2 12 Roof Pitch

Roof pitch designations are comprised of two numbers indicating a ratio.

2 12 roof pitch.

That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. Or the colon can replace the slash as in 2 12 or 7 12. Asphalt shingles continue to be the most widely installed roof covering option in north america. One method to find the pitch is to climb on the roof and measure the rise for a 12 run.

On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise. If this isn t practical then perform the same measurement on the underside of the roof. Roof pitch degree table. 2 12 roof pitch angle 9 46 degrees.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Image 1 12 to 12 12 roof pitch 7 12 pitch. Pitch is the term used to describe the angle slope or slant of your roof. Roof pitch is a term describing how steep or flat your roof slope is.

Roof pitch basics a 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. The combination of two numbers are used to display or show the roof pitch. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Thus pitch is typically greater in areas of high rain or snowfall.

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. You ll need a level that is 12 or longer and a tape measure. Simply put it s a shallow roof.

The exact roof slope in degrees is given by the arctangent. 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. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow.