La différence entre un pare-vapeur et un pare-air

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DOIResolve DOI: http://doi.org/10.4224/21273247
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TypeTechnical Report
Series titleNote sur la construction; no. 54F
ISSN0830-8268
Physical description14 p.
SubjectAir and vapour barriers; pare-air
AbstractMoisture problems in walls have been attributed in large measure to two mechanisms: vapour diffusion, and now more importantly, air leakage, specifically the deposition of moisture by moist air exfiltrating through the building envelope. While significant technology related to vapour diffusion control (the vapour barrier) exists (i.e. calculation procedures, regulatory requirements, material standards and performance testing procedures), there is minimal technology availabe related to air leakage control ( the air barrier) for the repair of existing building envelopes and virtually none for the design and construction of the envelope of new buildings. This paper presents a definition of the air barrier, outlines the performance requirements, and examines the application of the theory to several typical commercial constructions. This application could provide a functional and durable air barrier within the building envelope
Publication date
PublisherConseil national de recherches Canada. Division de recherches en construction
Translation of
LanguageFrench
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NPARC number21273247
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Record identifier7d642804-f484-4959-ad51-6d9237a0cf4c
Record created2015-01-05
Record modified2017-11-09
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