| 摘要 |
PROBLEM TO BE SOLVED: To easily inhibit the downflow of soil in a vegetation section. SOLUTION: In a roof structure in which the vegetation section S in which soil 1 is laminated in fixed thickness is installed on an inclined roof B2, on which a waterproof layer 4 is mounted, a flat face member 5 with a large number of through-holes 5b, in which soil can freely in the thickness direction of the planting section S, is secured, a plurality of supporting members 3 freely supporting the face member 5 are set up onto the roof B2, and the face member 5 is supported by supporting members 3 under the state, in which sections to be supported 5a are separated from the waterproof layer 4, under the state along the roof B2.
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