| 摘要 |
PROBLEM TO BE SOLVED: To provide membrane roof structure for improving the service life of a membrane material and improving a thermal environment. SOLUTION: A slit part S is formed between an upper side unit film 5 and a lower side unit film 5 arranged along a roof surface. The unit films 5 are fixed at the left and right sides to an arch-shaped first frame 1, and the upper side 5b is fixed to a second frame 2 extending in the horizontal direction. An upper side part 7 of the lower side unit film 5 is arranged under a lower side part 6 of the upper side unit film 5.
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