Flashing, pipe boots, vent penetrations, and valleys are common places where Marietta roofs leak
https://pub-3fb81553dec8447e9f78cc13238c2c70.r2.dev/my-home-blog/marietta/flashing-pipe-boots-and-valleys-where-roofs-leak.html
Flashing, pipe boots, vent penetrations, and valleys are common places where Marietta roofs leak, especially during wind-driven rain, making proper sealing and inspection important after storms.