| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof structure of a no-snow-dropping type, which melts snow before accumulation without requiring the removal of the snow accumulated on the roof. SOLUTION: This roof structure comprises a roofing material A and a heat-medium spraying unit H. The roofing material A comprises a metal roofing material B wherein a male-female connecting structure is formed at a width-direction side edge and which is provided with a recessed gutter-like part 11 by forming a snow stop part P rising in an upper part, through the using of the male-female connecting structure, and a heat-medium holding sheet C which is formed in the gutter-like part 11. In the roof structure, the roofing material A is fixed to a substrateαin such a manner that the snow stop part P of the roofing material A is almost parallel with the ridge of the roof, so that a heat medium H2 can be sprayed on the sheet C of the roofing material A by the unit H. COPYRIGHT: (C)2007,JPO&INPIT
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