Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Tile over painted wall.
The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall.
It is possible to tile over painted drywall as long as the drywall is sufficiently prepared beforehand.
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.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
Apply primer step 5.
Sand the old tile step 4.
Wall preparation is an important step when you in install tile on a painted wall.
Repair chips and cracks step 3.
However sometimes is it much easier to tile over tile the existing layer.
I would suggest marking just below where the tiles are to finish.
When tiling an area that is already tiled or painted it is often necessary to invest considerable time in stripping and then repairing the substrate.
Only on the boarder tile mind.
Choosing the right tile.
Clean the old tile step 2.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Previously painted textured drywall prep.
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.
Paint with epoxy paint.
For instance if you are tiling over a painted.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Choose the right materials for the location.
Can you install tile on a painted wall.
However this requires careful consideration and extra properties from the adhesive.
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.
If your paint tests positive call a professional.
Scrape away any loose or peeling paint or wallpaper.
Press the tiles into the mortar in the same pattern you.