How do we put tiles on shower walls to put over the top of old walls.m

we want to put tiles on the 3 walls in shower, over the older walls, one has a window halfway up it , mostly due to the window being there, make it water proof and mildew proof?

  2 answers
  • Mary Waechter Mary Waechter on Aug 01, 2018

    It depends on the composition of the older walls. I would suggest taking out the older walls, and replacing with a concrete product made for showers, such as Dur-Rock.

  • Barb Adams Barb Adams on Aug 01, 2018
    To get a really nice result, I suggest taking down the old tiles and any plasterboard behind them. Instead of plasterboard, which is not waterproof and not recommended for wet walls, install cement board available at big box stores. This comes in sheets like plywood and provides a great base for the tiles. Here's a guide to help you get started: