Browsing articles tagged with " Exterior Building Materials"
Aug
8
2019
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Intelligent Measurement of Water Vapor Transmission Rate of Exterior Building Materials

With increasing focus on energy efficient and sustainable building envelopes, the need to define the heat-air-moisture transport (hygrothermal) properties of building materials accurately cannot be overemphasized. New techniques have been evolving and being examined for this purpose. The Modified Cup Method is one such technique to determine the water vapour transmission properties of building materials. This paper uses C360M Water Vapor Transmission Rate Test System to test the water vapor transmission rate of an exterior wall coating, and introduces the test principle, test instrument specifications, application scope, and test procedure, in hope to provide a reference for further studies on water vapor permeability of building materials.

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