How To Roof Drip Edge

Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.

How to roof drip edge.

Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter. In other words it is the metal flashing located at the edge of a roof. T shape drip edge is an l shaped flashing in which the long leg folds back on itself before heading down 90 degrees to form the short leg. Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.

The lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters. The best way is to install the roof drip edge only along the eaves first then place ice and water barrier in the snowbelt or felt paper underlayment over the drip edge. If this slight overhang is too short water will drip behind the gutters leading to rotted roof sheathing and fascia stained siding and even soil erosion and a flooded basement. A drip edge is a non staining and non corroding material applied on a roof s edge to give water the ability to filter out of the roof system.

Drip edge roof flashing types. The roof leg should extend a minimum of 2 back onto the roof sheathing. It is also sometimes called d metal for drip. Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.