How to Apply Thinset Mortar for Tile

Close-up view of gray thinset mortar beneath stone tiles, with cross-type spacers.

Step-by-step DIY instructions for mixing and spreading thinset mortar for a tile installation Whether you’re tiling a floor or a countertop, first and foremost be sure to use thinset mortar that is latex- or polymer-fortified. Otherwise, it is likely to crack, resulting in loose tiles. You can buy “polymer-fortified” thinset mortar that you mix with […]