2 In 12 Roof Pitch

Or the colon can replace the slash as in 2 12 or 7 12.

2 in 12 roof pitch.

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal. There are two suggested ways to measure a roof pitch. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely.

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. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. 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. Roof pitch or slope tells you how many inches the roof rises for every 12 inches in depth.

The exact roof slope in degrees is given by the arctangent. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. The combination of two numbers are used to display or show the roof pitch. Roof pitch defined and explained.

If this isn t practical then perform the same measurement on the underside of the roof. Image 1 12 to 12 12 roof pitch 7 12 pitch. Most roof s have a pitch in the 4 12 to 9 12 range. What is the minimum slope for an asphalt shingle roof.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Roof pitch degree table. Thus pitch is typically greater in areas of high rain or snowfall. The table below shows common roof pitches and the equivalent grade degrees and radians for each.

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. Roof pitch designations are comprised of two numbers indicating a ratio. The first is from the top of the roof.

Definitions vary on when a roof is considered pitched. Asphalt shingles continue to be the most widely installed roof covering option in north america. 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.