Air and vapour barriers
Aerobarrier home and attic air-sealing spray
...Houses that at first had ratings of 2 air changes per hour (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 ...