Stopping air leaks is the single most important part of making a house more energy efficient. Every building needs at least one, and sometimes two, air barriers. One of the most common ways to install an interior air barrier is to follow the Airtight Drywall Approach.

In this video series, Myron Ferguson demonstrates all the steps required to install drywall in an airtight manner. The materials that Myron uses are fairly common: construction adhesive, caulk, and canned spray foam. He also uses some materials that are somewhat less common, including special foam boxes used to create airtight electrical boxes.

One important step in the process is to seal all of the gaps between framing members: around windows, around doors, at the gaps between kind stud and trimmer stud, between headers and top plates, and between double top plates.

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The first episode of the video series is available to everyone. The rest of the episodes are available to GBA Pro members only.

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Click this link to see the first episode: Video: How to Hang Airtight Drywall.