Roof 9 Over 12

Roof pitch degree table.

Roof 9 over 12.

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. Also referred to as 9 12 roof slope 9 on 12 9 to 12 and 9 12 roof angle 9 12 roof pitch to angle 36 87 degrees equivalents. However you can only use this pitch with built up roofing or specialized synthetic roofing. If this isn t practical then perform the same measurement on the underside of the roof.

This will give you the rise over run or pitch. 9 12 roof pitch to angle 36 87 degrees. High pitched roofs often require additional fasteners. As well you will need much more roofing material on a roof pitch of over 9 12 than you would on a 3 12 roof.

They are the easiest ones to construct and they are safe to walk on. What is a 9 12 roof pitch. Conventional roofs have the pitch ranging from 4 12 to 9 12 33 3 to 75. If a roof rises 9 in a length of 12 this is 9 12 roof pitch.

We included a roof pitch chart below the 7 12 example image and the calculator below that. The table below shows common roof pitches and the equivalent grade degrees and radians for each. 9 12 roof pitch equivalents roof rises 9 in a length of 12. They hava a pitch that can be as high as 21 12 175.

For example if you measure 4 inches the pitch of your roof is 4 12. 9 12 roof pitch angle 36 87 degrees. Image 1 12 to 12 12 roof pitch 7 12 pitch. 7 12 roof pitch 30 angle 30 26 degrees details.

9 12 roof pitch angle 36 37 degrees. 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. 8 12 roof pitch 33 angle 33 69 degrees details 9 12 roof pitch 37 angle 36 37 degrees details. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.