The design of pressure-equalized rainscreen walls

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Physical description5 p.
SubjectRainscreen walls
AbstractThe control of rain-water penetration through walls can be provided by methods ranging from the "face-seal" approach to the "pressure-equalized rainscreen" approach. In the last two decades designers have been moving away from the face-seal approach, favouring pressure-equalized rainscreen (PER) technology. The main problems posed by the use of "face-seal" wall construction are the poor durability of some sealant materials when exposed to a harsh northern climate and the effects of the premature failure of these face-seal materials on the wall's ability to handle moisture loads. This reduced capability of the wall results in moisture penetration into the wall and its subsequent deterioration.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en français: La conception des murs à écran pare-pluie à pression équilibrée
Peer reviewedNo
NRC number48643
NPARC number20378810
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Record identifier10559c53-df7f-4ed8-9f5b-2584ec2eb987
Record created2012-07-24
Record modified2016-05-09
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