NACHI launches another free hi-tech online course (roofing).

Originally Posted By: lgoodman
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Is this an error in the on line roofing course?


Text says slope of gutter should be 1/4 inch in 5-10 feet.


Quiz does not even give that figure in multiple choice and credits 1/4" per foot as the correct answer. If that is the correct answer then a 40’ run of gutter is 10" lower at one end than the other? Text must be right.


Originally Posted By: Nick Gromicko
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Nice catch Leigh!



Nick Gromicko


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