多年以来,由于城市的大规模建设,作为绿色植物赖以生存的土地资源在逐步减少。城市里的公园、广场、小区园林、公共绿地已无法满足人们休闲健身等方面要求。人们渴望营造出属于自己的“江南园林”、“小桥流水”的私家花园。但却因植物根系对屋面防水层和主体的巨大穿透力而止步,如果防水层 Over the years, due to the large-scale construction of the city, the land resources on which green plants depend have been gradually reduced. The city parks, squares, residential gardens, public green spaces have been unable to meet the requirements of people’s leisure and fitness. People are eager to create their own “Garden of the South ”, “Bridge water ” private garden. But because of plant roots on the roof waterproofing layer and the main body of great penetration and stop, if the waterproof layer