Roof pitch degree table.
Metal roof 12 12 pitch.
In fact a properly installed metal roof can be used on roofs as shallow as 1 2 inch 12 inches which is almost flat.
Lap sealants shall be applied in accordance with the approved manufacturer s installation instructions.
The minimum slope for lapped non soldered seam metal roofs with applied lap sealant shall be one half unit vertical in 12 units horizontal 4 percent slope.
Metal roofing made of steel and copper are ideal for shallow pitched roofs.
12 12 roof pitch equivalents roof rises 12 in a length of 12.
The minimum slope for lapped non soldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope.
Panels joined with an applied lap sealant can go as low as 12.
Image 1 12 to 12 12 roof pitch 7 12 pitch.
If this isn t practical then perform the same measurement on the underside of the roof.
12 12 roof pitch angle 45 00 degrees.
After that the miimum pitch for metal panels depending on the methods used to join the panels.