Roof Pitch Angle Chart

There is no standard universal roof pitch.

Roof pitch angle chart.

What is a 4 12 pitch. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. Contemporary houses often have flat roofs which shouldn t be completely flat but should be around 1 40. The pitch of a roof is determined by 2 numbers.

Roof pitch is a term describing how steep or flat your roof slope is. What is a roof pitch chart. In essence a roof pitch chart is provided as a rough guide usually by a roofing company to help you see what the average roof pitches tend to be. Roof pitch varies depending on culture climate style and available materials.

Usually they come in the form of a roof pitch diagram chart but other times it will be presented to you in a conversion format. In the usa the range of standard pitches is anywhere between 4 12 and 9 12. 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. A 4 12 roof pitch is referred to as the roof rises 4 inches in height for every 12 inches as it measured horizontally from the edge of the roof to the centerline.

Most commonly a roof pitch will be from 0 flat to 12 45. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Roof pitch angle and slope factor charts. Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run.

The combination of two numbers are used to display or show the roof pitch. For tile shingle slate and metal roofing roof pitch is a term used in the roofing industry to describe the angle slope of a roofing structure.