the panels had to be trimmed and bent to form the edge that will wrap around the drip edge. how to fix a leaky gutter or eave trough with drip edge flashing – youtube. drip edge. small metal roof-1018130937bjpg . drip edge detail (1 of 1). the above roof had no drip edge on it and the shingle over hang was about 3 1/2 inches! look at the picture below to see how much room there was to . roof2jpg roofjpg.