OSB as vapour retarder / Guides

Interior sheathing wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour barrier

...vapour barrier. Ideally we'd have no vapour barrier in summer; but short of that we should at least have one that allows as much drying to the interior as ...

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Choosing house sheathing
Wood and organic materials

Which is better, OSB or plywood sheathing?

...assified as a type II vapour retarder, which is suitable for use as what is exclusively known as a 'vapour barrier' on a work site, the standard 6 mil polyethyl...

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Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope

...vapour control layer: Commonly known as a 'vapour barrier' but a better term to use would be a vapour retarder. A moisture control barrier should slow diff...

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