Step 1: Watch an Overview Video

Step 2: Prepare the Area

Begin by sanding the area to rough up the surface and help the mastic bond. Find and mark a vertical line through the exact center of the section.

Pre-cut several tiles along the diagonal for the bottom row. Tile mastic, instead of thinset mortar, is used to adhere tile to a vertical space. Scoop out some mastic with the edge of the v-notched trowel and apply it with a sweeping motion to the wall.

Step 3: Place the Tiles

Set the first triangular piece, lining up the point with the vertical line. Continue applying tiles with spacers to complete your pattern. Mark and cut tiles as needed to go around corners and outlets, and use molding or bullnose to finish off any open edges.

After the tile dries overnight, mix the grout. There are many different colors to choose from — even some with additives or membranes that inhibit mold growth and prevent water damage.

Step 4: Apply Grout to the Tile

When applying the grout to the tile, make sure you pack it deeply into the joints. Don't grout the seams next to the countertop and cabinets. When finished carefully wipe the surface using a wet sponge and rinse frequently. Allow the grout to set and then buff the tiles with a soft cloth. Finally, caulk around the edges.