Advanced Framing: Minimum Wall Studs Description Guide describing how to frame a wall with minimal wall studs to prevent heat loss through walls.
Batt Insulation for Existing Vented Attics Description Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Insulating Existing Floor Overhang Description Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding rigid insulating sheating and or closed-cell spray foam insulation and air sealing.