Ask this old house general contractor tom silva demonstrates the importance of a properly installed drip edge subscribe to this old house.
Roofing drip edge instructions.
Install the drip edge by fitting it on the roof eave pushing it tightly against the edge of the plywood and nailing or screwing it down.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
When you place the next drip edge piece it should overlap the first by an inch.
Gaf mastering the roof chapter 05 the drip edge is critical to provide a finished look and to add waterproofing.
And again prying open the end with a small flat bar allows the pieces to overlap cleanly.
Overlap two pieces of flashing that meet end to end by at least 1 inch.
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.
Learn more about drip edge at.
Space the fasteners by about 12 inches.
Nail high up on the drip edge so that the shingles will cover the nails.
Let s face it many homeowners may not be aware of what a roof drip edge actually is or what it does for a roof and if they are aware they may be talked out of installing it because of cost factors involved with roof replacement or repairs.
Secure the drip edge with roofing cement.
The drip edge is nailed in place using 1 1 2 galvanized roofing nails.
How to install a drip edge.
The problem is that a drip edge is technically supposed to be part of any shingle roof manufacturer s installation instructions and the process is.
Owens corning roofing recommends installing drip edge on all roofs to be covered with asphalt shingles.
Make sure the outer edge extends over the gutter.
Ideally you d nail about every 12 inches and in no circumstances should you have 16 inches or more between nails.
Nail the drip edge to the roof deck with minimum 12 gage roofing nails spaced 8 to 10 inches on center and 1 to 3 inches from the edge of the sheathing.
After that shingling should proceed normally fitting each course up against the bottom of an existing course.
Use roofing nails to secure the drip edge.
Use 1 inch galvanized roofing nails or 3 4 inch exterior screws.
The drip edge should be installed on top of the underlayment at all rakes and below the underlayment at all eaves alternative installation in the florida building code.
If it doesn t pull the drip edge out slightly from under the shingles.