Shed Roof Slope Angle

In roofing it is expressed in inches of vertical rise over inches of horizontal run.

Shed roof slope angle.

There are advantages and disadvantages to having a steep pitch versus a shallow or low pitch the most obvious of which is the roof s ability to shed or withstand heavy snow rain or wind. You can always purchase a handy roof pitch and angle finder device to determine the roof slope. Acceptable flat roof coverings include tin roof sheets and pre fabricated plastic sheets. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

So far i have referred to the roof slope in degrees. Roof pitch refers to the slope which the rafter creates. A slope of 6 12 for example means that for every 12 inches 30 cm of length the angle of your roof rises 6 inches 15 cm. A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run.

Constructing a new shed roof at the desired pitch is as easy as knowing how to use a speed square. Often you express roof pitch as the ratio between the rise and the run in the form of x 12. This image shows a shed with a roof pitch of 30 degrees with a covering of cedar shingles. Shed roof a shed roof slopes in one direction only.

Easy rafters is designed to calculate shed roofs that are framed to a ledger board nailed against a vertical wall not freestanding shed roofs supported by walls at both ends. A roof with a slope of 10 degrees 2 12 or less is generally considered a flat roof. Roof pitch calculator the roof pitch measures the steepness of your shed roof and typically takes values from 1 to 12. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.

How is shed roof pitch measured. Beyond that you re free to choose whatever slope best fits your plans for your shed. 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.

Therefore if your roof rises 4 inches over the course of 12 inches of horizontal run then your roof pitch is 4 12. Visit the shed roofing page.