Damp Sheathing
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Sandwiching Roof Sheathing Between Two Impermeable Layers
Should we be scared of a “foam sandwich” with sheathing in the middle?
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Two Views of Double-Stud Walls
John Straube and Jesse Thompson talk about double-stud walls and risk
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Outward Vapor Diffusion
Airtight wall and roof assemblies must accound for outward wintertime vapor diffusion to prevent moisture accumulation problems