Roofing drain port combination grate

The utility model relates to a building rain (drain) port grate, in particular to a roofing drain port-shaped grate. The roofing drain port combination grate consists of an upper panel (1) and apron boards (2). The apron boards (2) are fixed at the edge of the lower surface of the upper panel (1). Water passing gratings (3) are arranged on the lower parts of the apron boards (2). The roofing drain port combination grate of the utility model has the advantages of simple structure, convenient field manufacturing and processing, capability of utilizing leftover materials and making waste profitable and accordance with the ideas of saving resources and protecting the environment, which are called for by the state. For example, a natural granite plate commonly used for the floor of a building can be utilized; the water passing gratings are cut by an electric tool; and the natural granite plate and the water passing gratings are adhered by a special adhesive to form the roofing drain port combination grate. The roo