The whole purpose is to direct the water into the gutters.
Gutter installation under drip edge.
How to install a drip edge.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
A gutter apron is used where shingles are not far enough from the edge of the gutter.
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.
A gutter apron is installed on the corners above roof decking.
Secure the drip edge with roofing cement.
For proper water drainage the drip edge on the rakes should always overlap the drip edge on the eaves.
It should never be installed outside the gutter i e against the fascia board.
The drip edge not only safeguards you from potential damages but it also preserves the appearance of your roof.
So the rainwater flows into the gutter and out of it through downspouts attached along the wall and away from the house.
Do i have to fix it.
It is put under the shingles of an attic to flow water directly into the gutter.
The gutter is installed right under the drip edge which is tilted purposely.
While on the other hand a drip edge is installed to the trim and usually hangs directly behind the back of the gutter.
The best practice is to always install the drip edge so that it is inside the gutter.
If it doesn t pull the drip edge out slightly from under the shingles.
Make sure the outer edge extends over the gutter.