Facts and fictions of rain screen walls

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Journal titleConstruction Canada
Pages40, 4244,46
Subjectrain screens; cavity walls; air barriers; wind loads; Air and vapour barriers; Rainscreen walls; pare pluie; mur creux; pare air; charge de vent
AbstractPressure equalization across the exterior cladding of exterior walls is an important feature for the application of the rain screen principle which aims at minimizing rain entry into exterior walls. Confusion exists in the industry about the difference between cavity walls and rain screen walls. The paper focuses on the wall components that contribute to obtain pressure equalization across the outside cladding, that is, a compartmented cavity behind the cladding, a rigiid air barrier assembly, and adequate venting area of the cladding in relation to the leakage area of the air barrier. The results of IRC laboratory testing and field monitoring of two buildings of different construction for pressure-equalization performance are briefly presented, with discussion of possible reduction of the design wind loads for rain screen cladding.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteReprinted in Construction Practice : Selected Applications in Construction Technology Section 3 (NRCC- 35475)
Reprinted in Building Envelope Performance and Durability : IRC technical seminar held in 11 cities across Canada February through March 1995 (NRCC- 38991)
Peer reviewedNo
NRC number32332
NPARC number20377804
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Record identifier3734fcae-528d-4445-bde7-d17883eb9c7b
Record created2012-07-24
Record modified2016-05-09
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