Smart Vapor Retarder
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Cold-Climate Vapor Control
Contrary to the American IRC, the Canadian NBC allows only one method of vapor management to be used in a residential building
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Filling Rafter Bays With Fluffy Insulation
New cathedral ceiling research confirms that cold-climate builders need to follow existing code requirements
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Smart Vapor Retarders for Walls and Roofs
Can a smart vapor retarder be used to make an otherwise risky assembly safe?
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Smart Vapor Retarders
Modern replacements for the troublesome old poly vapor barrier have low permeance in cool, dry weather, and high permeance in humid weather
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How to Deal With a Vapor Barrier Edict
When a local code inspector insists on an interior polyethylene vapor barrier, plans for a simple addition to a Canadian home suddenly get more complicated
