Required Pitch For Aluminum Pan Roofing

Profile in the context of metal roofing means the shape that the sheet of metal is bent into to form the panels.

Required pitch for aluminum pan roofing.

Roof slope of 1 4 per foot minimum is required on all roof systems. The pitch is measured in inches of vertical rise per foot of horizontal run and the 5v crimp profile shown above requires a minimum slope of three in twelve or 3 12 3 inches vertically per 12 inches horizontally. The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run. In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally.

Anything above that will require you to put out higher cost because they are already considered as higher pitch. The standard of lower pitch actually ranges between 1 12 to 5 12. The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. Just like other metal roofs the minimum pitch for a corrugated metal roof largely depends on the profile of the roof.

Secondary roof drains are to be positioned on the roof so that water will drains to the primary upslope and they should not be installed at the same elevation as the primary.