Vacuum the wall and.
Prep textured wall for tiling.
Remove old fittings such as pins screws rivets etc.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
Previously painted textured drywall prep.
Sand the wall with medium grit sandpaper 80 grit to further smooth the texture creating an even surface on which to apply the tile.
Sand so that the adhesive can bond.
Place a wide drywall knife on the wall at a 45 degree angle.
Drag the wide area of the scraper across the paint in all directions to remove as much paint as you possibly can.
Then fill in the cracks and holes present and use sandpaper to fix any uneven areas.
Scrape away any loose or peeling paint or wallpaper.
Wait for it to dry then use a filler to make it an even surface.
To do so make sure all of the tiles are intact and secure.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
Repair any loose or cracked tiles.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Sand the wall with a medium grade sandpaper to create that rough surface for the grout.
Use either a hand held sander or an electric sander.
Get rid of or pre treat wallpaper if present repair any cracks or signs of damage.
How to prepare for tiling a wall.
Make sure there is no dust or heavy particles.
Move the knife in upward downward and sideways directions loosening and removing the surface of the texture from the wall.