Concrete is poured back in the trench to level the slab, and the new floor is covered with ceramic tile. Another option is to install a Saniflo plumbing system above the existing concrete slab.

If you still want to install a classy-looking tiled-floor shower stall yourself, you will have to understand a few simple facts about ceramic tile and the concrete slab floor below it.

Ask the Builder: Installing ceramic tile outdoors Freezing water under the tile caused the tile to lift off the concrete. The tile setter made at least one mistake. (Tim Carter/Tribune Content Agency) ...