Tiles Bulging Off Wall

I feel this in conjunction with skinned over adhesive is the root cause of your tile failure.

Tiles bulging off wall.

Make sure that the tile adhesive that you use is water resistant. A buckling or partly raised tile on your shower wall usually means water has gotten behind the tile often through cracks in the grout and caused the wall material to expand pushing the tile outward. If no adhesive is applied then the tiles will fall off. As ceramic tile get larger the wall or floor surface must be flatter and flatter.

A pull down that section of wall and re tile with new blue board etc although the current old tiles cannot again be sourced to match the exisiting. Damage to a subfloor is one of the most common reasons for a tile to bulge or lift from the subfloor according to the american society of home inspectors. The wall isn t hot to touch difficult one to answer as obviously the shower is running at the time but the problem does occur on the side of the hot water upright feed each time. The subfloor must be clean even and dry before tile installation.

The chalk dust will stop the tiles from adhering to the wall. The adhesive is called supergrip ceramic tile premix adhesive as recommended by the tile shop and the grout is wateproof grout used for swimming pools again as recommended by the tile shop where the tiles were bought from the ceramic tile centre in portsmouth. B replace the removed tiles with a large mirror c force the wall back in with some type of ugly metal alloy strip screwed in over the top of the tiles and into the stud. Any low spots on the subfloor can cause a tile to bulge.

The wall surface could have been irregular with humps and dips in it. Tiles need to adhere to a smooth undamaged surface. The adhesive needs to be applied evenly and on every tile.