It s installed on the two high sides of the roof not the low side of the roof that follows the pitch.
Roof gable edging.
Gable trim is used to finish off the edge of your roof.
Amerimax c3s 1 5 in x 10 ft unpainted galvanized galvanized steel drip edge.
Item 15551 model 5610400120.
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.
Add up the total amount of gable of the roof and divide by 9 5 10 long length 26 gauge metal.
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Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
It bends around the edge of the roof channeling any moisture that penetrates the shingles away from the roof decking.
There is also a kick out on the bottom of the gable trim that will help direct water away from your wall.
Metal drip edge flashing is an important element of any roofing edge.