Patent ID: 7437855

Claim:
Concrete foundation structure comprising: a concrete foundation; an upper concrete structure; a membrane located between said foundation and said structure; a means for preventing migration of subsurface moisture said moisture preventing means including a common junction having multi-edges extending therefrom; a first edge fastened in a moisture proof manner to said membrane over which said concrete structure is poured; a second edge extending downwardly below said membrane to be embedded in said foundation to prevent migration of said moisture from below said membrane and around said moisture preventing means; and a third edge extending upwardly above said membrane to be embedded in said upper structure to prevent migration of moisture into said upper concrete structure said first edge of said moisture preventing means is positioned in generally the same plane as said membrane, said second edge extends downwardly from said first edge at substantially a right angle, and said third edge extends upwardly from said first edge at an obtuse angle.