Window and Door Sill Pan Flashing - Code Requirements
2012 International Residential Code
Approved corrosion-resistant flashing shall be applied shingle-fashion in a manner to prevent entry of water into wall cavity or penetration of water into the building structural framing components.... more
Kickouts - Code Requirements
2012 IRC, Roof Assemblies
R903.2 Flashing. Flashing shall be installed in a manner that prevents 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.