| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof structure with which a stationary wave is less easily generated and so is a noise peak.SOLUTION: The roof structure has roofing material 2 with recesses and protrusions in which protrusions 21 opened downward and projected upward and recesses 22 opened upward and recessed downward are alternately formed in a direction along eaves. The roofing material 2 with recesses and protrusions is provided on a roofing board 31 so as to form a ventilation space 25 between the protrusion 21 and the roofing board 31. There is also provided a reflection board 1 which is non-parallel to both side piece parts 23 of the protrusion 21 facing each other and is also non-parallel to an upper piece part 24 of the protrusion 21 and a top face of the roofing board 31. |
