MemBrain
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Vapor-Variable Membranes
An explanation of how 'smart' vapor retarders work, when they are needed, and the available products
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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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What Makes the ‘Best’ Air Barrier?
A builder weighs his many options for creating a durable air barrier in a high-performance house in Massachusetts
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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