Development of high performance stucco as cladding material

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Conference11th Canadian Building Science and Technology Conference: 22 March 2007, Banff, Canada
Pages112; # of pages: 12
Subjectstucco, water vapour permeability, water absorption, moisture management; Walls
AbstractRecent computer simulation studies at the Institute for Research in Construction (IRC) of the National Research Council (NRC) Canada have indicated that the combined wetting and drying potential of the wood-frame face sealed stucco clad wall is significantly influenced by the water vapour permeability and liquid diffusivity of the stucco material. Lower liquid diffusivity and higher water vapour permeability of the stucco material can positively influence the overall moisture management capacity of the wood-frame face sealed stucco clad wall. This paper presents preliminary experimental results from a pilot research project that aims to use the lessons learned from the simulation studies for the development of new materials or modify existing materials. The results from the experimental study show that it is possible to reduce the water absorption coefficient (a measure of liquid diffusivity) of the stucco material without reducing water vapour permeability through appropriate mix design.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number45580
NPARC number20378015
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Record identifierfd418a70-1cdb-48e1-b424-22201117f552
Record created2012-07-24
Record modified2016-05-09
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