Ceramic and porcelain tile more than almost any other surface material needs a stable flat flex free substrate.
Wall under tile is wet.
Jun 4 2012 1 hi there we ve had a damp problem in our bathroom which has manifested with discoloured patches on the walls in the room directly below the bathroom.
I prefer tiles though.
Wet walls will be cheaper to install easier to clean and easier to replace if you change your mind.
Check there s enough room under the floorboards for moisture to evaporate from the soil below and pass out through sub floor wall vents.
Even the slightest amount of movement in a building structure can telegraph to the tile and crack it.
Install a damp proof course.
In addition because showers and bathtubs are wet areas they need a substrate that will not be damaged by moisture just in case a crack in the tile or grout lets water through.
I started fitting wet walks and mermaid boards in hotels years ago because there is t grout to go black and the ease as stated above.
This job is best left to the.
Leaks typically start along the bottom of the wall where the tile meets the top of the tub or shower pan.
Learn how to prep a shower wall for tile.
Learn how to repair shower tile after leaks by following the ideas below.