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Wednesday Trivia
12-Oct-2011Wednesday Trivia:
What is the purpose of a gravel strip on a green roof?
Answer: The gravel strip creates a vegetation free zone and separates growing media from roof penetrations
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"We sought Mr. Breuning as a lecturer because his company represents one of the most successful, technically advanced, and progressive businesses associated with green roof technology in the USA."Duncan H.
Program Manager
New York Botanical Garden
