EDGES, OPENINGS AND INTERFACES / FIELD NOTE 18
Honeycomb Panel Sill and Head Flashing Coordination
A panel return and a flashing can compete for the same space at a window opening. The joint can look complete in elevation while the section leaves no practical route for water or installation.
What to check on your project
Draw the cladding return, window frame, flashing and adjacent barrier together. Identify the component that laps over the lower one and the direction of drainage. Check tolerances and installation order with the window trade.