How To Roof Drip Edge

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.

How to roof drip edge.

Drip edges are metal sheets usually shaped like an l installed at the edge of the 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. While the vertical leg should be placed 1 4 1 2 away from the fascia. 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.

To install a drip edge on a newly constructed roof or on a re roofing job attach the drip edge along the roof s eaves first. The roof leg should extend a minimum of 2 back onto the roof sheathing. 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. Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.

Drip edge roof flashing types. The lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters. In other words it is the metal flashing located at the edge of a roof. It is also sometimes called d metal for drip.