Originally Posted By: Daniel Keogh
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First I should say tha my expertise is most in steep sloped roofing. I would recomend to a buy that they inspect a flat roof once a year. Flat roofs are very tricky they can often fail with out any warning. I would choose the wording on my report very carefuly. You may find yourself buying an expensive roof repair. I Know, it just happened to me.
Nick the shingle you are see that is running up the rake edge is a starter shingle. Some roofers don't stop the sarter course at the gutter edge, They continue up the rake edge. They believe that by doing this they will get a straiter edge on the rake. Shingle manufacturers do not recomend this but I have never seen any damage caused by this technique.
I have seen experianced roofers get fooled by this starter shingle. Just look carefuly, if the bottom shingle is in a 3ft. section it can't be a course of shingles.