No, walls do not “breathe”. Exfiltration vs Diffusion | Monday BS

In this video, Emu Mariana breaks down one of the most common myths in construction – that walls need to breathe. Learn about the risks of “breathing” walls, and what the difference is between air exfiltration and diffusion. Hint: the first warrants a lot more concern than the second. Want to learn more? Check out our training opportunities for builders in advanced building science.

What is this series? We’re trying a thing. Join Emu Co-Founder, Mariana Pickering, for a super casual and quick 5 -10 min video every Monday covering some commonly asked B.S. (Building Science) questions we get as Passive House educators. Requests for future topics highly encouraged in the comments!

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