| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for preventing the detachment of a roofing material, enabling effective prevention of the detachment, even during strong wind blows and enabling reduction in cost. SOLUTION: A detachment preventing fitting 20 is installed within a roofing material 7 inserting groove 16 formed in the front or rear frame 4 or 3 of a roof, and the roofing material 7 is inserted for fixation between the upper edge 21 of the groove 16 and the fitting 20.
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