Tile Over Plaster Walls

Can you lay tile on plaster walls.

Tile over plaster walls.

Or flatten walls with a latex modified skim coat product. Testing the wall for durability. That is true you cannot tile over plaster if that s your plan. Mold does not grow on cement.

You would have to remove the plaster and replace it not with drywall run from a contractor who says that. I have repaired tile jobs that were over 20 years old that the tile was applied directly to regular sheetrock and plaster walls. However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight. Adhesive grout and tile 20kg max weight onto plaster.

Not all plaster wall surfaces will support the tile properly. If plaster is any way compromised you should tear out to studs and start over. If you re not sure if you have lead paint test kits are available. The problem otherwise is that grout is porous and any slight crack will cause moisture and mold on any other surface.

Both painted and bare plaster allows for the installation of tile. Follow manufacturer instructions to a tee. You should not tile over wallpaper glossy surfaces lead paint or plywood. Add a diverter and shower line in the wall.

Layer newspaper on the floor across the bottom of the tiled wall. Bring plumbing to code. Cover with cement board tape off. You may tile over existing tile painted or unpainted drywall plaster and textured walls.

Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer. Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush. Also now it s been plastered you will be restricting yourself to a tile with a max weight of about 16 kg m2. But with cement board.

This was back in the 80 s. Don t use paint glue pva wall paper paste only use the primer recommended by the adhesive manufacturer of your chosen tile adhesive.