Things you ll need ph neutral cleaner sponge scrub brush 3 4 expanded metal lath 1 1 2 or 2 inch concrete nails hammer tin snips thinset mortar bucket notched trowel ceramic tiles tile spacers plywood board carpenter s level silicone caulking grout grout float lint free cloth.
Tiling over painted concrete wall.
Painted concrete can be made porous with sandblasting or other hard abrasive actions.
Ventilate and dehumidify the area before during and after the installation because basement walls are usually susceptible to moisture.
For application over an uneven concrete surface a lightweight waterproof construction board.
Water should readily absorb in the concrete as an indication that it is suitable for bonding the tile to it.
You can get this from construction or hardware stores.
If the paint comes loose so does the tile.
A latex based thin set adhesive should be used over the latex based paint.
Inspect the concrete surface.
An epoxy based paint requires an epoxy adhesive to bond to it.
Sand the wall with 80 to 120 grit sandpaper on an.
For tiling over tiles in bathroom walls you ll need to set up sheets of waterproof membrane in between the concrete wall and tiles.
Before beginning a tile installation over a concrete wall perform an inspection to look.
You can rough up the painted surface which allows the mastic or thin set mortar especially those designed for painted drywall to adhere.
Tile cannot be attached directly to painted concrete as the thin set will not adhere well to the paint.
You should either strip or bead blast the concrete and thoroughly clean it.