This video shows an abutment, (the joining of the roof to a side-wall), Turn-back Wall Flashing, and the Improper Use of Ice & WaterShield, now creating problems. This is a common problem that causes roof leaks along walls. It also shows the importance of using Step Flashing in place of Turn-back Flashing, how to install step flashing, and why it keeps on working when other flashings fail.

Addressing Home Owner's Roof Problems - Not Just Replacing Shingles:
https://www.exteriorsbygarywhillock.c...