2 12 Roof Pitch Angle

Simply put it s a shallow roof.
2 12 roof pitch angle. This is the slope of geometry stairways and other construction disciplines or the trigonometric arctangent function of its decimal. The combination of two numbers are used to display or show the roof pitch. The roof pitch angle greatly factors into the replacement cost of the roof. Roof pitch degree table.
Roof pitch basics a 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. Common roof pitches and equivalent grade degree and radian angles. You can assess this in two ways either as the roof pitch angles which the rafters make with the horizontal or the proportion between the run and the rise of the roof. Most roof s have a pitch in the 4 12 to 9 12 range.
Roof pitch designations are comprised of two numbers indicating a ratio. Roof pitch defined and explained. Often you express roof pitch as the ratio between the rise and the run in the form of x 12. However most often a ratio of pitch also fraction is slang used for the more useful slope of rise over run of just one side half the span of a dual pitched roof.
45 this is our pitch calculator which will convert pitch to angle or angle to pitch for half degree roof slope calculations. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. Enter any pitch or fraction of pitch to find angle. Or the colon can replace the slash as in 2 12 or 7 12.
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. If a roof rises 2 in a length of 12 this is 2 12 roof pitch. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. 2 12 roof pitch angle 9 46 degrees.
A steep roof usually sheds water quickly which is quite difficult to work on. 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. Pitch angle incline slope they all can be used to refer to the steepness of a 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.
Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Enter any angle or fraction of angle to find pitch.