| 摘要 |
PROBLEM TO BE SOLVED: To form an interstice between a roof material and a sheet material, and allow dew condensation generated at the rear surface of a roof material main body to flow down easily by joint integrating a sheet material by dot adherence on the rear surface of a roof material main body consisting of a metal plate. SOLUTION: A foam resin sheet or an aluminum foil sheet 19 is laminated integrally by dot adhesion on the rear surface of a roof material main body 1 consisting of a metal plate at predetermined distances, so that an interstice is formed between the roof material main body 1 and the sheet 19. An S-shaped lock parts 14, 10 are formed on the right side 7 and upper side 9 of the roof material main body 1, and U-shaped lock parts 8, 3 are curvature formed at the left side 8 and lower side 2 thereof. Then, nails are driven to the attaching part 11 formed on the upper side 9 of the roof material main body 1 so as to fasten the roof material A to a roof board, after that, by fitting the S-shaped lock parts 14, 10 and U-shaped joint parts 8, 3 of the roof material main body 1 each roof materials A are roofed by being mutually connected vertically and left and right. Accordingly, dew condensation to be generated on the rear surface of the roof material main body 1 can easily flow down via an interstice between the roof main material body and the sheet 19.
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