WRB & Flashing
Windows cannot rest on the foam, so they hang from wood bucks
Use expensive stretch tape for the tricky parts and regular non-stretch tape for the rest of the window flashing
The final step: center it in the opening, and seal the perimeter
With the sill pan flashed, Ben turns to flashing the jambs of a window opening in this passive house retrofit
How to install pan flashing and jamb flashing on a window opening in a wall that will be thickened with 4 inches of foam—using regular, non-stretch peel-and-stick flashing tape.