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Raising an eco-friendly roof
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Apex Green Roofs installs a solar and green roof at WGBH. Produced by Brynmore Williams. Globe Correspondent

Posted on: Oct. 2, 2008 9:02pm,UTC
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GreenRoof .PDFs
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NRCA, National Roofing Contractors Association Green Roof Manual - NRCA PDF


GREEN ROOF MANUAL
How to Replace your Dead Roof with a Living Landscape - Pomegranate Center PDF

Posted on: Oct. 2, 2008 9:13pm,UTC
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EPA's Region 8 Green Roof
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The primary objective of EPA's green roof is to absorb the precipitation which contacts the roof surfaces and release it at a reduced and measured pace. The green roof is expected to reduce peak flow and runoff volumes from rain and snowmelt events to mimic a more natural landscape. Reducing the peak flow will minimize deleterious impacts to the South Platte River from concentrated stormwater runoff.

Natural landscapes like forests, wetlands, and grasslands trap rainwater and snowmelt and allow them to filter into the ground slowly. In contrast, impervious surfaces like roads, parking lots, and rooftops prevent rain and snowmelt from infiltrating, or soaking, into the ground. In an urban environment with mostly impervious surfaces, rain and snowmelt remains above the surface, where it runs off rapidly in unnaturally large amounts.

Storm sewer systems concentrate runoff into smooth, straight conduits. This runoff gathers speed and erosive power as it travels underground. When this runoff leaves the storm drains and empties into a stream, its excessive volume and power erode streambanks and streambeds, damaging streamside vegetation and dramatically altering aquatic habitat. These increased storm flows carry sediment loads from construction sites and other denuded surfaces and eroded streambanks. They often carry higher water temperatures from streets, roof tops, and parking lots, which are harmful to the health and reproduction of aquatic life.



Posted on: Oct. 2, 2008 9:22pm,UTC
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Designing Vegetative Roof Systems
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by James R. Kirby AIA
August 25, 2008

"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...." -more-

Posted on: Oct. 2, 2008 9:35pm,UTC
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Green Roof Awards of Excellence
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12 page PDF from 2003 First Annual Green Roof Infrastructure Conference, Awards and Trade Show with lots of information and pictures -PDF-
Posted on: Oct. 2, 2008 9:45pm,UTC
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Maintenance and Life-Cycle Considerations
by Nathan D. Griswold
September 3, 2008

"The long-term success of a green roof revolves around two main objectives: water tightness and vegetation. A quality seamless waterproofing membrane should be the foundation of every green roof. This article addresses the six essential elements that are critical to the success of an extensive green roof’s vegetation: -more-


Posted on: Oct. 2, 2008 9:50pm,UTC
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The Green Roof at Friends Center
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Vegetated Roof

Vegetated roofs, otherwise known as “green roofs” are literally rooftop gardens. They have been used widely in Europe, especially in Germany, and they have three major benefits.

First, they act as added insulation, helping to keep the building cool in the summer and warm in the winter. They also protect the underlying roof by shielding it from extremes in temperature and from water—green roofs have been known to extend a roof’s life up to three times its normal expectancy, which also saves building costs. Finally, green roofs protect our watersheds by keeping stormwater, which might otherwise wash pollutants into the rivers, onsite.

The green roof at Friends Center is part of a larger stormwater management system... ...We have replaced the old roof with a standard Energy Star roof. On top of the new roof a growing medium was added where hardy Sedum plants are now growing.

The plants are specially selected species that can withstand hot, cold, and dry conditions. They require little to no maintenance, and will be a beautiful addition to the view from Center City high rises.


Posted on: Oct. 2, 2008 10:07pm,UTC
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Penn State Center for Green Roof Research
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The story of the Center
In the last 7 years the Penn State Center for Green Roof Research has been leading the way to greener cities in North America. Read more

Greenroof materials testing
Penn State has an established program for testing green roof media and waterproofing materials using FLL and ASTM methods. Read more
Research Projects
Major projects include stormwater runoff quantity and quality studies, energy studies, plant growth and water use, media materials Read more
Green roofs on campus
The Penn State Office of Physical Plant has made a major commitment to using green roofs on campus buildings as a part of our effort to make a greener campus. -more-

Posted on: Oct. 2, 2008 10:23pm,UTC
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Volunteer Green Roof
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Posted on: Oct. 8, 2008 3:58pm,UTC
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California Acadamy of Science - 'Greenest' Museum
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All Things Considered
September 25, 2008
· A building heralded as the greenest museum in the world opens Saturday in San Francisco. The California Academy of Sciences features a living green roof with native plants, insulation made from recycled blue jeans and a large canopy of solar energy panels.

Italian architect Renzo Piano tucked the building into the hills of Golden Gate Park — in both form and function, the museum fits into the natural world surrounding it.


Wired Science heads back to the California Academy of Sciences to learn about the museum's living roof, which features 1.2 million native California plant species, solar panels and a natural ventilation system.

Posted on: Oct. 10, 2008 4:15pm,UTC
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