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Air barrier / Guides

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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...

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 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...

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...

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...

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...

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...