Installing a vegetated fresh roof ...

Installing a vegetated fresh roof on a building is an idea as foreign to mostly American building owners, architects, and contractors as the European technology concerning which most such roofs are based. Aren't they limit to leak? What about the added loads? Are they worth the cost? What about the risk?
At the inferior International Green Roof Infrastructure discourse in Portland, Ore., last month architect William Brown of Veazey Parrott Durkin and Shoulders talked about the Indianapolis firm's first foray into recent roofs. When it came time to stamp the drawings for the delineate ...