Abstract
A popular retrofit option is to install an exterior insulation and finish system EIFS to the walls of existing buildings. This study evaluates the thermal and moisture performance of such a system with a vented wall assembly. In addition to being a case study, this field monitoring was intended to verify computation methods of building envelope performance. The long-term monitoring was designed to be non-destructive so that the building envelope performance was not affected by the measurements that are made, and so that removal of sensors, for recalibration and re trieval at the end of the test period was easy. The field monitoring is planned for two years to capture a wide range of environmental conditions. This paper discusses the instrumentation used in the study and presents interim results of the thermal resis tance of the wall and surface moisture.
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