Section 1503.2 Flashing: Flashing shall be installed in such a manner so as to prevent moisture entering the wall and roof through joints in copings, through moisture-permeable materials and at intersections with parapet walls and other penetrations through the roof plane.
Waterproofing concrete is essential at below-grade areas to prevent water intrusion and structural damage. In many areas of the world we have exhausted the building sites having the good
