Green Roof Meaning

Green roof components growing media water holding capacity field capacity maximum water capacity astm test.

Green roof meaning.

Green roofs come in many shapes and sizes can be installed on new buildings or applied to existing roofs but in general there are two different types of green roof systems used commonly. Moisture retained by media that cannot be removed aka wilt point 12 18 typ. 15 to 50 per square foot. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.

Meaning pronunciation translations and examples. A green roof can increase the life expectancy of a roofing system by protecting the roofing materials from direct ultra violet radiation and extreme temperatures. Look it up now. 8 to 20 per square foot.

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. 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 value to property or to achieve particular environmental benefits for. A roof covered with vegetation designed for its aesthetic value and to optimize energy. You will recoup the investment in your green roof within 8 to 21 years.

They fall into three main categories extensive intensive and semi intensive. For a conventional roof. Moisture retained by saturated media after free draining 40 60 typ. 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.

As a result the roof structure can require less maintenance saving the owner money in replacement costs over the long term life of the roofing system. These green roofs consist of a deep growing medium that is necessary to support a full range of vegetation from groundcovers to large trees.