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.
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
Did you miss our previous article...
https://remodelingvideos.club/roofing/flat-roof-leak-repair-commercial-roof-flashing-turbo-poly-seal