How to install a drip edge.
Roofing drip edge instructions.
Gaf mastering the roof chapter 05 the drip edge is critical to provide a finished look and to add waterproofing.
Make sure the outer edge extends over the gutter.
The drip edge is nailed in place using 1 1 2 galvanized roofing nails.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
Nail high up on the drip edge so that the shingles will cover the nails.
When you place the next drip edge piece it should overlap the first by an inch.
Ask this old house general contractor tom silva demonstrates the importance of a properly installed drip edge subscribe to this old house.
Space the fasteners by about 12 inches.
Use 1 inch galvanized roofing nails or 3 4 inch exterior screws.
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.
See drip edge flashing for roofs next install a course of shingles cut down to 10 inches wide so they fit against the bottom edge of the existing third course this creates a new 3 inch first course.
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.
Use roofing nails to secure the drip edge.
After that shingling should proceed normally fitting each course up against the bottom of an existing course.
And again prying open the end with a small flat bar allows the pieces to overlap cleanly.
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.
A felt tip marker works great for marking cuts.
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.
Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.
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.
Overlap two pieces of flashing that meet end to end by at least 1 inch.
Learn more about drip edge at.
Ideally you d nail about every 12 inches and in no circumstances should you have 16 inches or more between nails.
