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roof underlaymen
roof underlayment
the architectural drawings call off a 40 lb under layment on the roof. is this the weight per sheet or the weight per square foot. i am trying to get my dead loads for the roof. it' per hundred square feet or 0.4 psf. mike mccann mmc engineering |
所有的时间均为北京时间。 现在的时间是 01:06 PM. |