The raw edge of the roof sheathing and the top of the fascia board are covered by a metal drip edge that is applied to the roof sheathing and covered by the membrane.

Question: I'm going to add aluminum gutters to my home. Without them, cascading rainwater has damaged the lower portions of my exterior walls. A drip flashing goes under the roofing shingles ...

Gutter hangers are connected to the fascia every 2 to 2½ feet and support the straight lengths of the gutters. Start at the downspout outlet and slide a piece of gutter into the outlet.