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.
Roof drip edge installation on existing roof.
Make sure the outer edge extends over the gutter.
Coat the flat part of the flashing that sits on the deck using a putty knife.
Place the metal roof drip edge flashing along the gable ends.
Apply a continuous bead of cement along the top of the drip edge then press down on the shingle.
Once all the underlayment is applied go back and place.
When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view.
How to install a drip edge.
Tip 2 is.
Three tips for overlapping drip edge flashing.
Ask this old house general contractor tom silva demonstrates the importance of a properly installed drip edge subscribe to this old house.
While the vertical leg should be placed 1 4 1 2 away from the fascia.
Secure the drip edge with roofing cement.
The roof leg should extend a minimum of 2 back onto the roof sheathing.
Save yourself some.
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.
Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower.
Apply roofing cement when installing drip edge on an existing roof.
Install roof drip edge along the eaves add underlayment then place drip.