Air barriers / Guides

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...air leaks, air barriers should be getting a lot more attention than they are. Discover alternative air barriers such as interior sheathing with OSB as an air ...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...air barriers 100 times more important than vapour barriers, so why is no one talking about them? We don't talk about air barriers because we are too busy talk...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...air barriers and vapour barriers: The job of a vapour barrier is to prevent vapour diffusion and the job of an air barrier is to stop air leakage through diff...

Interior sheathing as air & vapor barriers in wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour or vapor barrier

...air barriers in the industry, under normal air pressure conditions the average brand new home can expect to have its entire volume of air leaked out and replace...

Vapor retarder latex primer instead of polyethylene sheet
Air and vapour barriers

Replacing polyethylene vapour barriers with latex paint vapor control

...Air leakage: Now that we have looked at some options regarding vapour barriers time to understand the difference to air barriers , and firstly it should be po...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...Air Tightness in Houses - All about Balancing Air Pressure in the Home We go on incessantly here about the importance of air barriers in home construction to ...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...airtight, they don't dry as easily, and common building practices trap moisture inside wall assemblies. Be careful not to confuse Air barriers with Vapor barrie...

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

Ventilation & air exchangers

...air rises, forcing air out the top portion of your home and drawing in cold air from the bottom to replace it. How much air will be changed depends on how well-...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...Air Barriers or Air sealing a home during construction or renovation , see here. Choosing air barrier membranes, all about Passive House construction and High p...

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?

...air 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 mu...

Frost in attic
Roof assemblies - renovation

Why is there frost in my attic?

...air flow through soffits, make sure there are air baffles on the roof deck so that air can pass through from the soffit, and there should be a good vent at the ...