Rousseau M Z, Poirier G F, Brown W C
Year:
1998
Bibliographic info:
Canada, National Research Council, Institute for Research in Construction, Construction Technology Update No. 17, 1998

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.