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.
Pricier grades of metal wall tile can be as high as $57 per square foot. In regards to tile installation costs, consumers can expect to pay an average of $25 per square foot, depending on the grade of material that is used. For a medium-sized shower, the price can cost about $2,000.imestone averages at $5 per square foot. Slate wall tile costs $3.78 per square foot. Marble varieties of floor tile are readily available at an average of $6 per square foot, and polished marble wall tile can be found at $10.90 per square foot.