What causes a concrete stem wall to get corroded?
Water is the primary factor that causes damage to both metal components and concrete. This is because water alters the PH level of concrete, making it more acidic and leading to oxidation of other elements.
Signs of Corrosion in a Concrete Stem Wall: Flaking Paint
Flaking paint is a very common sign, but it is the most confusing as well. Most people blame other factors, such as sunlight and time, for the flaking instead of corrosion.
Signs of Corrosion in a Concrete Stem Wall: Vertical Cracks
Vertical cracks in a concrete stem wall mean the corrosion problem began in the tie-down straps and then spread to the rest of the stem wall components.
Concrete Stem Wall After the Repair
As shown in this picture, the concrete stem wall looks smooth, fresh, and ready for another layer of paint.