Which Of These Statements About Green Roofs Is False

What s the difference between an extensive green roof and an intensive green roof.

Which of these statements about green roofs is false.

Green roofs have excellent noise attenuation especially for low frequency sounds. With the growth of the green roofing industry some trends can now be identified. Thermosets soften under heat. Of the three types of green roofs green roofs cause the greatest structural load.

A black asphalt shingle has a lower thermal emissivity compared to a cool color asphalt shingle. This meant the society was mobile and spent the majority of its time. Unlike early norse techniques modern green roofing. 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 are also known as vegetative or eco roofs. In germany where green roof research has the longest history extensive green roofs are used as an economic alternative to other options. Extensive green roofs usually use plants with foliage from 2 to 6 inches and from 2 to 4 inches of. Which of these statements about green roofs is false.

A roof membrane by its nature acts as a vapor retarder and therefore a separate vapor retarder is not required below the roof membrane. Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and. Epdm cannot be heat welded. Green building design that can lead to leed certification does not include.

Agriculture environment before human societies adopted agriculture they survived by hunting for meat and gathering plant foods. Green roofs can increase a building s marketability. Reduction in the number of contractors. For instance many early green roof installations from five or six years ago involved building owners and developers who were very familiar with the technology and had a good understanding of the installation and care of a green roof.

False as a general rule when vapor retarders are required in cold climates they should be located on the warm heated side of the insulation. Which of these low slope roofing materials statements is wrong. The modern green roof concept was introduced in germany about 40 years ago where more than 10 percent of the country s roofs have gone green. The popularity of green roofs has increased in the united states due to their many benefits while pretty green roofs serve a much greater purpose than simple beautification.

An extensive green roof has low lying plants designed to provide maximum groundcover water retention erosion resistance and respirative transpiration of moisture. 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. A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop.