This surface provides the right base for laying ceramic porcelain or other types of tile.
How to install tile on plaster walls.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Some preparation and a certain style of installation makes the process easier and more successful.
Oil based paints can create a problem with tile installation consider removing this paint with paint remover or via sanding the paint away prior to installing the tile.
If you re not sure if you have lead paint test kits are available.
Plaster walls became popular due to the durability and strength of the surface and are more common in historic homes that drywall.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.