Tile Over Plaster Walls In Shower

Tile on tile or as i say it.
Tile over plaster walls in shower. You may tile over existing tile painted or unpainted drywall plaster and textured walls. How to tile over existing wall tile. I didn t want to demo the bedroom bath so i used wedi board over the existing tiles pla. If you re not sure if you have lead paint test kits are available.
This is a renovation i did of my 1960 s plaster mud job bathroom. Tiled walls can last many years but that s not always a good thing. I have repaired tile jobs that were over 20 years old that the tile was applied directly to regular sheetrock and plaster walls. Follow manufacturer instructions to a tee.
Add a diverter and shower line in the wall. The mesh composition of this material will serve as teeth and lock in plaster applied to its surface. Bring plumbing to code. Learn the largest tile industry secret to remodel your bathroom for just 200 bucks and 1 days work.
If plaster is any way compromised you should tear out to studs and start over. And it lasts for 20 years. You should not tile over wallpaper glossy surfaces lead paint or plywood. It used to be very common to put tile up on whatever the wall was and seal the the tile.
The surface of a plaster wall is too smooth for the cement to grip to. Cover with cement board tape off. Or flatten walls with a latex modified skim coat product. However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Some products are designed specifically for use between tile and plaster walls but any tile setting adhesive designed for thin set use will work. A glue adhesive works better for installing tile over plaster. Install the diamond mesh directly over your tile surface.