Detailed View Seamless Gutters Installed Behind Drip Edge

The first mistake that some gutter installation agencies make is installing gutters on top of the drip edge called roof flashing.

Detailed view seamless gutters installed behind drip edge. Home centers sell rolls of 6 in. If the overlap is too short fix it by placing drip edge under the first row of roof shingles and be sure that the exterior edge is reaching over the gutter. Drip edges have two key purposes. If the gutter is lower than the bottom edge of the drip edge install flashing behind the drip edge and over the back edge of the gutter to remove the gap.

Most premade drip edge flashin. This is a faster installation method but it also allows water to run off the roof and drip between the gutter system and the fascia a straight board that runs directly below the roof supporting roof tiles and. Does the gutter go under over or behind a drip edge. A drip edge is designed to take advantage of those forces and along with gravity direct water into the gutter.

Due to cohesion surface tension and other forces water droplets tend to stick to one another and to the surfaces they are on albeit slightly. Use tin snips to cut the gutter apron flashing roll in two 3 in. The other element is if the gutter is not installed behind the drip edge it creates an air gap between the top of the gutter and the bottom of the drip edge which allows a place for the water to go. If your gutter has been previously installed rather than taking it down and redoing it you can easily place a small strip of metal flashing under the drip edge and over the back of the gutter as shown by the illustration at the bottom of this page so the water will shed into the gutter.

Direct water away from fascia. If there s a drip edge installed where the fascia meets your shingles and the gutter is hung below the drip edge get some roll flashing and tuck it up under the drip edge and over the top of the gutter.