Horizontal Concrete Crack in Stem Wall down in Gilbert, Arizona
Horizontal concrete crack in stem wall means that the corrosion problem started in the rebar and then it spread to the rest of the stem wall elements.
Spalling Concrete in Stem Wall down in Gilbert, Arizona
Spalling concrete is the last and the worst of the corrosion symptoms to appear in a stem wall, and the reason is that when the stem wall gets to this point, it means that most of the stem wall components will need to get replaced since corrosion is destroying the stem wall from the inside out.
Rusting in Stem Wall down in Gilbert, Arizona
As shown in the photograph, the rebar got too damaged because of corrosion that it can get even visible from the exterior of the stem wall. Rebar gets oxidized whenever there is an excess of moisture exposure in the stem wall. Excess moisture in the stem wall can happen by many factors, including irrigation and excessive rain.