This study addresses categories of design treatments for a rooftop at The Sylvester Broome Empower Village, located in Flint, Michigan. Five design treatments: flat roof, self-design roof, extensive green roof, semi-intensive green roof, and intensive green roof, were evaluated by 36 variables chosen by the investigator. The Friedman test was applied to examine significant differences between the five treatments (α ≤ 0.05). The Friedman’s multiple comparison test revealed the treatment of the flat roof performed the poorest. There was no significant difference to demonstrate that the other four design treatments perform better than the other, but the treatment of intensive green roof performs better than self-design rooftop.Keywords: landscape architecture, green roof, roof garden, slab roof, rooftop design, rooftop, self-design rooftop, extensive green roof, semi-intensive green roof, intensive green roof.
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