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