Repair or remove unfit plaster.
Prep textured wall for tiling.
Move the knife in upward downward and sideways directions loosening and removing the surface of the texture from the wall.
Place a wide drywall knife on the wall at a 45 degree angle.
Sand the wall with medium grit sandpaper 80 grit to further smooth the texture creating an even surface on which to apply the tile.
Get rid of any other paint with paint remover.
How to prepare for tiling a wall.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
Remove old fittings such as pins screws rivets etc.
Make sure there is no dust or heavy particles.
Vacuum the wall and.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
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.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
To do so make sure all of the tiles are intact and secure.
How to prepare painted or textured drywall for tiling however first you should remove any signs of paint not firmly or tightly fixed in place.
Previously painted textured drywall prep.
Repair any loose or cracked tiles.
Wait for it to dry then use a filler to make it an even surface.
Sand so that the adhesive can bond.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an.
Sand the wall with a medium grade sandpaper to create that rough surface for the grout.