: If the cause is the ground moving, the foundation must be deepened or reinforced to find stable soil.
The "chevolume" effect happens when the vertical load on a wall (the weight of the roof and floors) meets a horizontal force (like soil expansion or wind). This creates a diagonal tension within the masonry. Because brick and mortar are strong when squeezed but weak when pulled apart, the wall eventually "unzips" along its weakest points. chevolume crack
: They are frequently found near the corners of buildings or above window and door frames where the structure is naturally less rigid. : If the cause is the ground moving,