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Abstract
Green roof assemblies are being installed at an increasing rate every year. However, a green roof assembly is not simply a roof assembly covered with an overburden of plants or landscapting. The term "green roof" actually is a misnomer. A green roof assembly is in fact a complex waterproofing assembly that is landscapted to some extent. By definition, neither a roof membrane nor roof assembly is designed to withstand hydrostatic pressure. Because a green roof assembly generally will have standing water within it and upon the membrane layer, the membrane within a green roof assembly should be a waterproofing membrane.
Green roof assemblies are being installed at an increasing rate every year. However, a green roof assembly is not simply a roof assembly covered with an overburden of plants or landscapting. The term "green roof" actually is a misnomer. A green roof assembly is in fact a complex waterproofing assembly that is landscapted to some extent. By definition, neither a roof membrane nor roof assembly is designed to withstand hydrostatic pressure. Because a green roof assembly generally will have standing water within it and upon the membrane layer, the membrane within a green roof assembly should be a waterproofing membrane.
Date
5/2006
5/2006
Author(s)
James Kirby
James Kirby
Page(s)
Keyword(s)
green roof; waterproofing
green roof; waterproofing