FYI everyone - you dont actually walk or really go on the green part of the roof. You would create walkways and flat patio stone like areas for that.
As for the membrane it is far more protected when you use a green roof than just a typical roofing system.
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"The destructive effects of automobiles are much less a cause than a symptom of our incompetence at city building" - Jane Jacobs 1961ish
Wake me up when I can see skyscrapers
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