9 min
Vapor Diffusion Ports: Air Barriers That Let Moisture Leave 7 Minutes of BS (#BuildingScience w/a BEAT)
-
- Science
Vapor Diffusion Ports: Air Barriers That Let Moisture leave
Dr. Joe Lstiburek explains what Vapor Diffusion Ports are, how they work, why they're needed, and how to construct them—in about nine minutes.
The skinny version: they're like a modified ridge vent but for an unvented roof. They allow moisture to escape unvented roof assemblies without letting air leak out.
Vapor Diffusion Ports: Air Barriers That Let Moisture leave
Dr. Joe Lstiburek explains what Vapor Diffusion Ports are, how they work, why they're needed, and how to construct them—in about nine minutes.
The skinny version: they're like a modified ridge vent but for an unvented roof. They allow moisture to escape unvented roof assemblies without letting air leak out.
9 min