Flashing Words: Dan KamysMarch 2008 CASE STUDIES Case-by-Case Flashing is of paramount importance to modern masonry walls. Today's masonry wall must accommodate moisture penetration by providing a collection and drainage system. Flashing also helps prevent water penetration at interfaces with other building systems, such as windows and other penetrations. Through the following series of case studies, Masonry looks at three flashing systems and how they have worked in specific situations. — Divine Invention — Ameristar Casino/Hotel — The Many Lives of Copper Flashings Return to Table of Contents