Installing ceramic tile in a shower starts with a proper foundation. The foundation consists of WonderBoard or Durock cement board on the walls and a Shower Pan Membrane Liner in the base of the shower, if the shower floor is to be tiled too.
Building a Custom Ceramic Tile Shower starts with a Shower Pan Membrane Liner
If you are thinking about installing a custom ceramic tile shower then you will first need to consider installing a Shower Pan Membrane liner.