Required Pitch For Aluminum Pan Roofing

The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot.

Required pitch for aluminum pan roofing.

The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run. In most occasions a pitch of three in twelve is preferred but this should also take into consideration the manufacturer s recommendations as well the unique condition of the corrugated metal roof. 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. 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.

Slope should be built into the structure on new buildings. Roof slope of 1 4 per foot minimum is required on all roof systems. 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. The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run.

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