00000nam 2200000zi 4500 9.891152 CaOODSP 20230818074116 m o d f cr b|||||||||| 200902e20021213quca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- P21-6/2002E-PDF Oberlander, Cornelia Hahn, author. Introductory manual for greening roofs for Public Works and Government Services Canada / Cornelia Hahn Oberlander, Elisabeth Whitelaw, Eva Matsuzaki. Greening roofs for Public Works and Government Services Canada Version 1.1 Gatineau, Québec : Public Works and Government Services Canada = Travaux publics et services gouvernementaux Canada, December 13, 2002. 1 online resource (32 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Includes bibliographical references (pages 26-30). "A successful green roof requires research and analysis, as well as understanding the complexity of the required construction profile, namely: a) waterproofing, roof protection and drainage, b) light weight growing medium, c) vegetation. There are two distinct types of green roofs: 1. Intensive: an accessible roof with park-like features of trees and shrubs, and 2. Extensive: an inaccessible roof to be viewed from surrounding buildings with a thin layer of growing medium. This manual was written as a guide for greening roofs throughout Canada"--Introduction, page 1. Green roofs (Gardening) Canada Handbooks, manuals, etc. Toits végétalisés Canada Guides, manuels, etc. Handbooks and manuals lcgft Guides et manuels rvmgf Canada. Public Works and Government Services Canada, issuing body. PDF 628 KB https://publications.gc.ca/collections/collection_2021/spac-pspc/P21-6-2002-eng.pdf