For instance if you are tiling over a painted.
Tiling over a painted wall.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Additional considerations for a vertical tile installation on gypsum board include.
Walls can take on a new look when old paint is covered by new tile.
I tiled on emulsion thinking i would get away with it.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
If you re not sure if you have lead paint test kits are available.
Weight of the installation.
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.
I would suggest marking just below where the tiles are to finish.
Wall preparation is an important step when you in install tile on a painted wall.
Your good to go just make sure the tiling and grouting is done to a very high standard if water is able to pass to the wall you will end up with damp problems.
With the exception of glossy paint any type of painted wall including textured paint can be tiled as long as the wall itself.
Answered 19th jan 2017.
Flatness of the substrate.
Or prime and paint the entire wall room before starting with your tile project.
Choose the right materials for the location.
If your paint tests positive call a professional.
Only on the boarder tile mind.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
The board is not being prepared for painting papering or any other surface finish.
Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling.
Score the wall with a stanley knife all over the area to be tiled the more heavily the better.
Can you install tile on a painted wall.
Let the wall dry thoroughly.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Previously painted textured drywall prep.
Then give a couple of coats of pva or sbr bond.
Choosing the right tile.