| quarter pitch | скат крыши с уклоном в 26,5 градусов (Considering the construction of the roof and the weight of the trusses, the most economical pitch for a roof is about 1/4 the span, or what is commonly called a quarter pitch, the rise of the rafters being 6" in 12" or 26 degrees and 34 minutes.  chestofbooks.com) |
