You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Tile over sheetrock walls.
If you re not sure if you have lead paint test kits are available.
How to tile over painted drywall.
In areas of high moisture such as walls in a shower for long term durability it is not advised to install tile over drywall even if the drywall is type mr moisture resistant.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Step 1 obtain materials from home improvement center.
Step 2 fill holes.
If it s just white or grey tile away to your heart s content.
Continue sanding the area until the paint is no longer shiny.
In areas that are exposed to an abundance of moisture it is better to install a cement board as a backer rather than a gypsum board.
Measure the width of the wall and divide the number by two to find the center.
Step 5 grout.
How to tile over sheetrock.
Step 3 apply primer to the sheetrock.
Use a utility knife to remove a little 1 2 square section of paint paper from the face of the drywall.
Step 4 place tile adhesive on the sheetrock.
If the paper is green it s greenboard and you shouldn t tile over it.
It will be fine to tile over drywall in low moisture areas such as tiling around a fireplace.
Sand the wall with 80 to 120 grit sandpaper on an orbital sander s pad.
Compare this to the common practice of tiling over drywall and you get the idea that you have a totally different shower by using a product that is meant to function in the shower.
Purchase the joint compound putty knife primer adhesive and other materials needed to.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.