| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof structure with a rain gutter, which obtains beauty similar to that of an inner gutter, without the application of sealing, by forming a lower roof, lower by one step, at an edge-of-eaves section and arranging a horizontal gutter on the lower roof. SOLUTION: This roof structure comprises an upper roof which is installed on the upper section of a building, and an upper-roof water drip which is provided in such a manner as to protrude to an edge side from the upper roof. In the roof structure, the lower roof lower by one step is arranged by forming a step on an upper-roof water drip section from the upper roof, and the horizontal gutter for receiving rainwater flowing down on the slope of the upper roof is arranged on the top surface of the lower roof along the edge side of the upper roof. COPYRIGHT: (C)2007,JPO&INPIT
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