Carlsbad Roofing Contractor and General Contractor Mark Anthony

Rooftop gardens or living roofs offer several environmental advantages. Their increased use in urban areas has been due their ability to decrease water runoff from the roof area. The primary intent of the living roof application is to filter the stormwater and minimize the stormwater runoff from reaching the underground infrastructure. This is of particular importance in areas with older infrastructures because the capacity of the runoff could exceed the capabilities of aging sewer systems. The depth of the planting medium determines the amount of water runoff. The general rule of (green) thumb is that the thicker the medium the higher the potential decrease of water runoff. The vegetation further impacts groundwater by absorbing all of the pollutants from the rainwater prior to runoff. Studies have indicated that more than 95 percent of cadmium, copper, lead and a portion of zinc can be taken out of the rainwater, which prevents their distribution into groundwater. The vegetation also contributes to clean air by filtering and binding dust particles as well as naturally filtering airborne toxins. The other significant environmental advantages of living roofs are that they can help to reduce urban heat island effect, and they provide habitat for diverse of wildlife.

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