The difference between air barriers and vapor barriers / Guides

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

The Difference between air barriers and vapor barriers

...The difference between air barriers and vapor barriers The job of a vapor barrier is to prevent vapor diffusion, and the job of an air barrier is to stop air ...

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

What is an air barrier?

...air barrier, but only if you set out with that in mind and properly seal it. The difference between air barriers and vapor barriers © Ecohome ...

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

Replacing polyethylene vapour barriers with latex paint vapor control

...the air barrier. The purpose of the two barriers should not be confused - the job of the vapour barrier is to control vapour diffusion, the job of the air barri...

Tyvek home wrap left exposed to wind and UV rays
Air and vapour barriers

Choosing the right house wrap / weather barrier, which is best?

...the extreme temperature shifts between summer and winter and the endless movement of a loose weather barrier due to wind and air pressure differences, the solve...

How to Insulate Exterior Walls from the Outside US Canada Ecohome
Walls and Roofs

The easiest way to insulate walls from the exterior in older homes

...thermal spacers you will find across Canada and the U.S. so the concept has in a way adopted the brand name, but there are others brands of wall insulation ther...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...they were running longer. On the other hand, the new models, because they achieve the desired temperature much faster, don't remove the humidity from the air. T...

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

...the weather and over time. Succesfully sealing windows against air-leaks relies on flexible seals being fitted between the frames and the framing, often called ...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...air and vapour barrier. See our pages on vapour and air movement & the difference between air & vapor barriers to get a better idea of how this works, and why i...

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

...anding of the physics behind it so you don’t unwittingly design it to fail. To understand the difference between air barriers and vapor barriers in homes, see h...

Building Green Homes on a Budget is Possible - Our top tips
Planning and Design

Top tips for planning and building a green home on a budget

...These choices can often make a substantial difference in the cost of a new sustainable home build - and make all the difference on keeping the project on time a...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...therwise. The difference between air barriers and vapour barriers: The job of a vapour barrier is to prevent vapour diffusion and the job of an air barrier ...