Two of the four control layers in a building envelope, air barriers andvapor retarders are frequently misunderstood by builders, architects andeveryone else. Why are they important? Building science experts Steven Baczek and Brian Pontolilo join us to discuss this topic. If you'd like a primer, Brian's Fine Homebuilding article is a great overview of the control layers: https://www.finehomebuilding.com/project-guides/insulation/walls-that-work-an-intro-to-the-four-control-layers You can watch the recording of this episode on YouTube or on GBA: https://www.youtube.com/@thebsandbeershow4723https://www.greenbuildingadvisor.com/blog/bs-and-beer Tune in to the next show live! Register in advance:  https://us02web.zoom.us/webinar/register/WN_KnxdjKNiTdq0ngN6rKgMbw   To join the mailing list to learn about the upcoming show each week, which is independent of the Zoom registration above: https://bit.ly/3cnOxUb ⭐⭐⭐⭐⭐  If you enjoy the show, please subscribe and rate us on iTunes, Spotify, YouTube Music, or wherever you prefer to listen  

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