Walls & Openings -

Air Sealing/Insulation

Guide describing how to insulate headers over doors and windows to reduce heat loss and heat gain through solid wood framing.

Guide describing how to minimize framing around doors and windows to reduce heat losses and gains through structural framing.

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Guide describing how to replace a window sash in an existing home.

Guide describing how to modify an existing window sash for high-efficient windows.