拓展性屋顶绿化以其建筑受限少、投资少、建造简单等优势,成为屋顶绿化首选的绿化形式。本文从荷载、防水排水、植物选择及后期养护四个方面,总结拓展型屋顶绿化的施工重点,对屋顶绿化的推广实施提供一些技术经验。 Expanding green roof with its limited construction, less investment, construction and other advantages of simple, green roofs become the preferred form of afforestation. This article summarizes the construction focus of the extended roof greening from the four aspects of load, waterproofing and drainage, plant selection and later conservation, and provides some technical experiences on the popularization and implementation of roof greening.