| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof material capable of enhancing a designing property, a waterproof function, a heat insulation function, a dew condensation function, etc. SOLUTION: In a metal roof material B in which a male-female connection structure having a hooking structure at a breadthwise side edge, a backing material C formed in the back face is fitted so as to be inserted into the downstream insertion edge 7 of the metal roof material B and a hooking groove 13a opened upward the upstream edge to get a roof material A on which the metal roof member B and the backing material C are integrally combined. COPYRIGHT: (C)2004,JPO&NCIPI
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