When a Flat roof is starting to leak that has a shingle roof connected to it, it is most likely that the leak comes from the shingles.
See how to find leaks on a shingle roof and how to make the necessary repairs.
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0:00 Explaining why singles cause leaks on a flat roof
0:15 Explaining where water enters in
1:26 Fixing the leak on Shingle Seams

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