Guides A-Z

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 loss.

Guide describing how to air seal doors that are next to unconditioned spaces.

Guide describing how to air seal the rough openings around doors and windows.

Guide describing how to use a blower door test to determine building envelope air leakage.

Guide describing the use of doors that are impact rated or have protective coverings in hurricane and high wind zones.

Guide describing garage doors that are pressure-rated to withstand wind pressures from hurricanes, high winds, and tornados.

Guide describing design for shelter-in-place spaces during windstorm storm events.

Guide describing how to undercut the doors 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.

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 strengthen or protect windows against wind and wind-borne debris during high-wind events including hurricanes and tornados.