Air leaks / Guides

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...air barrier that you can’t possibly see - from as small as a human hair to as big as a half-inch wide. The airflow in the home is monitored in real time by th...

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 leakage but, more importantly, it’s a way to find air leaks and fix them. Fixing air leaks is ‘low hanging fruit’ in terms of improving the energy efficienc...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...leaks from around windows and doors are the visible result of a poor fitting or sealing job, but that's far from where it ends. If there are air leaks from arou...

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

The Difference between air barriers and vapor barriers

...air transmission and the potential moisture damage from air leaks, air barriers should be getting a lot more attention than they are. Discover alternative air...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...airtight envelope, since it allows better control over indoor air quality . Airtightness also improves energy efficiency; indoor air leaks waste cooling power d...

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...air leaks can often be fixed with a tube of caulking . In fact, it can be good to do both. If you plan to cover a window with plastic, stopping air leaks first ...

Correct window installation details
Windows and doors

How to install windows

...air or water leaks Watch more Green Building videos here The Edelweiss LEED Platinum V4 Demo House has been oriented towards the south to increase passive...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...air leaks and add insulation. In the unfortunate situation of having no air barrier but a truss system that makes a poly air barrier impossible to install from ...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...air leakage, heat loss occurs in two ways : 1 - As warm air leaks out it is replaced with cold air, and 2 - if you think of the 'wind chill' effect, a drafty ...

Techniques for reducing sound transmission in buildings
Insulation and soundproofing

Controlling sound transmission in buildings

...Airborne sound: Sound such as voices, TV or stereo sounds. The source does not strike or vibrate against the structure of the building. Structure-borne soun...

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. Houses that are fairly air tight and that have negative air pressure may cause flue gases to backdraft into your house, which can be of major concern. Po...