Not all roofs demand drip edges and ice obstacles, but they must be put in before the rest if you do require them. The steel drip edge assists immediate water from the roof and will extend out about 3/4 inches above the fascia. Protected the drip edge with roofing nails https://excellentopolis.com/roofing-hail-navigating-insurance-claims-for-a-hassle-free-experience/