Green roof


Also found in: Dictionary, Wikipedia.

green roof

[′grēn ¦rüf]
(mining engineering)
A mine roof which has not broken down or which shows no sign of taking weight.

Green roof

A roof system in which living plants are maintained in a growing medium using a membrane and drainage system. Green roofs can reduce stormwater runoff, moderate temperatures in and around the building by providing insulation and reducing the heat island effect, as well as provide a habitat for wildlife and recreational space for humans. When properly constructed, green roofs increase roof durability, because the roof assembly’s air and water barriers are buffered from temperature fluctuations and UV exposure. Green roofs are considered a sustainable building strategy in that they have the capacity to reduce stormwater runoff from a site, modulate temperatures in and around the building, have thermal insulating properties, can provide habitat for wildlife and open space for humans, and contain other benefits as well. Green roofs help to invest in the protection of the environment by diminishing developmental impact on communities while providing a fresh approach with visually appealing organic architecture, a potentially ideal union of aesthetics, economics, and ecology.
References in periodicals archive ?
What is the Green Roof Trays System, why are they very important, who should install them and where are they installed.
Four new bird species were observed on the green roof in 2018, making it a total of 29 bird species identified since the installation of the green roof was completed in 2014.
There are a few hurdles that can make or break your green roof project if you're not careful.
Green Roof Debate (online only): Write a persuasive essay about green roofs.
In 2016, San Francisco became the first city in the United States to incorporate green roof requirements, following rules mandating solar.
Counterpointe's new program for green roof installation permits inclusion of other eligible improvements in the financing of the green roof.
Although the green roof market continues to grow, there is still an enormous potential for new green roofs to be installed on tens of billions of square feet across North America.
Three envelope types were considered: 1) a building with no plant (the baseline building model), 2) a building with green walls, and 3) a building with green walls and green roof. For a medium office building all the pre-1980, post-1980, and new construction buildings were analyzed.
The Green Roof system helps twice to protect the environment: by using recycled products on the one hand relieving disposal sites and on the other hand giving nature the chance to reconquer space in the crowded cities.
Extensive green roof systems are relativey low-maintenance, using low-lying plants to create a light roof load, while intensive green roofs might include trees and other large plants.
For example, at Nemours Children's Hospital in Orlando, Fla., a green roof concept of a "hospital in a garden" was created, embedding gardens within the facility to provide direct access for patients, visitors, and staff.