Air seal / Guides

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

What is an air barrier?

...Airtight drywall approach (A.D.A): With the help of gaskets and sealants, gypsum board (drywall) is a very effective air barrier, so long as the joints are se...

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

The Difference between air barriers and vapor barriers

...air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor bar...

Frost in attic
Roof assemblies - renovation

Why is there frost in my attic?

...air will be coming through as well. Seal those holes any way you can - tape, caulking, spray foam, acoustic sealant, etc. If you have no air barrier at all, y...

Green cleaning products
Healthy indoor air quality

6 easy steps to detoxify your home

...air. Fresh air often has no scent at all. If scented air is a must at your house, try essential oil diffusers or make your own air spray with a 10 - 20 drops of...

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 barrier that was not intentional, or at least unnoticed. Blower door tests The air seal of a building is measured in ACH (Air Changes per Hour), and is ...

Drywall and construction dust
Cleaning and maintenance

Tips for keeping air clean during renovations

...air by keeping windows open. Seal air vents: At least during the time work is happening, covering vents (unless they are operational) will reduce a build up o...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...sealed, the CAH50 rate should be less than one inch." Air-sealing with Aerobarrier for renovations: This is a relatively simple solution to air sealing an o...

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

...sealing windows against air-leaks relies on flexible seals being fitted between the frames and the framing, often called Air Sealing System Tapes , which are pa...

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?

...air conditioners should not be used during wildfires, unless their outdoor air intake can be closed. A portable air cleaner is recommended to complement air s...

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...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...air-sealed high performance home, bringing in fresh air and removing moisture. An HRV uses the heat in stale exhaust air to warm incoming fresh air. Until now, ...

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