2 In 12 Roof Pitch

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

2 in 12 roof pitch.

The best roofs for a 2 12 pitch roof pitch basics. Roof pitch defined and explained. Thus pitch is typically greater in areas of high rain or snowfall. If this isn t practical then perform the same measurement on the underside of the roof.

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal. 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. Definitions vary on when a roof is considered pitched. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Or the colon can replace the slash as in 2 12 or 7 12. What is the minimum slope for an asphalt shingle roof. 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. Most roof s have a pitch in the 4 12 to 9 12 range. Pitch is the term used to describe the angle slope or slant of your roof. We included a roof pitch chart below the 7 12 example image and the calculator below that.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. There are two suggested ways to measure a roof pitch. 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. The combination of two numbers are used to display or show the roof pitch.

The first is from the top of the roof. Asphalt shingles continue to be the most widely installed roof covering option in north america. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Roof pitch or slope tells you how many inches the roof rises for every 12 inches in depth.

Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Roof pitch designations are comprised of two numbers indicating a ratio. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. Image 1 12 to 12 12 roof pitch 7 12 pitch.