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.
How to replace drip edge on existing roof.
Secure the drip edge with roofing cement.
You may need to use a putty knife to break the seam between the first course and the starter strip.
Now that the roof is applied it is much more difficult invasive time consuming to install the drip edge being 3 stories only makes it much worse.
Lift up roof shingles and nail the eave strip in place with galvanized.
At 7 05 paul begins replacing the drip edge roof flashing.
Slide the flat bar under starter course and pry out the nails.
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.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
Replacing drip edge eave strips.
Hold the board in place and use 2 in 5 1 cm nails and a hammer to secure it in place.
Make sure the outer edge extends over the gutter.
With without rain gutters.
Use 1 2 nails through each rafter to secure your fascia board.
Tools supplies tin sn.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
Drive 1 2 nails in per rafter so it doesn t move around.
Align one end of the lower eave strip even with the edge of the roof decking.
This is important to protect damage to your fascia soffits rafters.
Install the eave strips on the lower roof edges first with the eave strips under the shingles and felt underlayment.
Place your nails in line with the marks on your drip edge and place it in the center of your fascia board.
Use a flat pry bar to remove drip edge nails along the eave and rakes.
If installing the roof from scratch i recommend a steel drip edge with a little overhang to help support the shingles but 1 2 is not enough in a climate with any of heavy rain wind snow or ice.
1 1 2 minimum is totally standard procedure in canada anyhow.