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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 air-seal the rough openings around doors and windows.

Guide describing how to install flashings to help direct water down and out of windows and doors openings in exterior walls.

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

Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.