Can I Use Thinset to Level Wall

Avoid using thin set mortar as patch at all costs! … In fact, most manufacturers indicate in their product literature NOT to use thin set mortar to level or flatten the floor or wall.

Can you use thinset as a leveler?

You can use thinset to install tile over an uneven cement floor and leave the floor perfectly level. You can also use thinset mortar to level out an uneven cement floor or fill small holes in the floor without installing tile.

Can I level a wall with tile adhesive?

If there are larger gaps behind the plank, you will need to apply tile adhesive to level the wall surface. We’re sure you’ll be itching to get your new tiles up, but if you take the time to prepare the walls for tiling first, you’ll be much more satisfied with the finish.