Two packages for high-performance homes. Vented and unvented roof insulation retrofits and exterior wall insulation details, along with rainscreen wall details for furring strips.
Walls that can drain and dry last a lot longer than walls that stay wet. An air gap between the siding and sheathing lets both dry independently. Furring strips are one way to make that air gap.
Warm and dry basement living space begins with keeping the basement dry—duh. All moisture from outside must be directed away from the interior walls and slab.
