Tiling a Backsplash with Decorative Tile Inserts

One way to add more detail to a basic backsplash is by interspersing some decorative (deco) tiles among the field tiles. This example shows a pattern of diagonally oriented deco tiles set in an alternating pattern across the backsplash. Decide on your layout before you begin.

You’ll start setting tile from a plumb vertical line on the wall that’s lined up with a grout joint in the center of your countertop 1. After cutting field tiles as necessary to fit around the decos, spread thinset over the area on one side of the line and press the first tile firmly in place 2. Continue setting cut and uncut tiles, as specified by your pattern, spreading more thinset as necessary for subsequent rows 3. Use a beating block and hammer to embed the tiles into the thinset, making sure their faces are flush with one another. Use wedges under the first row of tiles to form an even joint between the backsplash and the countertop tile (you’ll caulk this later). Continue inserting wedges between subsequent rows of tiles to hold them in place while the thinset dries 4.

If you need to tweak the position of tiles, try lifting them with a margin trowel, checking each row to make sure it’s level 5. Once a section of the backsplash is set with field tiles, set the decos in place while the thinset is still wet 6. If the thinset has skinned over, scrape it off, back-butter the deco tile, and install it. Use wedges to adjust the position of each deco, so it’s evenly spaced from the surrounding field tiles 7, 8. Continue spreading thinset and setting tile on the other side of the reference line.

If the splash will butt up to an upper cabinet or shelf, measure, cut, and install those tiles as you go. Be sure to leave a small gap between the top of the tiles and the cabinet for a caulk joint.

	1.  A plumb line drawn on the wall helps you line up the grout joints of the backsplash tiles with the tiles on the countertop.
	2.  Apply and comb thinset on one side of the plumb line and press tiles into place.
	3.  Continue setting both cut and whole tiles per your layout pattern, aligning them to the plumb line.
	4.  Use wedges to help maintain even grout joints between tiles and hold them in place until the thinset dries.
	5.  Check each row of tiles for level. Lift any low tiles with a margin trowel, then insert wedges to keep the tile in place.
	6.  Set the deco tiles into your backsplash while the thinset is still pliable.
	7.  Wedges help keep an even grout joint around each decorative tile.
	8.  An alternating pattern of attractive deco tiles gives this backsplash nice visual interest.

Excerpted from Tiling Complete, 2nd Edition by Robin Nicholas and Michael Schweit.

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