00000nam 2200000za 4500 9.847876 CaOODSP 20221107153536 cr ||||||||||| 180604s1991 onc |o f000 0 eng d CaOODSP eng n-cn--- NH17-203/1991E-PDF CMHC research project - testing of air barriers construction details [electronic resource] : report. Ottawa : Canada Mortgage and Housing Corporation, 1991. [93] p. : ill. Issued also in French under title: Projet de recherche de la SCHL : évaluation d'élements de construction assurant l'étanchélté à l'air. "August 26, 1991." Digitized edition from print [produced by Canada Mortgage and Housing Corporation]. "The airtightness of building envelopes has received increased attention in recent years. Leakage generally occurs through construction details, where there are joints or connections between materials, or where there are penetrations for services or other components rather than through the materials intended to provide the primary resistance to air leakage. CMHC commissioned this project to quantify the air leakage characteristics of three such details in wood-frame walls..."--Exec. Summary, p. I. gccst Housing gccst Construction materials Canada Mortgage and Housing Corporation. Project Implementation Division. Canada Mortgage and Housing Corporation. Projet de recherche de la SCHL (CaOODSP)9.857347 PDF 1.89 MB https://publications.gc.ca/collections/collection_2018/schl-cmhc/nh17/NH17-203-1991-eng.pdf