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Green Roof Diagnostics

    Reinventing the Traditional Vegetated Roof for Detention – an application of whole-system thinking


    “Put simply: the modern vegetated roof is designed to drain extremely fast. That is not to say no one has considered alternatives,” states Sasha Aguilera. “Slowing down water to create detention has been tried in vegetated roofs, albeit with mixed success. There are a few examples of great success, but replicability and widespread adoption have been difficult to achieve. This is unsurprising, since creating detention in a thin vegetated system is challenging. However, innovations are changing that equation.”

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