Metal roof panels should be installed on roof slopes according to particular seams 2015 irc r905 10 2.
Roof pane slope.
Express the slope of a metal roof by a ratio which indicates the pitch of the roof.
The minimum slope of a roof depends on the roof s profile.
The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot.
The best roof pitch for solar panels is between 30 and 45 degrees.
The most shared or standard roof pitches are between 4 12 and 9 12.
All those pitches that are lesser than 4 12 going to have an insignificant angle and will be recognized as low slope roofs.
Minimum roof slope of 0 5 12 for lapped nonsoldered seam metal roofs with lap sealant applied.
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.
The profile is the shape taken by the sheets when you bend them to form panels.
Roof angle or pitch roof orientation how south facing a roof is and location.
What is the most common roof pitch angle.
The metal roof minimum slope doesn t stray far from other building with different material.
Minimum roof slope of 3 12 for lapped nonsoldered seam metal roofs without lap sealant applied.
You need to consider the slope requirements of each panel to determine this minimum slope.
Since rachel asked about roof slope i will focus on this one aspect.