The foundation spray foam has been plastered with Tamoseal, and back-filling is complete. The 3-1/2" thick wall cavities have been filled with blown-in cellulose via holes drilled in the exterior wall sheathing. 2" of foam is then applied to the sheathing, followed by the Tyvek weather resistant barrier. 3/4" thick furring strips/rainscreen are applied next, followed by weather-flashed replacement windows. The vinyl siding purchased by the Homeowner.