Things you will need measuring tape tile wet saw leveling spacers and wedges trowel thinset mortar rubber mallet grout grout float grout sponge.
Tiling with unlevel walls.
The mortar is spread.
There are numerous ways to make a bumpy uneven or unlevel surface ready for tiling.
The problem is that the wall is uneven.
Short answer to how to prepare an uneven wall or floor for tiling.
Extra mortar is applied to areas that need it either areas with dips in or areas with thinner tiles.
The area of the wall to be tiled minus the area of the window is 37 square feet.
If you put a 48 straight edge up against the most sunken areas there s a gap of almost a 1 2.
Back buttering is a trick used for tiles of uneven thickness like ungauged slate or handmade tiles extremely large tiles or for tiles being installed on an uneven surface.
Back buttering is a common solution to tiling uneven walls and floors or using tiles of varying thicknesses.
Believe it or not there are more uneven walls and floors than there are even ones.
Plastering backer boards and self levelling compound are all great options.