Metal Shed Roof Framing. Very little to no wind force, but very slow to shed snow or rainwater; The gable is the most common, and it can be complicated with multiple roof lines the minimum pitch, however, that can be used with many roofing materials such as asphalt shingles or corrugated metal is 3 in 12 (3/12 pitch).
The roof rafters provide integral structural support to the roof.
This series lives up to its name due to all the walls and roof of the premier series can be framed in wood or framed in steel. If you're framing a gable roof on a new house, or building a shed or even a doghouse with a gable roof, you'll need to cut a number of roof rafters. On a shed roof i don't think you need sheathing and purlins,just sheathing and 30 lb felt should do ya,some manufacturers want an additional layer i'm building a wood shed lean too and a carport and was thinking of putting on a metal roof.i wont need sheating? Safstar outdoor storage shed for garden tools, wooden patio shed with gable roof and metal latches.
