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自己修过这样的铁皮屋顶漏水,能够给你一点倡议
According to the Australian standard, it should be a minimum of 2 degrees for the trapezoidal profile roofing, which is about 35妹妹 fall per 1000妹妹.
Standard: National Construction Code 2019 \ 3.5.1.3 Minimum pitches for metal sheet roofing profiles
https://ncc.abcb.gov.au/editions/2019-a1/ncc-2019-volume-two-amendment-1/part-35-roof-and-wall-cladding/part-351-sheet |
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