Bear in mind that raw brick blockwork and cement are mostly uneven.
Tiling over old plaster walls.
Tiling over damp plaster causes the wall to fail because the plaster won t become strong if it can t dry out.
Or flatten walls with a latex modified skim coat product.
Add a diverter and shower line in the wall.
I took a tile scraper the.
The adhesive and tile will block moisture from evaporating.
Firstly check the condition of the plaster skim it should be fully dried out and a light pink colour.
Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer.
Don t try to use the tile setting adhesive or drywall joint compound to patch plaster walls.
Cover with cement board tape off.
Then rinse the wall with a water dampened.
Bring plumbing to code.
Layer newspaper on the floor across the bottom of the tiled wall.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Fresh plaster whether applied as a patch or to the entire wall must dry completely before tile is applied.
Fresh plaster takes up to 30 days to dry and wooden surfaces can use a layer of polyurethane paint.
If you re not sure if you have lead paint test kits are available.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Holes or cracked plaster requires patching.
If plaster is any way compromised you should tear out to studs and start over.
Concrete plywood drywall or painted surfaces tiling requires appropriate preparation.
Follow manufacturer instructions to a tee.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.