Building Culture Part Three: What to do now the 21st century is not even a teenager any more
Channel: Matsumoto Passive House
Date: 2021-01-26

0:00 Diffusion and air leakage
0:38 Possible strategies for air tightness and diffusion
1:55 Wall or material properties
2:23 Not zero!
3:54 Which perm?
5:15 Airtight vapour barrier
5:50 What if it's hot and humid outside
7:00 Intelligent membranes
7:36 How to get condensation
8:59 Two big problems: Stop water getting in, and allow water out