The answer to 'drip edge water stains' is that they are a common issue caused by improper installation or damage to the drip edge flashing. Drip edge is the metal edging installed along the roof's perimeter to direct water away from the fascia and siding. Water stains indicate the drip edge is not functioning as intended, potentially leading to water damage.
Causes can include drip edge that was installed incorrectly, became dislodged, or was damaged over time. This allows water to seep behind the drip edge and down the fascia, creating unsightly stains. Symptoms include water marks, peeling paint, and rotting wood on the fascia and siding.