Evacuation profiles due to evaporation of moisture sources in the stud cavity of building envelope panels of various configurations

Arslan Alturkistani, Paul Fazio, Jiwu Rao & Arslan Alturkistani
In site situations where rain water penetrates into the stud cavity of the building envelope and concentrates at the bottom, the wet bottom plate becomes a moisture loading source. This moisture evaporates creating a vapor pressure profile that decreases with height and causes a corresponding absorption-evacuation mass profile through the sheathing. Such profiles were observed during an experiment designed to develop a test method to compare the relative performance of different wall configurations. In this...
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