Green Roof Survery 2014

A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop.

Green roof survery 2014.

Intensive roofs have growth media deeper than 6 inches and extensive roofs have growth media shallower than 6 inches. For example the germans described roofs as intensive or extensive depending on their depth just as we do today in the united states. How is the green roof market developing. Low tech options for greener living by nigel dunnett dusty gedge john little and ed snodgrass mostly for its overview and achievable examples.

Green roof resourcesmost information on green roofs is aimed at big buildings but a few solid residential resources exist. The green infrastructure collaborative along with twenty organizations epa 2014. Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and. This system requires some maintenance from time to time these green roof systems lie between the extensive and the intensive and usually include a mix of plant types.

Green roof terminology came from germany more than 100 years ago. Green roof application and performance. The european federation of green roof associations has collected data about green roofs within europe. Air pollution plants are influential in reducing air pollution currie and bass 2008 green roof substitutes demolished vegetation a green roof with an area of 109 0 ha removes 7 87mt air pollutants per year van woert et al.

He points to the recent bibliothèque du boisé a 30 million project that features a green roof and is aiming for leed gold. This year wagnerhodgson received the prestigious 2014 design honor award from the american society of landscape architects for the firm s green roof design at salem state university s residence. As a roof type that requires frequent maintenance intensive systems can be thought of as gardens on a roof in contrast with an extensive green roof there are almost unlimited possibilities. There are two types of green roofs.

Builders coakley williams construction installed green walls opened up the roof for a three story atrium and dug into the earth to bury a stormwater collection cistern. First grab small green roofs. Extensive green roofs have media depths ranging from 5 15 cm whereas intensive green roofs have media. Desousa who received the 2014 government leadership award from the canadian green building council cagbc says that the administration started off by promoting sustainable development on its own buildings.

According to their 2015 report there was a green roof stock of 86 million square metres in germany in 2014 and about another 8 million square metres were added every year.