2 In 12 Roof Pitch

The combination of two numbers are used to display or show the roof pitch.

2 in 12 roof pitch.

The best roofs for a 2 12 pitch roof pitch basics. We included a roof pitch chart below the 7 12 example image and the calculator below that. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Asphalt shingles continue to be the most widely installed roof covering option in north america.

The exact roof slope in degrees is given by the arctangent. Simply mark a. Thus pitch is typically greater in areas of high rain or snowfall. 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.

There are two suggested ways to measure a roof pitch. Image 1 12 to 12 12 roof pitch 7 12 pitch. 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 degree table.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Roof pitch defined and explained. Or the colon can replace the slash as in 2 12 or 7 12. What is the minimum slope for an asphalt shingle roof.

Pitch is the term used to describe the angle slope or slant of your roof. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Most roof s have a pitch in the 4 12 to 9 12 range. An example of a roof pitch would be a 6 12 pitch which means that the roof rises 6 for every 12 inward towards the peak or ridge.

A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. Definitions vary on when a roof is considered pitched. If this isn t practical then perform the same measurement on the underside of the roof. The table below shows common roof pitches and the equivalent grade degrees and radians for each.