The area of the wall to be tiled minus the area of the window is 37 square feet.
Tiling with unlevel walls.
If you put a 48 straight edge up against the most sunken areas there s a gap of almost a 1 2.
There are numerous ways to make a bumpy uneven or unlevel surface ready for tiling.
Plastering backer boards and self levelling compound are all great options.
Believe it or not there are more uneven walls and floors than there are even ones.
Short answer to how to prepare an uneven wall or floor for tiling.
The problem is that the wall is uneven.
It simply involves applying mortar as normal to the substrate but then also applying mortar to the back of the tiles.
Here is an easy way to set your 1st row and the rest going up your wall then lastly the first row is set.
Things you will need measuring tape tile wet saw leveling spacers and wedges trowel thinset mortar rubber mallet grout grout float grout sponge.
Extra mortar is applied to areas that need it either areas with dips in or areas with thinner tiles.
I explain why this method works soooo easy.