Green Roof Defined

A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems.

Green roof defined.

A green roof also known as an eco roof living roof vegetated roof oikosteges or greenroof is one that is either partially or completely covered in vegetation on top of the human made roofing structure. An extensive green roof can reduce sound from outside by 40 decibels while an intensive green roof can reduce sound by 46 50 decibels peck et al. Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal. Green roofs can increase a building s marketability.

15 to 50 per square foot. How to use roof in a sentence. Green roofs are covered with growing media and vegetation that enable rainfall infiltration and evapotranspiration of stored water. Green roofs benefit the environment and local communities in many ways.

Definition of green roof what is a green roof. A green roof system atop a building helps manage stormwater and reduce energy costs for cooling. They fall into three main categories extensive intensive and semi intensive. A vegetated landscape built up from a series of layers that are installed on a roof surface as loose laid or modular that is installed layer by layer on the roof or as pre prepared layers in trays green roofs are constructed for multiple reasons as spaces for people to use as architectural features to add.

A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. Roof definition is the cover of a building. 8 to 20 per square foot.

A roof covered with vegetation designed for its aesthetic value and to optimize energy. Green roofs have excellent noise attenuation especially for low frequency sounds. They are particularly cost effective in dense urban areas where land values are high and on large industrial or. A green roof also known as a living roof is the use of the space on top of a building to grow plants either decorative vegetation or food crops.