Green Roof Palom

At the ford motor co.

Green roof palom.

A 10 4 acre extensive green roof in dearborn mich. Video forum about gardening education vertical gardening green roofs vertical farms and urban gardening. But they also must create a growing area and potentially provide support irrigation and root protection barriers while staying as light as possible. 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.

Green roofs are also known as vegetative or eco roofs. The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane. 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. Toronto was the first city in north america to pass a green roof law in 2009 requiring new buildings or additions that are greater than 21 000 square feet to cover between 20 and 60 percent of.

Two types of green roof exist. By contrast extensive green roofs use shallower media depths less than 6 inches and require minimal maintenance. Because of the challenges of selecting plants for shallow media this publication focuses on extensive green roofs.