Roof Slope Angle Chart

Measure the rise of your roof.

Roof slope angle chart.

Let s say it is equal to 1 5 m. Whatever you decide to go with though finding the best roof pitch chart is going to be very important. Low slope roofs are from 0 to 3 12 in pitch. Calculate the roof pitch as the proportion of rise and run.

Pitch rise run 1 5 6 25. Roof pitch is a term describing how steep or flat your roof slope is. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need. Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level.

To obtain an accurate roof pitch measurement properly measure the rise and run. Roof pitch angle and slope factor charts. Calculate the rafter length substituting these values into the following formula. The combination of two numbers are used to display or show the roof pitch.

Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m. Working with a local roofer is going to be your best chance of finding this information including arranging the work to be carried out. Some sources consider low slope to include 3 12 pitch roofs. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

Then you ll be able to measure slope from an unfinished attic space under the roof. Notes to the table above.