OSB air barrier / Guides

Interior sheathing wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour barrier

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

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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 vapour barriers. An air barrier is no...

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Choosing house sheathing
Wood and organic materials

Which is better, OSB or plywood sheathing?

...OSB (oriented strand board) as exterior sheathing. When you count sub-floors, roofs and wall sheathing, OSB claims about 70% of the wood sheathing market in Nor...

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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...

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Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Polyethylene vapour barriers in air conditioned homes can rot walls

...barrier on the inside of an air conditioned house is colossally stupid. - J.L. Moisture-impenetrable vapour barriers work great in winter and, before ai...

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Naugler House: the most energy efficient home in New Brunswick
Efficient home design

New Brunswick's most energy efficient home

...Air barrier: OSB with SIGA air barrier tapes Tyvek® water-resistive barrier in rain screen Windows: Internorm ThermoPassiv sourced through Northwin Wind...

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Triple pane south facing windows on Ecohome's Demo House
Windows and doors

How to install windows for the best performance and durability

...air leakage . If you keep that in mind when installing windows, you can put strategies in place to manage moisture in the form of air leakage, condensation and ...

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Harold Orr, one of the early innovators of high performance home desig
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...Air lock entry at the doors. With an air tight building an air lock is not really of much value, the whole house acts as a air lock and air doesn't blow though ...

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Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope

...airtight and, most importantly, air conditioned. There is also much more understanding of how buildings work and why they fail . If a home will be air cond...

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