Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch.
Metal patio roof pitch.
This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge.
The minimum pitch for shingles is 1 6 which is equivalent to 4 inches rise to 24 inches run.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
You could also opt for a pvc flat roofing membrane.
So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum.
It is an essential element to ensure water drains properly off of your roof.
To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope.
The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run.
The primary reason roof pitch exists in the first place is to redirect water.
The pitch of your roof also helps determine the type of materials that can be used on your roofing system.
Most metal roofs will have minimum pitches of three in twelve but this might sometimes go down depending on whether there are special installation procedures issued by the manufacturer regarding that particular roofing material.