Grout cracks caused by improper tile installation or a loose subfloor are often fairly major.
Tile grout issues.
2 grout that is insufficiently packed into the joint.
Grout tends to be more porous than tile and so provides an easier pathway for moisture to travel beyond its bounds.
Grout discoloration is often the first sign that there is a moisture problem on a tile floor.
White residue stains on tiles.
You must remove loose or hollow tiles and fix the installation or subfloor problem.
Typically the most common causes are as follows.
Tapping a broomstick onto the tile tells if the tile has a hollow spot in the setting material.
The minerals in the water crystalise which results in white residue appearing on the surface of tiles.
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.
1 excessive deflection in the substrate this movement can cause the grout to crack and if sufficiently severe can cause tile to crack.
In practice it isn t.
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.
It is caused by moisture entering the grout either from above or below.
This most often occurs with wall tile.
The worst possible scenario is that the substrate.
Tile grout problems cracking.
Improper cleaning of grout haze from the surface of the floor or wall or failing.
Grout is a very porous.
Common tile stone and grout problems.