Though more common in an older home rogue tiles can be found in new homes as well.
Tiles falling off wall tile adhesive.
Give the adhesives 24 hours to set.
If no adhesive is applied then the tiles will fall off.
Use a piece of cloth to remove any adhesive that is displaced above the tiles.
Thinset is best adhesive.
Tile falls off wall organic glue skins over.
Incorrect tile grout used.
Then prep the wall and use the adhesive made specifically for the tile you have.
This means it is thick enough to easily bridge differences between the two mating surfaces.
Often the adhesive will skin over if exposed to the air for too long before the tile is placed this means the adhesive looses its suction so the tile does not stick properly.
As ceramic tile gets larger the wall or floor surface must be flatter and flatter.
Lloyd s bathroom tiles failed when either the wall wasn t prepared properly or the mastic was exposed to too much.
Grouting has been done too early.
Clean off the old stuff from the back of the tile and from the wall.
The most common cause for falling tiles is water infiltrations.
Use gorilla glue to replace each one.
Many people strip the loose tiles sand them and reposition with new adhesive.
Apply grout around the tile on the gaps between the tiles.
Or take them all down putting wax paper between each tile so they don t get damaged.
Since the tile is flat and in the same plane the wall surface must also be a perfect match.
The adhesive needs to be applied evenly and on every tile.
Be sure to spray the wall surface with water to activate the glue.
This in conjunction with skinned over adhesive is the root cause of your tile failure.
Make sure that the tile is level with the existing tiles so that you don t end up with ridges.
Over time the mortar holding a wall tile may fail to do its job letting a tile become loose and fall.
Make sure that the tile adhesive that you use is water resistant.
You should leave the tile adhesive to set for at least 24 hours before grouting the tiles.
The wall surface could have been irregular with humps and dips in it.
If water gets behind the tiles and in the grout mildew can grow and it will cause the adhesive to deteriorate.
Use a glue that is gap filling.
Press the new tile down over the adhesives you have just applied.
How do you fix it.
Was the adhesive left on the wall for too long before you placed the tiles.