Despite the recent popularity and widely touted benefits of
vegetative roof systems, there still is some trepidation regarding
the use of such systems among many in the construction industry.
The concerns are not unfounded given a building's first line of
defense against the elements is its roof.
Although these statistics are dated, the explanation Herbert
gives for these phenomena during the 1980s, namely the introduction
of a large number of new roofing technologies in a brief time
period, may be analogous to the current situation facing vegetative
Vegetative roof systems, though viable alternatives to
traditional roof systems, face some obstacles to...
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