Horizontal Crack in a stem wall
When cracks are running horizontally in a stem wall, it usually indicates that the corrosion issue started in the rebar and eventually affected the rest of the wall.
Spalling concrete in stem wall
Out of all the symptoms indicating a failed stem wall, spalling concrete is considered the most severe. This is because it indicates that a majority of the stem wall components need to be replaced to address the oxidation issue completely.
Flaking Paint in stem wall
If you notice flaking paint on a stem wall, it could be a sign of corrosion. Many people mistakenly attribute this damage to other factors like sunlight or time.
After the stem wall repair process
As shown in this image, the stem wall looks fresh, smooth, and ready to get painted again.
Vertical cracks in stem wall
When dealing with stem walls, every sign is significant. In this case, vertical cracks indicate that the corrosion issue originated in the tiedown straps and has now affected the entire stem wall.