00000nam 2200000za 4500 9.830919 CaOODSP 20221107145633 cr ||||||||||| 170120s1999 oncabd ob f000 0 eng d CaOODSP eng eng fre n-cn--- NH18-1/387-1999E-PDF Rain penetration control [electronic resource] : applying current knowledge / [prepared by Morrison Hershfield Limited]. [Ottawa] : Canada Mortgage and Housing Corporation, c1999. vi, 76, 20 p. : ill., maps Research report Imperfect: cov. and/or t.p. are missing from this digitized edition. "This report was prepared by Morrison Hershfield Limited with review and input from CMHC staff and members of the American Architectural Manufacturers Association (AAMA) Task Group on Rainscreen Principle and Pressure-Equalized Wall Design. Illustrations were prepared by David G. Anderson"--Verso of t.p. Includes bibliographical references. Rain penetration control : applying current knowledge / [prepared by Morrison Hershfield Limited] -- RainScreen user's guide / prepared by RWDI for CMHC. “This document focuses primarily on rain penetration control in walls and windows. Other wetting mechanisms include condensation and exposure to ground water. Moisture can be removed from a building assembly through drainage, by diffusion or venting (convective air change) to a drier indoor or outdoor environment. Most building assemblies and materials have some tolerance for infrequent and short duration wetting. Some infrequent passage of water to the inside is a minor inconvenience rather than a disaster. Determining how much effort and expense can be justified to minimize water penetration or evaluating what assembly types are appropriate for a particular building application and location is an exercise in judgment and risk management"--Executive summary, p. i. Includes abstract in French. gccst Buildings gccst Precipitation Morrison Hershfield Limited. Canada Mortgage and Housing Corporation. Research report (Canada Mortgage and Housing Corporation : Online) (CaOODSP)9.506068 PDF 4.85 MB https://publications.gc.ca/collections/collection_2017/schl-cmhc/nh18-1/NH18-1-387-1999-eng.pdf