Grout tends to be more porous than tile and so provides an easier pathway for moisture to travel beyond its bounds.
Tile grout issues.
White residue stains on tiles.
Improper cleaning of grout haze from the surface of the floor or wall or failing.
1 excessive deflection in the substrate this movement can cause the grout to crack and if sufficiently severe can cause tile to crack.
They are often found around loose or hollow tiles.
Tile grout problems cracking.
Known as efflorescence white stains appearing on the surface of tiles is caused by water penetration underneath stone or tiles.
Cracks in your grout can be caused by a number of issues.
Ideally grout has a consistent coloring from one side of the room to the other.
The minerals in the water crystalise which results in white residue appearing on the surface of tiles.
Grout cracks caused by improper tile installation or a loose subfloor are often fairly major.
In practice it isn t.
Tapping a broomstick onto the tile tells if the tile has a hollow spot in the setting material.
Grout is a very porous.
It is caused by moisture entering the grout either from above or below.
Common tile stone and grout problems.
This most often occurs with wall tile.
Efflorescence is generally a porous tile issue however it clusters of the crystals often appear on grout joints due to grout being a highly porous substance.
2 grout that is insufficiently packed into the joint.
The worst possible scenario is that the substrate.
You must remove loose or hollow tiles and fix the installation or subfloor problem.