They’re known by many names – green roofs, sky gardens, vegetative roofs, living roofs – and they’re coming to more rooftops than ever.
In 2016, the North American green roof industry grew by an estimated 10% over 2015, which continued a decade’s long trend. It shows no signs of slowing down either. In Washington, D.C., for instance, the amount of green roofing jumped from 2.3 million square feet in 2016 to 5.1 million square feet in 2020.