Windows & Doors
Recessed into thick layers of insulation, innie windows are protected from the weather
A thermal break and solid backing puts the window on the outer face of a thick wall. Now, there's room on the inside window sill for cats and bowling trophies
This critical element is often omitted from window installation
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
Wide tape spans the many layers of a thick wall to make an air tight and water tight seal
Window banks need to line up neatly for the trim to work out. Foam walls add the extra possibility of compressing the backing. So there's that.
The final step: center it in the opening, and seal the perimeter
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.