8 12 Roof Pitch
This will give you the rise over run or pitch.
8 12 roof pitch. For example if you measure 4 inches the pitch of your roof is 4 12. For every 12 horizontal feet the roof changes 8 feet in vertical height. Set the level on the edge of the speed square as shown below then place the heel of the speed square on a rafter or gable edge of the roof. What is a 8 12 roof pitch if a roof rises 8 in a length of 12 this is 8 12 roof pitch.
A speed square and level can be used to easily find the pitch of a roof. 8 12 roof pitch to angle 33 69 degrees 8 12 roof pitch to angle 33 69 degrees. Examples of extreme slopes range from 1 4 12 almost flat to 12 12 sloping down at a perfect 45 degree angle. For most home styles roof pitches fall in a range 4 12 a moderate slope up to 8 12 fairly steep.
This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. 8 12 roof pitch equivalents roof rises 8 in a length of 12. Roofs any steeper than this are considered unwalkable and special equipment or scaffolding is required. The calculator above can handle much of this math.
Pitches between 8 12 and 10 12 33 40 are also considered walkable but it is not advisable and if you have to walk on these roofs extreme caution should be taken. 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. 8 12 roof pitch angle 33 69 degrees. 9 12 roof pitch 37 angle 36 37 degrees details.
10 12 roof pitch 40 angle 39 81 degrees details. 8 12 roof pitch 33 angle 33 69 degrees details. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. 8 12 roof pitch angle 33 69 degrees.
Sep 16 2018 8 12 roof pitch photo 8 12 roof pitch pinteres 8 12 pitch roof. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. High and low pitch examples. Roof pitch chart what is roof pitch chart.
The pitch of this roof is 4 8 12. Measure with a speed square.