Or copy this URL:
https://www.metalroofing.com/spirit/comment/12307/find/
Roof pitch is determined by rise over run. A 4:12 pitch roof will raise vertically 4" for every 12" it runs horizontally.
You can use a level and a tape measure on the roof or there are tools at the home centers that you can sight through to determine pitch.
11/9/2008
Isaiah Industries, Inc.
11/14/2008