Difference between air barriers and vapour barriers / Guides

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

The Difference between air barriers and vapor barriers

...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 leak...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...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 is to stop air l...

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...

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 ...

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

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

...and-stick' membranes, and if you'd like a fancier word for them, go with this - self-adhering air and water-resistive barriers. Peel-and-stick vapour-permea...

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!"

...and fireplaces (that aren't vented directly to the outside) will remove oxygen and require makeup air. Houses that are fairly air tight and that have negative a...

Choosing between OSB or Plywood for house sheathing for Roofs, Walls & Floors.
Wood and organic materials

Which is better, OSB or Plywood for Roofs, Walls & Floors?

...vapour permeability and low water retention, such as mineral fibre." Where to put vapour barriers (CMHC): "Materials that act as vapour barriers (vapour ret...

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...

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

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

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...and a vapour barrier. Notice the difference between the studs against the foundation and the studs that formed an interior division wall; the vapour barrier did...

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?

...barriers and requires a thorough understanding of the physics behind it so you don’t unwittingly design it to fail. To understand the difference between air bar...