LEED Interpretation 10231 required a vegetated roof to be an intensive roof system, where the depth of the growing medium is 6 inches or more, and with at least six varieties of sedum. Is this still valid for v4? Thanks!
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Trista Brown
Project DirectorWSP USA
449 thumbs up
May 29, 2018 - 1:26 pm
Hello, in the v4 RG under Further Explanation - Vegetated Roofs it says that "Roofs can be either extensive or intensive systems."