| 摘要 |
PROBLEM TO BE SOLVED: To provide a roofing material which can improve an appearance and strengthen a waterproof function, a heat insulating function, a dew condensation preventing function and a snow guard function. SOLUTION: This roofing material A is constituted in such a manner that an engaging-waterproof piece 11 is formed by upwardly protruding a tip, on the side of the lowermost position of a drainage slope, of the ornamental facing 4 of a metal roofing material B with a drop-in structure wherein a male/female coupling structure is formed at a side edge in a width direction. COPYRIGHT: (C)2004,JPO&NCIPI
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