16 12 Roof Pitch Factor

For example if you measure 4 inches the pitch of your roof is 4 12.

16 12 roof pitch factor.

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. This 6 12 roof pitch factor can also be described in other measures. The combination of two numbers are used to display or show the roof pitch. The angle for 6 12 is 26 57 and in grades it is described as 50.

You can also calculate roof pitch even without using a roof slope calculator. In that case the multiplier is multiplied by the run of the rafter the horizontal distance that will be covered by the rafter. As 6 is half of 12 it is considered to be 50. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

The roof pitch factor is also used to calculate the length of common rafters. A roof pitch of 4 in 12 4 12 has a rise of 4 and a run of 12. Valley hip factor. Simply locate a roof rafter board place the end of the level against the bottom edge and measure from the 12 inch mark vertically to the bottom edge of the rafter.

Conventional roofs are the easiest to construct and you can walk on them safely. They have a pitch ranging from 4 12 to 9 12. You can easily find roof pitch factor chart online from where you can take help in calculating pitch factor for your roof. For example if the pitch of the roof is 6 then it is written as 6 12.

This will give you the rise over run or pitch. These roofs have a pitch less than 4 12.