GAF requires non-corroding metal drip edges at the eaves where a Silver Pledge® or Golden Pledge® Limited Warranty is sought. As a matter of good roofing practice, however, GAF strongly recommends that drip edges be installed at the rakes and eaves on all GAF shingle roofs.
Is drip edge mandatory?
The IRC now requires a drip edge for all asphalt roof installations and provides direction for its proper installation. Underlayment must lap over the drip edge at the eaves. At the rake edges (the sloped edges that are referred to as “gables” in the code text), the drip edge must be installed over the underlayment.
Do shingles have to overhang drip edge?
Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.
Do you need drip edge on flat roof?
Drip edge is not necessary in most flat roof installations. During ice storms, drip edge protects roof line during ice dams that can occur during the winter months. At the bottom of the roof, the edge helps gutters direct water away from your house and foundation.Do all roofs have a drip edge?
The 2012 International Building Code (IBC) requires drip edges for that type of roof. Regardless of the kind of roof you have, we highly recommend installing drip edges. Keep in mind that improper installation of any roofing component can create gaps, rendering any waterproofing solution useless.
Why is drip edge important?
Drip edge is metal flashing installed at the edges of the roof to keep water away from your fascia and from getting underneath your roofing components. If your roof doesn’t have drip edge, water gets behind your gutters and rots out both your fascia board and roof decking.
Does drip edge go 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. This lets any water that gets on the roof run down the underlayment and over the drip edge.
Does underlayment go under drip edge?
According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof. But over the underlayment along the rake edges of the roof. Understanding the proper way to install the drip edge will only get you so far.Should drip edge be tight to fascia?
A vertical drip edge lip extends down roughly 1 5/8″ and as Steve points out, should not be set tight against the fascia board or water may run behind the gutter and down the fascia, inviting leaks and rot.
What size drip edge should I use?Metal Edge Drip: A drip edge has to be resistant to possible corrosion and should be 36 gauge or larger.
Article first time published onDo you need drip edge on gable ends?
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 a roof need an overhang?
A roof overhang is an essential part of your roofing system to protect your house. If you are simply adding function and protection, or if you want to incorporate a new style to update the exterior of your home, a new roof overhang is a good idea.
How much should a starter overhang for shingles?
Starter shingles should always overhang the eave and rake edges of the roof by about 1/4″-3/4″ to ensure adequate rain water drainage. It is also important that the seal strip is placed facing up and close to the edge of your roof; otherwise, your roofing system won’t seal properly.
Do you have to remove the plastic strip on shingles?
The GAF shingle application instructions for our entire product line specifically state that that film does not need to be removed. Note: The film strips on the back of each shingle are to prevent sticking together of the shingles while in the bundle. Their removal is NOT required during application.
Can you replace drip edge without removing shingles?
The drip edge is often replaced when new shingles are installed, but it can be replaced at any time. Asphalt roof shingles can become brittle in cold weather, so wait until a warm (but not hot) day to remove and replace eave stripping.
Is gutter apron the same as drip edge?
A gutter apron serves the same purpose as a drip edge. … The most obvious attribute that distinguishes a gutter apron from a drip edge is the fact that a gutter apron is more of an L-shaped metal rather than a T. A gutter apron also comes in metal strips with aluminum and steel sheets.
How much should shingles overlap drip edge?
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.
Does metal roof need drip edge?
A drip edge is not needed for metal roofing. If you make sure to overhang your metal roofing at least an inch, the drip edge is not necessary at the eaves and rakes. If the metal roof is hanging over an inch, the water will be directed away from the fascia anyway if at a slant.
What is the difference between drip edge and drip cap?
Drip cap is similar, sitting on top of doors and windows. A drip cap directs water away from house the same way drip edge does. Often made from wood, drip caps can rot which is why you might need to buy a replacement like the aluminum drip cap below.
Does drip edge need to be replaced?
Drip edge is the metal flashing that’s installed at the edges of the roof to help control the flow of water away from your fascia and other roofing components. The drip edge has to be replaced when you get a new asphalt roof.
Should fascia be screwed or nailed?
Replacement fascia requires 4d galvanized casing nails. … Hometime.com recommends using screws instead of nails when replacing fascia to avoid jarring the existing framing with hammering.
Can I nail drip edge to fascia?
Slide the corner tight to the fascia. Make sure the corner is tight, and that the bottom edge is tight to the fascia before nailing off the drip edge. Place a nail at one end, then the other. You may need to nail through the starter strip into the drip edge.
Does roofing felt go under or over drip edge?
1 Answer. It depends on where the drip edge is. At the side, or gabels, of a roof, the drip edge goes over the roofing felt. At the bottom of the roof, the drip edge goes under the roofing felt.
Does drip edge go on rakes and eaves?
A drip edge should be installed on the eaves and rakes of the roof, flush with the decking and fascia. On eaves, the drip edge is installed directly to the deck with underlayment installed over it for proper water shedding. On rakes, the underlayment is installed over the drip edge.
How far can a roof overhang without support?
Two feet is the general maximum length for a typical roof overhang. This will protect a roof from most types of damage. Roof overhangs can extend farther than 2 feet, but beyond this length, they begin to lose structural integrity and require external support.
How far should a roof overhang?
Overhangs can vary from a few inches to a few feet depending on preference; however, the suggested width of an overhang is between 12” and 18” for eaves and no more than 8” for rakes. That said, overhangs can extend as far as 2′ without the need for external supports.
How big should overhang be?
A typical overhang for a comfortable seating area should be around 25-30cm (10-12”), this should leave enough knee room and adequate space between the countertop edge and the person seated.
