So as what you are really accomplishing is creation of a diy panel you will need to instead place and glue your tiles first on something like plyboard polyboard or sheet masonite while it is lying flat.
Tile on a knock down wall.
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Spread a small amount of mortar in an arcing fashion onto the wall where the tiles will be laid using the grooved edge of the trowel.
Put on a pair of safety goggles before you start removing the tile then place the chisel at a 45 degree angle between the tiles and hit the end of the chisel with the hammer to separate the tiles from the wall.
Move the knife in upward downward and sideways directions loosening and removing the surface of the texture from the wall.
Basically anything but carpet why would you ever do that.
Take this time at home and knock out some home improvement tasks.
Use a chisel and hammer if you need to remove existing tiles.
Sand the wall with medium grit sandpaper 80 grit to further smooth the texture creating an even surface on which to apply the tile.
For harder to reach areas around the sink i used a low grit sanding sponge.
The suction of the vac helped the sanding screen snugly slide along the wall i highly recommend sanding screens even if you don t use a sander like this one.
Then peel away the outer protective film and begin installing the tile.
Use either a hand held sander or an electric sander.
Sand the wall with medium grit sandpaper to further smooth the texture creating an even surface on which to apply the tile.
After lots of research it seems that the general consensus is you can definitely build a wall over existing tile.
I started with removing the drywall from the existing wall so i would have access to the studs behind it.
Preparing the existing wall.
Move across the wall and then downward sanding the entire surface of the wall.
Unroll the adhesive mat and cut it to fit the backsplash space using utility scissors or a utility knife.
Knocking down a wall will create a lot of dust and debris.
As with anything you plan to fasten to a wall it is most durable when fastened to studs.
Place a wide drywall knife on the wall at a 45 degree angle.
Really unless it is a panel you should heed that generalism at all times.
They knock down any textures in drywall much faster than regular sandpaper last much longer.
Press the tiles into the mortar in the same pattern you.
Protect the rest of your home by taking the following precautions.
Use either a hand held sander or an electric sander and start in one of the upper corners of the wall.
Plywood will better protect hardwood ceramic tile or other fragile flooring types.