12 Degree Roof Pitch Options

A 12 12 pitch roof has a pitch angle of 45.

12 degree roof pitch options. Most roof s have a pitch in the 4 12 to 9 12 range. Divide the first part of the ratio by 12 to work out the pitch. Anything above 6 12 is a steep roof pitch since it becomes harder to walk on the roof. What degree angle is a 12 12 pitch roof.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. Roof pitch designations are comprised of two numbers indicating a ratio. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

Anything under 3 12 is a low pitch roof. This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. The table below shows common roof pitches and the equivalent grade degrees and radians for each. You could also opt for a pvc flat roofing membrane.

With the use of this converter it will be easier for you to locate a 30 degree roof pitch 20 degree roof pitch 25 degree roof pitch or a 15 degree roof pitch. If you want to discuss other low roof pitch options you can contact a local professional roofer. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. A 3 12 roof pitch angle is about 14 so on and so forth.

The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72. Or the colon can replace the slash as in 2 12 or 7 12. To convert between american roofing ratios and pitch degrees follow these steps. So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum.

There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12. 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. 4 12 is quite typical. Roof pitch defined and explained.

Other than the 45 roof slope which is 12 in 12 none of the standard roof pitches 5 in 12 6 in 12 etc are equal to a whole degree.