Thinset can be used to level out an uneven cement floor before installing tile. In addition to filling small holes in the floor and leveling an uneven cement surface, thinset mortar can also be used to level out an uneven cement floor.
Can you use thinset mortar floor leveler?
As the tile is being installed, thickening thin set to fill in the gaps is not a good idea because it can lead to unevenness. In fact, most manufacturers advise against using thin set mortar to level or flatten a floor or wall in their product literature.
Can I use thinset to level a wood floor?
Isn’t it obvious that mortar would work for leveling or patching a concrete slab or a wood subfloor because it will adhere to both of them? According to the facts, that’s not the case. Leveling or patching a floor with mortars is never, ever a good idea!