You’ll most likely hear a dormer known as a dormer window, or maybe the type of dormer it's, and not a dormer roof. That’s mainly because dormers are more of the extension or addition to an higher level as a small home or window that juts out from your roof. https://webchewy.com/finding-the-right-commercial-roofing-services-in-chicago-expert-tips-for-business-owners/