The data includes: flat roof cornice (without insulation layer), flat roof cornice (prefabricated cornice), flat roof cornice (cast-in-place cornice), parapet and flashing, parapet flashing and coping plate, roof high-low span deformation joint, seismic joint, insulated roof, manhole on the roof, chimney vent out of the roof, vent out of the roof, iron chimney, roof flagpole, railing and cable base Dark internal drainage