What Is the Angle on a 4/12 Pitch?


Quick Answer

The angle on a 4/12 pitch is 18.43 degrees. The pitch is the comparison of the roof rise and run.

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Full Answer

The roof angle of incline is what primarily affects pitch. Homes are constructed using one of a common set of roof angles that are described in terms of the pitch. The 4/12 pitch is the standard roof found on most homes. It is not too steep and relatively easy for roofers to walk on.

To visualize pitch, imagine a ruler held exactly horizontally to the ground, placed over a roof. The length of the ruler is 12-inches, which is the run. The vertical distance between the open end of the ruler and the roof surface is the rise.

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