[ESTABLISHED]Established
Understanding Vapor Barriers
A Building Science Corporation article by Joseph Lstiburek (BSD-106) covering vapor retarder, class I II III, climate assemblies, hot-humid. Listed here as a reference; read it at the source.
How to read this
This is a reference, not a study report. It points to a document we read and work from. Its text is not reproduced here, and nothing on this page is a claim about what a Sage Co. home does, delivers, or prevents.
Last reviewed September 1, 2026.
Source
- Author
- Joseph Lstiburek
- Publisher
- Building Science Corporation
- Document
- BSD-106
- Year
- 2011
- Access
- Link only
- Domain
- Building Science
Open the source at Building Science Corporation
vapor retarderclass I II IIIclimate assemblieshot-humid