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
IP卡
狗仔卡
发表于 2009-9-15 19:31:12
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡