History of roof gardens are hidden deep in antiquity. The most famous example of this, of course, are ancient hanging gardens in Babylon. But green roofs are made thousands of years ago and the Nordic countries and in Central Asia from a purely practical reasons – for natural insulation and removal of water. In the past century, especially the development of a roof garden in Europe and America. Today, roof gardens are particularly relevant in the central part of cities in Western Europe, where it is felt a shortage of land for planting and liaison seats up about 80 percent of the central areas. In these cases, the roof garden is a necessity. But the issue has another side. Widely recognized championship in the creation of roof gardens, and especially in the production of new building materials and technologies, in the opinion of experts, at present time Germany. In this country one of the priorities in the design of new buildings is to provide green roofs, including those with a significant slope. In Swiss cities to 25% of flat roofs with vegetation occupy such a prescription works in Japan to develop gardens on all flat roof areas exceeding 100 m2. Again in Germany, for example, quality green roof give full guarantee of the order of 30-40 years. Such a roof will need repair during this period, but its ecological advantages are clear!
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