Flat Roof With Sheet Flow Off Edge

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.

Flat roof with sheet flow off edge.

Install roof drip edge along the eaves add underlayment then place drip edge along the gable end. It bends around the edge of the roof channeling any moisture that penetrates the shingles away from the roof decking. Rubber roof repair kit available on amamzon. Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.

Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. If it doesn t pull the drip edge out slightly from under the shingles. Metal drip edge flashing is an important element of any roofing edge. This should cover the most leak prone areas.

Depending on how the roofs join you may have to cut a slot to work it in far enough. Make sure the outer edge extends over the gutter. The best way is to install the roof drip edge only along the eaves first then place ice and water barrier in the snowbelt or felt paper underlayment over the drip edge.