135 - ZIP-R for CZ 6B - New Construction? Continuous Air Control Layer for Exterior Retrofit CZ 4A?
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135 - ZIP-R for CZ 6B - New Construction? Continuous Air Control Layer for Exterior Retrofit CZ 4A?

38:25 Jul 3, 2025
About this episode
Two great questions about wall assemblies. The boys dig deep, exploring all the variables to consider for both wall assemblies. And no big surprise: Much of the conversation is about how to get these three control layers right (water, air, thermal) and ALSO get the drying potential (vapor) correct.PETE'S RESOURCES:- 2021 IRC - MontanaNOTE: The IRC 2021 does NOT include any chapters on energy efficiency/energy requirements...- Huber Table for ZIP-R recommendations for all climates- "Check but Verify - Why We Do Multiple Blower Door Tests:" https://www.youtube.com/watch?v=WDD-BpTZJ3I- "When to Perform a Blower Door Test (and when not to)"
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