# \#wall-sections

**URL:** https://community.blackspectacles.com/tag/wall-sections/48.md

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## [High Stakes, Low Perm: Managing Vapor in Exterior Walls on the ARE](https://community.blackspectacles.com/t/high-stakes-low-perm-managing-vapor-in-exterior-walls-on-the-are/7398)

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**Author:** [@coachchrishopstock](https://community.blackspectacles.com/u/coachchrishopstock)\
**Replies:** 4\
**Last updated:** [August 4, 2025, 10:35pm UTC](https://community.blackspectacles.com/t/high-stakes-low-perm-managing-vapor-in-exterior-walls-on-the-are/7398 "2025-08-04T22:35:00Z")

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Hello PDD studiers! During a recent virtual workshop,@coachmikeparaszczak was asked about the role of the vapor barrier in exterior wall assemblies. This topic sparks a lot of discussion and debate - in this article, I…