The roof leg should extend a minimum of 2 back onto the roof sheathing.
How to install drip edge on a new roof.
Apply roofing cement when installing drip edge on an existing roof.
Find and fix a leaking roof.
12 roof repair tips.
L shape drip edge is a simple 90 degree bend with a flare out at the bottom of the short leg.
When you install the drip edge over this strip it keeps the lower flange further from the home s siding which helps.
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.
Drip edge roof flashing types.
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.
Install the starter course.
This will allow for expansion and contraction and prevent buckling.
If using a type c drip edge you can install a furring strip to increase its performance.
Make sure the outer edge extends over the gutter.
If it doesn t pull the drip edge out slightly from under the shingles.
This lets any water that gets on the roof run down the underlayment and over the drip edge.
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.
Secure the drip edge with roofing cement.
How to install a drip edge.
The starter course is comprised.
Coat the flat part of the flashing that sits on the deck using a putty knife.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
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.