Only on the boarder tile mind.
Tile over painted wall.
However this requires careful consideration and extra properties from the adhesive.
If you re not sure if you have lead paint test kits are available.
Paint with epoxy paint.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Press the tiles into the mortar in the same pattern you.
Sand the old tile step 4.
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.
Previously painted textured drywall prep.
Wall preparation is an important step when you in install tile on a painted wall.
Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling.
Preparing the drywall requires that the surface be roughed up with a sanding sponge prior to applying the mastic to adhere the tiles in place.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Things you will need orbital sander 80 120 grit sandpaper safety glasses dust mask rags tape measure pencil 48 inch spirit level mastic or thin set mortar grooved trowel tile spacers tile cutting tool grout grout spreader sponge grout haze remover optional distilled white vinegar optional.
Scrape away any loose or peeling paint or wallpaper.
It is possible to tile over painted drywall as long as the drywall is sufficiently prepared beforehand.
If your paint tests positive call a professional.
Choose the right materials for the location.
However sometimes is it much easier to tile over tile the existing layer.
Clean the old tile step 2.
For instance if you are tiling over a painted.
Can you install tile on a painted wall.
Repair chips and cracks step 3.
The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall.
Apply primer step 5.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.