FREQUENT MASONRY PROBLEMS
The use of an improper mortar, poor drainage of water or the presence of vegetation near the wall leads to localized accumulation of water. When the wall fails to dry out and is subject to a freeze-thaw period, the brick is prone to move. Another possible cause would be instability at the foundation level.
The main consequences of a crack are the presence of water infiltration and the dislocation of the masonry wall.
Depending on the case, the first solution is to empty and add mortar to the crack. In case the crack is larger, the dismantling of the damaged wall is necessary. It is then rebuilt following its original alignment.