The whole purpose is to direct the water into the gutters.
Proper gutter installation drip edge.
When you install the drip edge over this strip it keeps the lower flange further from the home s siding which helps to keep water further from the home.
If not installed properly this will impact the effectiveness of your whole gutter systems.
A furring edge is a strip of one by two wood you install on the vertical surface of the house just beneath the roof s edge.
It should never be installed outside the gutter i e against the fascia board.
The best practice is to always install the drip edge so that it is inside the gutter.
Drip edges have two key purposes.
Direct water away from fascia.
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.
This works out.
Make sure the outer edge extends over the gutter.
Determine what works best for your house before ordering gutters and attachments.
If it doesn t pull the drip edge out slightly from under the shingles.
Snap layout lines photo by mary beth montgomery.
Iko 2019 in the sketch above the furring strip is shown in blue.
Mark the highest point of the gutter run on the fascia 1 inches below the metal drip edge flashing on the extra wide fascia shown here the gutter is lower down.
A drip edge has to be resistant to possible erosion and should be 36 gauge or larger.
We can also relate it to gutter systems.
For proper water drainage the drip edge on the rakes should always overlap the drip edge on the eaves.
If you are installing a roof system drip edges and gutter aprons play the main role.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
A drip edge is designed to take advantage of those forces and along with gravity direct water into the gutter.
How to install gutters in 8 steps 1.
Secure the drip edge with roofing cement.