green roofs


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green roofs

A natural heating/cooling alternative that provides thermal insulation and evaporative cooling due to water circulating from plants. See also: Heating/cooling systems
References in periodicals archive ?
Plant selection, depth of growing medium, regional climates and project specific factors are crucial for the long-term success of plantings on green roofs.
Green roofs are broken into three categories: extensive, semi-intensive and intensive.
Liza's Garden, installed in 2008 on the roof of the ROM's original 1914 building, is one of Toronto's newest green roofs.
That's because this 40,000 square-foot expanse, poised above a three-story parking garage at the recently restored Puerto Rico Conservatory of Music in San Juan's historic Miramar neighborhood, is the island's first authentic green roof.
The green roof of the refurbished block will help to keep the building cool during the summer.
Then there is the increased cost and weight of many green roofs.
While not all the claims are panning out, green roofs do slow stormwater and provide a cooling effect in summer.
Sources point out that downtown green projects can go well beyond buildings to include green roofs, landscaped medians, sidewalk treescapes, flowers, planting native grasses, mini-parks, green vegetation in open areas and expanded public-transit systems designed to lessen reliance on cars.
For these reasons, Circo's conclusion is valid: regulatory takings jurisprudence will not pose a significant obstacle to regulations involving green construction, including green roofs.
R-function" Model to Calculate the Variable Thermal Resistance of Extensive Green Roofs.
Green roofs is one of the largest and fastest emerging product categories currently.