Things You'll Need:
- Masking tape
- Paper or cardboard
- Measuring tape
- Granite tiles
- Thinset
- Grooved trowel
- Wet saw
- Sponge
- Grout
- Caulk
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Step 1
Tape paper or cardboard over the countertop and cabinetry to prevent damaging these surfaces during installation of the backsplash. Measure the area you will be covering to ensure you have enough granite tiles. Lay the granite tiles out on the countertop in the pattern you expect to position them on the wall to get an idea of how each tile will fit.
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Step 2
Spread thinset onto a section of the wall with a grooved trowel, beginning in the middle and working outward. Using a 1/16th-inch spacer for alignment, press one granite tile at a time into the thinset, beginning at the bottom-middle and working your way up and out.
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Step 3
Measure the precise cuts needed for tiles that will be placed on the edges and around such fittings as windowsills and electrical outlets. Cut the granite tiles to the appropriate size with a wet saw. Press the cut tiles into place in the thinset.
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Step 4
Wipe the joints with a damp sponge to remove any excess thinset. Mix the dry grout with water according to the directions on the package (each manufacturer has slightly different requirements). Press the grout into the joints between the granite tiles, except the joint between the granite tiles and the countertop. Wipe excess grout from the tiles with a damp sponge.
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Step 5
Apply a thin bead of silicon caulk along the joint between the granite tiles and the countertop. Apply a bead of caulk around any unfinished edges of the backsplash to give it a finished look.
