Air and vapour barriers
Aerobarrier home and attic air-sealing spray
...ACH) were brought to as low as 0.39, exceeding Passive House requirements, which are 0.6 ACH.”
We tested Aerobarrier ourselves:
Ecohome’s French counterpart Écohabitation is in the process of moving to new office space in an older building, and when a blower door test was performed during renovations, a very leaky rat...