Roof 9 Over 12

Roof pitch degree table.

Roof 9 over 12.

9 12 roof pitch angle 36 37 degrees. If a roof rises 9 in a length of 12 this is 9 12 roof pitch. 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. If this isn t practical then perform the same measurement on the underside of the roof.

The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. 7 12 roof pitch 30 angle 30 26 degrees details. 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. High pitched roofs often require additional fasteners.

This will give you the rise over run or pitch. For example if you measure 4 inches the pitch of your roof is 4 12. Image 1 12 to 12 12 roof pitch 7 12 pitch. 9 12 roof pitch angle 36 87 degrees.

9 12 roof pitch to angle 36 87 degrees. They are the easiest ones to construct and they are safe to walk on. Conventional roofs have the pitch ranging from 4 12 to 9 12 33 3 to 75. But don t be fooled a steep roof is an excellent defense against weather.

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. What is a 9 12 roof pitch. 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.

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. They hava a pitch that can be as high as 21 12 175. 8 12 roof pitch 33 angle 33 69 degrees details 9 12 roof pitch 37 angle 36 37 degrees details. However you can only use this pitch with built up roofing or specialized synthetic roofing.