You should not tile over wallpaper glossy surfaces lead paint or plywood.
Wallpaper over wall tiles.
Most contractors would agree that putting wallpaper over ceramic tile is not the best option for re covering a wall.
On many of these surfaces you ll first need to apply lining paper which is a blank wall covering that provides a smooth surface for regular wallpaper.
There are a few reasons why tiling over wallpaper is problematic mostly because you re risking your expensive tiling job on a surface where you re cutting corners to prepare.
We re trying to cover up the ceramic tile on the walls and what we re trying to do is preferably wallpaper over it.
To use wallpaper over your tile floor the first thing you need to do is to sand the surface of the tiles in order to remove the glossy finish which is covered on the tile.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
However you may find that the process of removing the tile grout and adhesive is too impractical and time consuming.
Why do you want to cover the ceramic tile carla.
And we re in a project where the whole room is ceramic tile from floor to ceiling.
If you re not sure if you have lead paint test kits are available.
Prefer using high grit sandpaper and also an electric belt sander which will help you in getting a more significant area cleaned.