how to lay tile on a countertop
Laying the Tiles. 1  1. Do a dry run to ensure your tiles fit. 2  2. Mix up your mortar according to the manufacturer's directions. 3  3. Using a notched trowel, lay a roughly 1/4 thick layer of mortar on the countertop.  4. Lay the tile in place, then push it firmly into the mortar to adhere it in place.