It is designed to protect the roof s sheathing from water damage caused by rain snow or ice being blown or rolling back beneath the edge of the shingles.
Roof drip edge flashing installation.
4 deep nail the drip edge to the sheathing every 16 if installing multiple runs of drip edge lap them by 1 4 1 2 inch keeping the nail back from the lapped joint.
The membrane does not have to extend fully to the outer edge of the drip edge flashing but it should be on top of the upper surface of the drip edge in a best practices roofing installation.
Secure the drip edge with roofing cement.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
Lift the shingles slide the drip edge underneath them and position it so that it extends over the gutters then replace the shingles and push down to seat the drip edge.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
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.
Apply roofing cement when installing drip edge on an existing roof.
Using drip edge with a nailing edge approx.
Drip edging is a strip of flashing that is applied to the edge of roofing prior to the installation of other items.
It is also sometimes called d metal for drip.
Coat the flat part of the flashing that sits on the deck using a putty knife.
How to install a drip edge.
Install the starter course.
Install drip edges on the eaves first.
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 it doesn t pull the drip edge out slightly from under the shingles.
Otherwise as we repeat just below some water is going to run under the drip edge rather than be directed off of the roof surface.
L shape drip edge is a simple 90 degree bend with a flare out at the bottom of the short leg.
Drip edge roof flashing types.
This will allow for expansion and contraction and prevent buckling.
The starter course is comprised.
Make sure the outer edge extends over the gutter.
A t shaped drip edge flashing is.
Place the drip.
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.
