Vapour barrier / Guides

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...barrier, which can seal entire homes. How Aerobarrier works: Using standard blower-door testing equipment, a house is pressurized to between 50 and 100 Pasc...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...barriers in the form of 6 mil poly vapor barriers , exterior weather resistant barriers (WRBs) , tapes and caulking etc, so the cost doesn’t really go up much. ...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...vapour barriers became a part of the building envelope shortly thereafter. Vapour barriers stopped the flow of moist air through walls, this of course led to ...