Air barrier / Guides

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...barrier, but can have many air barriers. A vapour barrier can act as a very effective air barrier, but an air barrier does not (and should not) always stop vapo...

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

The Difference between air barriers and vapour barriers

...air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor barrier can act as a very effective air barrier, but an air b...

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

What is an air barrier?

...barriers, so why is no one talking about them? We don't talk about air barriers because we are too busy talking about vapor barriers. An air barrier is not so...

Radon and vapour barrier below slab on grade floor
Healthy indoor air quality

Vapour / radon barriers below slab floors

...Barrier - Slab Floors WATCH MORE VIDEOS FOR SLAB ON GRADE FOUNDATION CONSTRUCTION Polyethylene barriers below slab floors serve two purposes - to preven...

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

Replacing polyethylene vapour barriers with latex paint vapor control

...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 barrier i...

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 and vapour barrier. Taped OSB sheathing as air barrier © Durfeld Constructors There is no question that this technique also presents a new c...

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...air barrier and vapor barrier , by using a high-performance building tape to seal the joints and the Larsen Trusses are effectively a cost-effective and lightwe...

Passive Solar Index Home - super high efficiency
Passive solar home design

Passive Solar Index Home Case Study

...barrier 16 inch thick dense-packed cellulose wall insulation with double-stud Larsen truss walls Exterior wood fiber board Air barrier Pre-painted steel...

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

Weather barriers - what they do and how to install them

...air sealing. Manufacturers will rightly claim their products are a suitable choice for an air barrier, and they most certainly are. The failure of weather barri...

DIY air exchanger installation video
HRV and ERV

DIY Lunos HRV air exchanger installation video

...airs blowing in opposite directions to maintain air pressure, and reversing directions every 90 seconds or so, which is how they absorb and release heat. The ...

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...barrier, so it is best to apply a poly membrane against the concrete first. Note: Taped XPS foam is an air barrier, but EPS and mineral wool are not. Air does...

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