2 12 Pitch Metal Roof

Even though manufacturers say 1 4 12 is acceptable.

2 12 pitch metal roof.

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. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Or the colon can replace the slash as in 2 12 or 7 12.

A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Roof pitch designations are comprised of two numbers indicating a ratio. 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.

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. Pitch is the term used to describe the angle slope or slant of your roof. If a roof rises 2 in a length of 12 this is 2 12 roof pitch.