The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.
2 12 pitch metal roof.
We have a prairie style house in east tennessee mixed humid climate zone 4a built in the 1950s with a low slope roof pitch of 1 5 per 12.
2 12 roof pitch angle 9 46 degrees.
Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.
Roof pitch designations are comprised of two numbers indicating a ratio.
That said if you want to have a metal roof that is worth its weight in value that doesn t come with a ton of problems the minimum pitch for metal roof applications should be kept at around at least a 3 1 2 12 three and a half on 12 or above.
The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
The roof 50.
Or the colon can replace the slash as in 2 12 or 7 12.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
Pitch is the term used to describe the angle slope or slant of your roof.
Roof pitch defined and explained.