Green Roof Rainwater Harvesting

Creating wildlife habitat absorbing greenhouse gasses insulating the building against heat cold and noise and extending the life of the waterproofing.

Green roof rainwater harvesting.

Alex wilson rainwater harvesting systems offer several attractive environmental benefits and should be considered with many green building projects. In fact it is quite common to harvest water from green roofs in germany and switzerland. However there are two issues. Green roofs vegetated roofing roof gardens rain gardens bioretention rainwater collection rain water harvesting.

Green roofs have more use than just rainwater management its benefits also include. Many buildings in the uk could be retro fitted with a green roof for a reasonable price and could add value. The rainwater harvesting system at the national wildflower research center is designed to provide 300 000 gallons of water per year. I am responding to the january 31 2010 texas water development board article effect of roof material on water quality for rainwater harvesting systems that has been resurfacing around the internet lately.

Green city resources is a cincinnati northern kentucky based woman owned landscaping company specializing in the design installation and maintenance of stormwater management systems. A green roof system atop a building helps manage stormwater and reduce energy. We also specializes in healing gardens horticulture therapy gardens and sustainable. But if it was a green roof this would fall to only 23 3m3.

Normally water is collected from building roofs and stored in dedicated water tanks. I am glad the article has been covered so well because it brings concerns to the quality of rainwater and stirs up questions about materials used in each system. Green roof technology is improving all the time. Rainwater harvesting systems collect and store rainfall for later use.

Furthermore it is possible utilise rainwater harvesting of a green roof contrary to claims from other industries. Thus the concave roof is made to help make even the smallest quantities of rain flow down the roof and eventually coalesce into bigger drops just right for harvesting before they evaporate. When designed appropriately they slow and reduce runoff and provide a source of water. The amount of water available to a rainwater harvesting system is about 90 for pitched roofs and around 75 for flat roofs.

This rainwater harvesting system is adapted to the architecture of the building and its surroundings. The harvesting of rainwater is as simple as collecting water from surfaces on which rain falls and subsequently storing this water for later use. The goal is to keep the water clean in some cases probably. So for example a 100m2 london roof pitched might send 52m3 of water to the tank per year.