Green Roof Palom

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.

Green roof palom.

At the ford motor co. Two types of green roof exist. The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane. 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.

Video forum about gardening education vertical gardening green roofs vertical farms and urban gardening. 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. A 10 4 acre extensive green roof in dearborn mich. 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. 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.