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August 7, 2009
Many concerns, including the rising cost of energy, climate change concerns, and demands for increased comfort, have lead to the desire for increased insulation levels in many new and existing buildings. More building codes are being modified to require higher levels of thermal control than ever before. This report considers a number of promising wall systems that can meet the requirement for better thermal control. Unlike previous studies, this one considers performance in a more realistic matter, including some true three-dimensional heat flow and the relative risk of moisture damage. For more information, see Popular Topics/High R-Value Wall Assemblies.
RR-1014: High-R Walls for the Pacific Northwest–A Hygrothermal Analysis of Various Exterior Wall Systems
BA-1005: Building America Special Research Project: High R-Value Enclosures for High Performance Residential Buildings in All Climate Zones