Roof greening structure

The utility model relates to a roof greening structure which comprises a waterproof roll layer laid on a reinforced concrete slab and used for reducing the influence of water on the reinforced concrete slab; the water storage and drainage layer is laid on the waterproof coiled material layer and provided with one or more water storage grooves, and the water storage grooves are used for storing a proper amount of water to be absorbed by vegetation; the geotextile filter layer is laid on the water storage and drainage layer and used for reducing soil and the like required by vegetation from entering the water storage and drainage layer so as to improve the water storage capacity of the water storage tank; and the planting layer is laid on the geotechnical cloth filter layer and is used for providing an environment required by vegetation growth. The roof greening device has the effect of improving the roof greening stability. 本申请涉及一种屋顶绿化结构，其包括防水卷材层，铺设于钢筋混凝土板，用于减轻水对钢筋混凝土板的影响；还包括蓄排水层，铺设于所述防水卷材层，开设有一条及以上的蓄水槽，所述蓄水槽用