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Abstract
Garden roof systems (GRS) are specialized roof systems that support vegetation growth on rooftops. Industry claims that the GRS offers a number of benefits such as longer service life for waterproofing membranes, reduction in heating/cooling needs of a building and lowering of the energy demands and associated greenhouse gas emissions. It is also expected that GRS can reduce stormwater runoff and improve water quality. Technical advances in roofing membranes and components offer techniques to install GRS in different climatic conditions. To quantify the engineering performance of the GRS in cold climates, National Research Council Canada instrumented and monitored the field performance of a generic GRS. Based on the field-monitored data, this paper will present and discuss the observations, design implications, and practical limitations of GRS.
Garden roof systems (GRS) are specialized roof systems that support vegetation growth on rooftops. Industry claims that the GRS offers a number of benefits such as longer service life for waterproofing membranes, reduction in heating/cooling needs of a building and lowering of the energy demands and associated greenhouse gas emissions. It is also expected that GRS can reduce stormwater runoff and improve water quality. Technical advances in roofing membranes and components offer techniques to install GRS in different climatic conditions. To quantify the engineering performance of the GRS in cold climates, National Research Council Canada instrumented and monitored the field performance of a generic GRS. Based on the field-monitored data, this paper will present and discuss the observations, design implications, and practical limitations of GRS.
Date
3/2009
3/2009
Author(s)
Bas Baskaran; David vanReenen; Judy Overton; Karen Liu
Bas Baskaran; David vanReenen; Judy Overton; Karen Liu
Page(s)
16
16
Source
Roof Consultants Institute
Roof Consultants Institute
Keyword(s)
garden roof; green roof;
garden roof; green roof;