Vertical Cracks on Stem Wall Down in Mesa, AZ
This house down in Mesa, Arizona, has some trouble with vertical cracks on its stem wall. Generally, vertical cracks on the stem wall mean there is a problem in the tie-down straps of the house.
Horizontal Cracks on Stem Wall Down in Mesa, AZ
On the other hand, horizontal cracks mean that the major problem of stem wall deterioration comes from the rebar. The problem is that when there is too much exposure to moisture on the stem wall, the concrete changes its PH, and becomes more acidic. When the concrete becomes acidic, it negatively affects the rebar provoking it to get oxidized.