Garden Shed Roof Pitch

This image shows a relatively shallow roof pitch of 15 degrees.

Garden shed roof pitch.

The basics of roof pitch geometry. Therefore if your roof rises 4 inches over the course of 12 inches of horizontal run then your roof pitch is 4 12. Remember that pitch is calculated as the height or rise of a roof pitch over 12 inches of horizontal run. It is expressed as x y where x rise and y run for example 4 12 or 5 12 and so on.

Pitched roofs are attractive and also can be used for additional space for a shed loft. Constructing a new shed roof at the desired pitch is as easy as knowing how to use a speed square. If you know the rise and run of your roof you can use this shed roof pitch calculator to help determine the correct pitch. This is based on how much rain and snow you are likely to get in an average year.

You should also contact your local building inspector to see if there are specific regulations in place governing the pitch of your shed roof. In the simplest possible terms shed roof pitch is defined as the amount of rise per foot of run. Read more about roof pitch at wikipedia. Simply put pitch is expressed as rise over run just as the grade is simply this fraction expressed as a percentage.

As stated in the video speed squares have useful markings on them from 0 to 12. If your roof pitch is greater than 3 your roof is considered pitched. Worth noting is that the higher the first number in the equation is the steeper the pitch of your shed roof will be. A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run.

Having a steeper pitched roof allows for more space in a shed loft.