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Offset the joints and seal the gaps to keep air leaks out of the thick walls
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
Protect the eave from ice dams and sideways rain
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.