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What is Drip Edge and Why it’s Used in Roof Replacement

What does Drip Edge do in Roofing Installation?

what is drip edgeDrip edge in roofing is basically an extra piece of material installed at the edge of a roof that prevents water from going up under the roofing materials. Long story short, if you do not want the wood decking of your roof and facia boards to rot, it is best to install drip edge. Not installing drip edge is a rook mistake or a short cut. Most roof replacement contractors use this edge as a standard when doing asphalt shingle installation.

How does Drip Edge Work?

rotten roof deckingDrip edge diverts water away from the fascia board and prevents water from getting between fascia boards and the roofing shingles. By blocking water penetration, the edge keeps water from accessing the roof decking during heavy, windy rains.

When drip edging is not installed, gaps at the bottom of the roof exist and water can travel under roofing shingles at the sides of the roof. Additionally small animals can enter the attic. Drip edge is not necessary in most flat roof installations.

drip edge for roof installationDuring ice storms, drip edge protects roof line during ice dams that can occur during the winter months. At the bottom of the roof, the edge helps gutters direct water away from your house and foundation.

In short, drip edge extends the life of your roof and protects against expensive maintenance costs and possible mold damage to your home. For most people, the home is the largest investment. The fastest way to see the value in your home disappear is to have a major black mold infestation. In most cases, black mold will cause a home to be uninhabitable. Mold can cause serious health problems and any hint of mold is major red flag during a home inspection.