Flat Roof With Sheet Flow Off Edge
Secure the drip edge with roofing cement.
Flat roof with sheet flow off edge. Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. Rubber roof repair kit available on amamzon. It bends around the edge of the roof channeling any moisture that penetrates the shingles away from the roof decking. One of the most common and inexpensive means of finishing a flat roof rolled asphalt installs over a drip edge flashing that prevents water from getting under the rolled asphalt material around.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end. It should overlap another piece of ice and water barrier laid below all the way down to the roof edge. Depending on how the roofs join you may have to cut a slot to work it in far enough. Metal drip edge flashing is an important element of any roofing edge.
Make sure the outer edge extends over the gutter. If it doesn t pull the drip edge out slightly from under the shingles. This should cover the most leak prone areas.