RR-0412: Insulations, Sheathings and Vapor Retarders
Two seemingly innocuous requirements for building enclosure assemblies bedevil builders and designers almost endlessly: keep water vapor out, let the water vapor out if it gets in. It gets complicated because, sometimes, the best strategies to keep water vapor out also trap water vapor in.
(RR-0412_Insulation_Sheathing_Retarders_BFG.pdf
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by
Building Science Corporation
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last modified
2008/10/20
