Hygrothermal performance assessment of stucco-clad wood frame walls having vented and ventilated drainage cavities

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1520/STP159920160100
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  1. National Research Council Canada. Construction
FormatText
TypeBook chapter
Proceedings titleAdvances in Hygrothermal Performance of Building Envelopes: Materials, Systems and Simulations
Series titleSelected Technical Papers; no. STP1599
ConferenceSymposium on Advances in Hygrothermal Performance of Building Envelopes: Materials, Systems and Simulations, 26-27 October, 2016, Orlando, FL. USA
ISBN9780803176478
0803176473
Article numberSTP159920160100
Pages198–231
Subjectdrainage components; hygrothermal response; moisture performance; moisture management; stucco cladding; wood frame
Abstract
The long-term performance in respect to moisture management within any wood frame wall assembly depends on the hygrothermal response of the wall to local climate moisture loads. Estimating the wood moisture content, temperature, and time of exposure to conditions suitable for the onset, growth, and propagation of mold or rot are critical parameters when assessing the longevity of wood frame structures. A number of approaches for assessing the vulnerability of wood frame structures to deterioration have been developed in recent years; one of which has been used by NRC-Construction for evaluating the performance of wall assemblies based on the results from hygrothermal simulation. In this paper, an example of the use of this approach for the assessment of a stucco-clad wall incorporating drainage cavities is described as is the use of a mold index to capture the risk of the formation of mold in walls. An example is given in assessing the moisture management of a stucco-clad wood frame wall incorporating vented and ventilated drainage cavities for three Canadian locations.
Publication date
PublisherASTM International
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NoteDr. Michael A. Lacasse: https://orcid.org/0000-0001-7640-3701
LanguageEnglish
Peer reviewedYes
NRC numberNRC-CONST-56243
NPARC number23002449
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Record identifier5da7442c-1281-4b32-8681-03473d9a620c
Record created2017-11-10
Record modified2019-03-13
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