| 摘要 |
PROBLEM TO BE SOLVED: To provide a roofing structure improving design by forming different color parts at a roof without making appearance unnatural while minimizing a cost increase in manufacturing a roofing material. SOLUTION: The roofing structure of a building with a plurality of roofing materials 1 installed on roof backing 2, uses two or more kinds distinguished by the difference of surface colors, as the roofing materials 1. The color difference between the roofing material 1a with one color largest in the total exposed area on the roof, and the roofing material 1b with the other color, is in a range of 3-7. COPYRIGHT: (C)2008,JPO&INPIT |
