2 In 12 Roof Pitch

Image 1 12 to 12 12 roof pitch 7 12 pitch.

2 in 12 roof pitch. Definitions vary on when a roof is considered pitched. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. The table below shows common roof pitches and the equivalent grade degrees and radians for each. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely.

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. Simply mark a. 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. We included a roof pitch chart below the 7 12 example image and the calculator below that.

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. The exact roof slope in degrees is given by the arctangent. The first is from the top of the roof. Thus pitch is typically greater in areas of high rain or snowfall.

The best roofs for a 2 12 pitch roof pitch basics. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Pitch is the term used to describe the angle slope or slant of your roof. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Roof pitch designations are comprised of two numbers indicating a ratio. 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.

Roof pitch degree table. Or the colon can replace the slash as in 2 12 or 7 12. Most roof s have a pitch in the 4 12 to 9 12 range. The combination of two numbers are used to display or show the roof pitch.

There are two suggested ways to measure a roof pitch. Roof pitch defined and explained. Asphalt shingles continue to be the most widely installed roof covering option in north america. If this isn t practical then perform the same measurement on the underside of the roof.