A field monitoring study of interstitial condensation in wood-frame walls in cold climate

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Conference12th Canadian Conference on Building Science and Technology: 06 May 2009, Montréal, Quebec
Pages112; # of pages: 12
SubjectHygrothermal performance, wetting, drying, moisture; Building envelope
AbstractAt NRC-IRC?s new Field Exposure of Wall Facility (FEWF), experiments with three identical test specimens of traditional 38 x 140 mm (2x6) wood-frame wall construction were conducted in Fall 2006 and continued until spring 2007 to benchmark the facility and commission the data acquisition system. From Jan to April 2007, two of the three test specimens were subjected to different levels of indoor relative humidity and air leakage to examine the condensation potential in different layers of the wall assemblies and to yield valuable information on the systems? characteristics and performance. Testing was conducted with and without specific ?deficiencies? (i.e., an opening) in the air/vapour barriers of two of the three specimens, to characterize the response of the walls to air leakage in terms of condensation potential and moisture content of moisture-sensitive materials. This paper focuses on the hygrothermal response of the test specimens and gives highlights of experimental results and analysis for the first year of operation.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number51273
NPARC number20374360
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Record identifier92df0a5b-ec02-4052-be3a-23799af742c2
Record created2012-07-23
Record modified2016-05-09
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