How do you repair a tile countertop?
How to Repair Edge Tile on Kitchen Counters Insert the blade of a grout saw into the grout joint. Wrap painter’s tape along the edges of undamaged surrounding tile. Pop off the damaged kitchen edge tiles if they are already loose. Take off all the thin-set mortar that remains behind on the wooden substrate of the countertop’s edge. Stir pre-mixed thinset mortar.