Clean the old tile step 2.
Tile over painted wall.
Paint with epoxy paint.
Wall preparation is an important step when you in install tile on a painted wall.
Previously painted textured drywall prep.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
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.
Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling.
Apply primer step 5.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
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.
Only on the boarder tile mind.
Repair chips and cracks step 3.
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.
If you re not sure if you have lead paint test kits are available.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Press the tiles into the mortar in the same pattern you.
However this requires careful consideration and extra properties from the adhesive.
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.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
If your paint tests positive call a professional.
The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall.
Choosing the right tile.
Can you install tile on a painted wall.
Scrape away any loose or peeling paint or wallpaper.
Choose the right materials for the location.
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.