Ideal Roof Pitch Angle

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

Ideal roof pitch angle.

Usually average roof pitch is determined using the same roof length method. Artists commonly use north facing roof lights to allow cool light into their studios. The angle of your solar array is an important factor in maximizing your energy production. The loft space would be much larger with a roof pitch of 45 degrees.

Simply put roof pitch is the measurement of the angle or the steepness of your roof. Roof pitch calculator is great for calculating the pitch of your shed roof. In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally. Solar panel angle by zip code.

Greek says one must keep rafter length in range of 1 9 to 1 7 th of span but as per roman style the standard dimensions are kept about 1 3 to 2 9 th of span with an angle of 23 to 24 degree. 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. Depending on where you live the best angle at which you should install solar panels will change. The combination of two numbers are used to display or show the roof pitch.

Roof pitch angle and slope factor charts. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Roof pitch is a term describing how steep or flat your roof slope is. If you want to find the roof pitch in the form of x 12 simply calculate the pitch and substitute 12 for the run length.

The slope of your roof is vital as a moisture barrier among other things and having a roof that is too flat can potentially cause your shed to cave in. Remember roof pitch isn t just for aesthetics. However you can only use this pitch with built up roofing or specialized synthetic roofing. Commonly it is 3 4 th of span as per gothic rafter must be equal to span.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. The value displayed as the rise will be your x. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Because it is one of the many key elements that determine the safety of the roof over your head there is a very good reason to understand the purpose of roof pitch.

Pitch tan angle where angle is the roof pitch expressed in degrees. Most solar arrays are installed at a tilt. Pitched roofs can also be used to incorporate roof lights angled in a specific direction or dormer windows.