What: There are three types of concrete foundations which are used for different purposes. As the wall goes, it is there for protection and a base for the home. Where: At the bottom of the house usually on the outside of the basement. Why: Support and protection for the house.
concrete slab foundation
What: The foundation for the house and the base of the house. Where: The bottom of the house usually right near your basement. Why: Without the foundation the house would not be as steady and would not be a well made house.