Quote:
Originally Posted by lsturbointeg
Do you still have to put up drywall if you're using backerboard on the shower walls? Reading up on how to water proof the shower
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No the wonderboard is in place of drywall. Technically you should but a water barrier over the studs and then the wonderboard. Then seal all the seams before you tile over it. The cement board is used in place of drywall because it is much more porous and allows moisture to escape easier if it gets wet.
If you want tile as the flooring then you need to waterproof the floor too, I'm sure anyone in a local department store like Home Depot or Lowes could show you what you need.