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.
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.
A drip edge is designed to take advantage of those forces and along with gravity direct water into the gutter.
Does the gutter go under over or behind a drip edge.
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.
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.
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.
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.
Direct water away from fascia.
Home centers sell rolls of 6 in.
Being a manufacturer of roof edgings and an installer of gutters i know first hand it s not always possible to get the gutter behind the drip.
Drip edges have two key purposes.
Use tin snips to cut the gutter apron flashing roll in two 3 in.
Most premade drip edge flashin.