2 In 12 Roof Pitch

The first is from the top of the roof.

2 in 12 roof pitch. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. What is the minimum slope for an asphalt shingle roof. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. If this isn t practical then perform the same measurement on the underside of the roof.

Thus pitch is typically greater in areas of high rain or snowfall. The combination of two numbers are used to display or show the roof pitch. Asphalt shingles continue to be the most widely installed roof covering option in north america. 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.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. 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. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. We included a roof pitch chart below the 7 12 example image and the calculator below that.

Pitch is the term used to describe the angle slope or slant of your roof. Most roof s have a pitch in the 4 12 to 9 12 range. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal. Roof pitch defined and explained.

Roof pitch or slope tells you how many inches the roof rises for every 12 inches in depth. Simply mark a. Image 1 12 to 12 12 roof pitch 7 12 pitch. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Roof pitch degree table. Or the colon can replace the slash as in 2 12 or 7 12. Roof pitch designations are comprised of two numbers indicating a ratio. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

The best roofs for a 2 12 pitch roof pitch basics. There are two suggested ways to measure a roof pitch. The table below shows common roof pitches and the equivalent grade degrees and radians for each. The exact roof slope in degrees is given by the arctangent.