Evolution of wall design for controlling rain penetration

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Series titleConstruction Technology Update; no. 9
Physical description6 p.
SubjectRainscreen walls
AbstractWhen masonry walls were thick and the materials used quite porous, their very mass absorbed the rainwater and later released it. Eventually, though, walls became thinner and something had to be done to prevent rain penetration. That could be either a face-sealed wall, which in a sense is a rainwater barrier in the form of vinyl or aluminum cladding on the outside wall, or a cavity wall, which consists of one wall just to catch the rain and an adjacent cavity to serve as moisture break. With open rainscreen walls, which reflect current thinking in wall construction, the cladding constitutes the first line of defence. And then there is a second line of defence.
Publication date
PublisherInstitute for Research in Construction. National Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en français : Évolution de la conception des murs en vue d'empêcher la pénétration de la pluie
Peer reviewedNo
NRC number41872
NPARC number20325731
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Record identifier8e4209cf-13d6-4dad-9840-8bc47883acfa
Record created2012-07-18
Record modified2016-05-09
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