Incorrect tile grout used.
Tiles falling off wall tile adhesive.
The adhesive needs to be applied evenly and on every tile.
Or take them all down putting wax paper between each tile so they don t get damaged.
Though more common in an older home rogue tiles can be found in new homes as well.
Make sure that they don t come into contact with any water during this period.
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.
If no adhesive is applied then the tiles will fall off.
This means it is thick enough to easily bridge differences between the two mating surfaces.
Use gorilla glue to replace each one.
Make sure that the tile adhesive that you use is water resistant.
Press the new tile down over the adhesives you have just applied.
Grouting has been done too early.
If water gets behind the tiles and in the grout mildew can grow and it will cause the adhesive to deteriorate.
Give the adhesives 24 hours to set.
Use a piece of cloth to remove any adhesive that is displaced above the tiles.
Clean off the old stuff from the back of the tile and from the wall.
Lloyd s bathroom tiles failed when either the wall wasn t prepared properly or the mastic was exposed to too much.
Was the adhesive left on the wall for too long before you placed the tiles.
Many people strip the loose tiles sand them and reposition with new adhesive.
Thinset is best adhesive.
This is not just a threat for your tiles but also for your health.
Then prep the wall and use the adhesive made specifically for the tile you have.
Over time the mortar holding a wall tile may fail to do its job letting a tile become loose and fall.
The wall surface could have been irregular with humps and dips in it.
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.
Use a glue that is gap filling.
Otherwise the repair may not hold and the tile may also sit a little higher than the ones next to it.
As ceramic tile gets larger the wall or floor surface must be flatter and flatter.
The most common cause for falling tiles is water infiltrations.
Apply grout around the tile on the gaps between the tiles.
Be sure to spray the wall surface with water to activate the glue.
How do you fix it.