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Green Roofs History of Green Roofs
Green Roofs History of Green Roofs
| History of green roofs |
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about 900 BCE First roof gardens were built in the Near East e.g. the hanging gardens of Semiramis (2nd.wonder of the world). about 0 The Romans built even fish ponds on roofs. as from 800 In Scandinavia and Island grass roofs were used for thermal insulation. as from 1400 During the Renaissance roof gardens are getting popular again. as from 1900 In Berlin the so called "Berliner Dach", a construction of timber and cement, is covered with gravel and clay. Due to flight of seeds wild meadows began to grow. as from 1920 In conjunction with the flat roofs of the Bauhaus style, green roofs spread out again. as from 1980 The ecological value of green roofs gets more and more important; the first extensive green roofs occur. as from 1982 The Forschungsgesellschaft Landschaftsentwicklung Landschaftsbau e. V. (FLL) publishes guidelines for the planning, execution and upkeep of green roof sites. since 2003 The Fachvereinigung Bauwerksbegrünung e. V. (FBB) arranges an annual symposium. At this symposium the latest trends and developments of green roofs are presented. March 2008 The Forschungsgesellschaft Landschaftsentwicklung Landschaftsbau e. V. (FLL) published the latest guidelines for the planning, execution and upkeep of green roof sites. |