Even though manufacturers say 1 4 12 is acceptable.
2 12 pitch metal roof.
Roof pitch defined and explained.
Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.
The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
Pitch is the term used to describe the angle slope or slant of your roof.
2 12 roof pitch angle 9 46 degrees.
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.
The roof 50.
Roof pitch designations are comprised of two numbers indicating a ratio.
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.
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.
If a roof rises 2 in a length of 12 this is 2 12 roof pitch.