Asked by: Keith Bumgartner
asked in category: General Last Updated: 7th March, 2020

What is a 4/12 roof slope?

A 4/12 roof pitch indicates the roof rises 4 inches in height for every 12 inches, as measured horizontally from the edge of the roof to the centerline. The gentle slope of a 4/12 pitch roof falls on the cusp between low-pitch and moderate-pitch.

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Also, what is a typical roof slope?

The most commonly used roof pitches fall in a range between 4/12 and 9/12. Pitches lower than 4/12 have a slight angle, and they are defined as low-slope roofs. Pitches above 9/12 are very highly angled and are designated steep-slope roofs.

Furthermore, how do you determine the slope of a roof? The angle, or pitch, of a roof is calculated by the number of inches it rises vertically for every 12 inches it extends horizontally. For example, a roof that rises 6 inches for every 12 inches of horizontal run has a 6-in-12 pitch.

Accordingly, how do you measure a 4/12 pitch roof?

The slope of your roof is the ratio of vertical distance (rise) to horizontal distance (run). Just write down the measurements you found. There's no need to simplify them. For example, if you find 4 inches of height with the tape measure at the 12 inch mark on the level, your slope is 4:12 or "4 in 12."

What roof pitch is 45 degrees?

A 12/12 pitch roof has a pitch angle of 45°.

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