Inverted roof structure

The utility model relates to an inverted roof structure which comprises a reinforced concrete roof plate, a protruding roof structure and a roof fine component position. A gutter inlet is arranged on the reinforced concrete roof plate. The inverted roof structure is characterized in that: a sloping layer is poured on the reinforced concrete roof plate, a leveling layer is poured on the sloping layer, a waterproof layer is laid on the top surface of the leveling layer, a heat-preservation layer is arranged on the waterproof layer, a heat-preservation reinforcing layer is laid on the upper surface of the heat-preservation layer, and a cobble protection layer is laid on the heat-preservation reinforcing layer. A layer saves an air isolation layer, and an air exhaust hole does not to be arranged on the roof. The inverted roof structure has good functions of water proofing, heat preservation and heat isolation. Compared with the traditional roof structure, the inverted roof structure has the following characteristics: the air isolation layer is saved, and the air exhaust hole does not need to be arranged on the roof; the appearance is beautiful, the construction is convenient, the construction period is shortened, labor is saved, and the construction cost is reduced; in addition, the requirement of the roof structure for the construction quality can be met, and the engineering quality can be ensured.