Guides A-Z

Guide describing how to air-seal and insulate a cantilevered floor.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding insulation (rigid insulating sheathing and/or closed-cell spray foam) and air-sealing.

Guide describing how to provide a continuous load path with appropriate connectors to improve the wind resistance of attached porches, carports, and decks during high-wind events.

Guide describing wind washing and how to prevent it.