What is drip edge?
Drip edge is a metal flange that is installed under the first row of shingles. It provides some support to the shingles so that they do not curl down over the years and cause cracking of the shingles and potential water to run down behind the eavestrough. It also creates overlapping of the wooden fascia that can be prone to rot due to water penetration.
Drip edge advantages
Drip edges protect the roof from moisture seeping underneath the edges. Drip edge also protects your roof from ice and snow, and wind-driven rain that can it’s way into weak points of your roof system.
Installing drip edge
There are several ways to install drip edge, but most contractors that take pride in their work will use a both drip edge and ice & water shield combination. Both items are very important for having a water tight roof. Make sure you talk to your contractor about proper drip edge installation.