The shingles should extend past the top flange of the drip edge.
Gutter behind drip edge.
When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters.
Its main purpose is to eliminate the water from going behind the gutter.
The gutter should be mounted on the face of the fascia so that its run which must be sloped towards the downspout lies below the drip edge flashing at all times.
Posted by everything gutter on sep 15 2015 in downspouts gutter cleaning gutter guards gutter repair gutter sagging ice dams leaky joints leaky seams new gutters seamless gutters seamless rain gutters comments off on does the gutter go under over or behind a drip edge.
The drip edge further diverts it into the gutter.
Many of the solid gutter covers are design to take advantage of this water characteristic.
When it rains the water from the roof goes to the edge of the shingles and when the water backflows it hits the drip edge.
Drip edge is an essential part of the roof system.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
Does the gutter go under over or behind a drip edge.