How do you determine the pitch of your roof? For instance, how do I know if my roof pitch is 2/12 or 8/12 or ?
Question:
Answers:
Quik - Simple -Easy ....
Take a 2' level , a tape measure ( prefer 3/4" wide tape )
go up laddder to edge of roof... if level is not marked at one foot , mark it.
Put end of level on roof and bring up to level bubble in site glass.
Measure to bottom of level at the 1'- mark ...what ever that reading ( measurement ) is ...
that is your pitch .
If it measures 8" , then your pitch is 8/12.
2/12 = means the roof drops two inches every 12 inches of run. 8/12 means that it drops 8 inches every foot.
12/12 would be a wall
0/12 is a flat roof
etc
roof pitch is just an angle of the roof surface to the horizontal plane. Imagine a triangle with following sides: a vertical line from the roof ridge to the point where the line is intersected by the horizontal line drawn from roof gutters and the actaul roof plane. If the horizontal line is 20 feet and the vertical is 10 the roof has a pitch of 2/1
I'm sure the other answerers will explain what pitch is so I will tell you to go to your local roofing retailer and get a clear plastic gauge to look at your roofs pitch. You should be able to pick one up for free and look right through it to tell your pitch.
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