Vapor Diffusion Ports: Air Barriers That Let Moisture Leave
7 Minutes of BS (#BuildingScience w/a BEAT) · 2023-08-17
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.
7 Minutes of BS (#BuildingScience w/a BEAT)
30 minute descriptions of technical topics distilled to seven minutes.
- No. of episodes: 38
- Latest episode: 2024-11-05
- Science
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