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