Advanced Framing: Insulated Headers Description Guide describing how to insulate headers over doors and windows to reduce heat loss and heat gain through solid wood framing.
Advanced Framing: Minimal Framing at Doors and Windows Description Guide describing how to minimize framing around doors and windows to reduce heat losses and gains through structural framing.
Air Sealing Window and Door Rough Openings Description Guide describing how to air-seal the rough openings around doors and windows.
Building Science Introduction - Heat Flow Description Information guide providing background information about heat flow in residential buildings.
Complete Window and Frame Replacement Description Guide describing a complete window replacement in existing homes.
Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces Description Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.
Window Sash Retrofit Description Guide describing how to modify an existing window sash for high-efficient windows.