4 12 Roof Pitch

Common roof pitches and equivalent grade degree and radian angles.

4 12 roof pitch.

4 12 roof pitch 18 angle 18 43 degrees details. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. 5 12 roof pitch 22 angle 22 62 degrees details. Most roof s have a pitch in the 4 12 to 9 12 range.

Roof slope roof angle and pitch degrees. Roofing terminology for roof pitch are. 4 12 roof pitch equivalents roof rises 4 in a length of 12. A 4 12 pitched roof simply means that the roofline rises 4 feet in height for every 12 feet of depth.

They are designed at a 4 12 pitch to be spaced 2 foot on center. 4 12 roof pitch to angle 18 43 degrees also referred to as 4 12 roof slope 4 on 12 4 to 12 and 4 12 roof angle. For example if the peak of your roofline is 18 feet from the outer wall where it starts and the wall as a 4 by 12 pitch then that means that the roof would be 6 feet in height above where it started at the wall. 6 12 roof pitch 26 angle 26 57 degrees details.

This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. This forms an angle of 18 5 between the horizontal section and the roof and creates a gentle incline that is seen as a midpoint between a low pitch and medium pitch roof. To determine your roof pitch calculator.

The gentle slope of a 4 12 pitch roof falls. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. A 4 12 is a roof slope that rises by 4 inches for every 12 inches across. To see roof pitch to degrees equivalents.

What is a roof pitch examples. A 4 12 roof pitch can also be expressed as 4 over 12 and when you re talking to a roofer this is the most common way you ll hear it explained because it s easy to say in conversation. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. 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.

Another way to express a 4 12 pitch is 4 and 12 in this pitch the four is your roof s rise and the twelve is the roof s run. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length.