Sand the paint on the wall using 80 grit sandpaper.
Tiling bumpy walls.
Place a wide drywall knife on the wall at a 45 degree angle.
Prep a wall for tile.
Measure the wall where you want to install the tiles.
Prime to seal it and let dry.
Wipe with a damp cloth to remove any remaining dust and allow to dry.
If you had to remove pre existing tile or fix holes and cracks there are likely bumps in the wall.
You may also paint this area if only tiling a portion of the wall to minimize cut in work around the tile.
However if you want a more unique approach you can put peel and stick vinyl tiling on your walls.
Do not smooth the wall completely.
Just remove the roughest part.
Vinyl tiling can be used for a broad variety of applications in your home most commonly your floors.
On dec 17 2019.
Mark off an area of equal size on the floor nearby.
How to install wall tile over textured paint 1.
Look for 100 grit or 80 grit sandpaper and wear a mask to protect your lungs from the particles in the air.
Sand the wall with medium grit sandpaper 80 grit to further smooth the texture creating an even surface on which to apply the tile.
Cut the tiles to.
Things you will need measuring tape tile wet saw leveling spacers and wedges trowel thinset mortar rubber mallet grout grout float grout sponge.
This is commonly done in the bathroom or kitchen to enhance the decor and make the walls easier to clean but you can make your choice on what room you want it in.