What size drip edge should I use?
Plant Factor
- 1.00 Ground covers, flower beds, evergreens, some perennials, small shrubs (under 4' tall), vines
- 0.85 Apples, cherries, walnuts
- 0.80 Mature shade trees (broadleaved trees)
- 0.75 Pecans, peaches, plums, pears, apricots, almonds
- 0.70 Native plants in semi-arid areas, some ornamental plants, large shrubs (over 4' tall)
What is the size of a drip edge?
Our sketch shows the most-common or "standard" dimensions of roof drip edge used in North America:
- Drip edge length: 10 ft.
- Drip edge width: 2 3/4"
- Drip edge height: 1 5/8"
- Drip edge lip extension: 1/2"
- Recommended drainage gap: 1/4" (approx) spaced off of the fascia board
- Minimum extension of drip edge up the roof decking: 2" [IRC R905]
- Minimum dripe edge end laps: 4", offset by at least 6 ft.
- Drip edge fastening interval: 12"
How much drip edge needed?
Drip edge length: 10 ft. Drip edge width: 2 3/4". Drip edge height: 1 5/8". Drip edge lip extension: 1/2". Recommended drainage gap: 1/4" (approx) spaced off of the fascia board. Minimum extension of drip edge up the roof decking: 2" [IRC R905] Minimum dripe edge end laps: 4", offset by at least 6 ft.
How much does it cost to install a drip edge?
This is a job best left to the roofing pros. However, if you choose to install drip edge yourself, you will save about $45 to $75 per hour on labor. This will leave you with a materials cost of $3 to $10 per 10 linear feet of drip edge. You will also need a tape measure, hammer, pencil, ladder, small roofing nails, and tin snips.
Can you extend the drip edge?
The Residential Asphalt Roofing Manual from ARMA (Asphalt Roofing Manufacturers Association) says that asphalt shingles may be cut flush with the drip-edge or extend 1/2 inch to 3/4 inch beyond the edge of the roof. Another factor in determining the overhang is whether strong winds are a problem in your area.
How far should drip edge extend into gutter?
How far should a drip edge be from fascia? The lower edge of a roof should extend beyond the fascia board by about 3/4 inch so that runoff drains into the gutters.
Does drip edge go around entire roof?
Drip edge is installed around the whole perimeter of the roof. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.
Should there be a gap between drip edge and fascia?
The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
How far should shingles overhang drip edge?
3/4”Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.
How do you overlap drip edge?
For proper water drainage, the drip edge on the rakes should always overlap the drip edge on the eaves. This works out correctly if you do the eaves first. Then, finish by installing the drip edge flashing on the rakes.Jan 24, 2020
How do you measure drip edge?
The drip edge metal is only used at the bottom edge of roofs - near the gutters. Measure the length and add 10% to find how much drip edge you will need. I have a roof that measures 2550 square feet. How many bundles of shingles do I need?
How far should drip edge be from fascia?
Drip edge height: 1 5/8" Drip edge lip extension: 1/2" Recommended drainage gap: 1/4" (approx) spaced off of the fascia board.
Do you have to remove gutters to install drip edge?
Ideally, gutters need to be removed during the roofing process. According to roofing experts, removing the gutters offers you a better understanding of the scope of potential problems with the roof. Also, with the gutters off, you can install the roof properly with drip edge flashings and seal the edges cleanly.Jun 17, 2021
Do you put drip edge on before tar paper?
Installing roof drip edge flashing properly 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.Sep 2, 2021
Does the gutter go behind the drip edge?
It is recommended that gutters are placed under or 'behind' the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.
Can you install drip edge after shingles?
The most popular time to install a drip edge is when new shingles are installed. However, the drip edge can be installed at any time. The materials involved include: a ladder, a flat pry bar, a hammer, tin snips, eave stripping, and galvanized roofing nails.Jan 22, 2020
Where Should Roof Drip Edge Flashing Be Placed ?
[Click to enlarge any image]Our illustration above shows proper placement of the roof drip edge atop the roof sheathing - before installation of ro...
What Happens If Roof Drip Edge Is Improperly Placed Or If Omitted entirely?
The photo below at left illustrates use of a site-built "drip edge" nailed tight against the fascia board, leaving a gap that in turn sends roof ru...
Installing Drip Edge on A New Roof Or Re-Roofing Job
[Click to enlarge any image]Our photo above illustrates several details of roof drip edge, eaves flashing, and gable end flashing at an asphalt-shi...
Roof Drip Edge Flashing Mistakes & Leaks
Below we illustrate an effort to add a second drip edge (white) below the original roof drip edge (brown) to correct a problem with water running b...
How deep is a drip edge?
Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2.5" wide and the vertical edge that directs roof runoff down and away is about 1.5" in depth. Lengths of drip vary but typically it's sold in ten foot lengths (120").
What is drip edge?
The drip edge also gives us a nice straight edge with which to align roof shingles, slates or other roofing material. Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2.5" wide and the vertical edge that directs roof runoff down and away is about 1.5" in depth.
Where should I install drip edge?
The drip edge should be installed on top of the underlayment at all rakes, and below or on top of the underlayment at the eaves. At the eaves, when installing the drip edge on top the underlayment, a 4-inch wide layer of asphalt roof cement (complying with the ASTM D4586, Type I or Type II) is required.
What is drip edge flashing?
Roof drip edge flashing serves multiple functions on a building, the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter.
How many ounces of drip edge?
When used as a drip edge, it should be a minimum of 0.69 mm or 20 ounces. While plastic, vinyl and fiberglass drip edges may also be available in your area, these materials are best suited for use in nonroofing applications, such as above doors and windows.
What is drip edge?
Drip edges are metal sheets, usually shaped like an “L,” installed at the edge of the roof. Also called drip edge flashing or D-metal, they serve a vital function by directing water away from the fascia and into the gutter. Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home.
What happens if you don't have a drip edge?
Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. Though your home may not have originally had a drip edge installed, drip edges are now required by most building codes across North America to protect homes from damage.
Does drip edge need to be off the edge of a roof?
Wind can easily push the water upwards before gravity pulls the water down. The drip edge needs to hang significantly off the edge of the roof and has two to four inches of lower flange to combat this.
Do you need to install drip edges on a rake?
You install drip edges on the rakes after you install the underlayment.
What is drip edge?
The first thing to know about drip edge is what it actually is and where it’s located on your roof.
The building code that requires drip edge
Building codes ensure your home and roof are in compliance with your state’s requirements to pass a home inspection. One of the most important codes has to do with drip edge.
The cost of drip edge
Drip edge is always going to be included in your roof replacement. Because of this, it’s going to have an impact on the price you’ll pay for your new roof .
Learn the rest of the important roofing materials
Now you know what drip edge on your roof is, why you need it, and more. Remember, not only is drip edge a crucial roofing component, but it’s a code that home inspectors look for.
