How To Remove A Single Wall Tile. Removing wall tiles is different, and more difficult, than removing floor tiles because wall tiles are typically set very close together, with minimal grout when removing a single tile, remove the grout on all sides of it to avoid damaging the others around it. I'm pretty sure the tile is original to the house, which is 34 years old (1978).
Everything i normally write is about building your brand new awesome shower.
Maybe i am missing something. I'm having problems deleting tiles from a layer at runtime. In either case, you will most likely have to remove an existing tile. Have some drywall jointing compound to hand just in case the wall gets damaged.