Towards the beginning of any residential building project the foundation is built. The most common type of foundation is the "Poured Reinforced Concrete" foundation. This system involves erecting forms that will hold the concrete as it is poured and then cures into a solid concrete wall that holds up the entire building. After the concrete has been poured the forms are removed and will go on their next job. Typically the foundation is then coated with "water-proofing" material on the outside to prevent water from coming into the basement. In the photograph you will see that material being sprayed on the concrete walls to seal them or make them water proof. If done correctly this is a great step in the right direction.