How Do You Repair Cracks In A Concrete Foundation?
Leaking cracks in concrete foundations are a common problem for many homeowners. While the cracks are caused by the natural process of concrete curing and shrinking, the cracks can be an annoyance for the homeowner. That is because many homeowners want their basements to act as an added living space with carpeting, finished walls and furniture. Concrete Foundation Shrinkage Crack Causes First, all residential foundations crack. Concrete has water as an ingredient in the mix. As the concrete cures, it goes through a chemical process that causes it to harden into a solid. As it hardens, the concrete actually loses volume; that is it shrinks. In fact a concrete wall 100′ long can shrink by as much as ¾”. The shrinkage process causes stress forces to develop in the concrete and to relieve the pressure, it cracks. This is okay because a concrete foundation has steel reinforcing bars inside that maintain the strength of the foundation wall. It is common to see cracks develop in the middle of