Flashing, pipe boots, vent penetrations, and valleys are common places where Marietta roofs leak
https://southlocalbusiness.blob.core.windows.net/my-home-blog/storm-and-hail-roof-damage-in-marietta-what-to-do.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.