Lay the Tile. Mix thin-set mortar according to directions. Use the flat side of trowel to apply the thin-set and the comb edge of the trowel to create grooves (Image 1). This will give you a really tight connection to your slab. Set the tiles by gently sliding into place. Use spacers to achieve consistent gaps between tiles (Image 2).
The Costs. Minimum cost of bathroom wall tiling: $2.50-$3.00 per square foot. Maximum cost of bathroom wall tiling: $7.00-$8.00 per square foot. When considering a bathroom wall tiling project, homeowners are often most concerned with the costs associated with the installation.
Cultured marble shower wall panels ranged from $8 a square foot to $24 a square foot in 2017, depending on color and finish. A cultured marble shower will be fairly uniform in appearance with a high-gloss finish. The veining is subtle, and there is little variation from panel to panel.