Waterproofing concrete with roof reinforcement is an important task on concrete structures for roof repair and preservation. Many roofs throughout the world are constructed using poured concrete. These structures are usually made with reinforced steel. They are inexpensive but require a great deal of maintenance to keep them from leaking since they shift, move, and dissolve easily. Concrete is made up from several ingredients including calcium carbonate and sand. Calcium Carbonate is a plentiful substance that comes from the dead skeletons of sea life. These plentiful substances dissolve quite easily in very wet environments unless they are protected.