even when you ve selected the cement backer board method for the shower walls.
As you might expect different people use different methods to build shower curbs.
This video shows how to create a shower curb frame from a metal mesh.