In the realm of building environmentally responsible rooftops, there are a number of means to an end: high R-value insulation layers, highly reflective roof surfaces, vegetative systems, photovoltaic arrays and solar thermal (i.e., hot water) systems.
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Green roofs, garden roofs, vegetative roofs, landscaped roofs - no matter what you call them, they are here to stay. The movement toward energy savings and environmental stewardship is legitimate, and green roofs are a big part of it. Green roofs have a number of benefits; however, there are considerations that need to be dealt with whether you are a designer, contractor or building owner.
