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All vapor retarders (VRs) are air barriers (ABs), but not all ABs are VRs. Wait, what? How can that be? This presentation provides the practical side to the AB/VR discussion and identifies common VRs and ABs, how they’re installed, and why AB/VR approaches vary according to the type of construction and building use.
Approximately 1 hour. Delivered online, at your own pace.
Presented by The Building & Roofing Science Team on behalf of GAF. View the GAF Privacy Policy
