A pressure-equalized rainscreen (PER) wall is a multiple-line-of-defence approach to rain penetration control. This Update defines pressure equalization and discusses the various elements that must be incorporated in a PER wall to minimize rain penetration due to air pressure differentials.
Pressure equalization in rainscreen wall systems.
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Year:
1998
Bibliographic info:
Canada, National Research Council, Institute for Research in Construction, Construction Technology Update No. 17, 1998