If the drip edge is along the eaves
Eaves
The eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The eaves form an overhang to throw water clear of the walls and may be highly decorated as part of an architectural style; such as the Chinese dougong bracket syst…
Does drip edge go over or under felt?
Does Drip Edge Go Over or Under Felt? 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.
Can drip edge be installed above or below the underlayment?
Some codes like those in Florida say that drip edge can be installed either over or below the underlayment. If it is installed above the underlayment, then they also require a 4-inch wide layer of roof cement to be applied on top of the drip edge. That way water cannot flow underneath the drip edge. What is an Eave?
How do you install drip edge on a roof?
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.
Why do you need drip edge gutters?
When a home has gutters, it helps direct water from the roof into the gutters. Drip edge helps to protect the roof from forming leaks over time by protecting the roof from wind and water exposure. The extended protection that drip edge provides to your roof means fewer repairs and a longer life for your roof.
Why Should the Drip Edge be Installed Underneath the Underlayment Along the Eaves of the Roof?
What happens if you don't install drip edge?
What are the Purposes of Drip Edge?
Why do you need a drip edge on a roof?
How far should drip edges overlap?
What is drip edge made of?
How many types of drip edge?
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Does drip edge go over or under roofing paper?
0:198:22Roofing - Does Drip Edge go Under or Over Underlayment or Tarpaper at ...YouTubeStart of suggested clipEnd of suggested clipAnd was getting some comments saying that I was doing it wrong this is the way we do it and we haveMoreAnd was getting some comments saying that I was doing it wrong this is the way we do it and we have always done it this way for at least the last 30 years that I can remember. And even back tin roofs
Should ice and water Shield go over or under drip edge?
Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. (The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges.)
Where does the drip edge go?
The correct placement of a roof drip edge is on top of the roof's exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.
How should drip edge be installed?
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 do you install drip edge and underlayment?
4:2510:52How to Install Roof Underlay, Drip Edge, & Shingles - YouTubeYouTubeStart of suggested clipEnd of suggested clipOr your drip edge that you get for where to put it I think the code that I had to follow was you putMoreOr your drip edge that you get for where to put it I think the code that I had to follow was you put the the drip edge down first the underlay on top of it and then on the sides.
Do you put underlayment over ice and water shield?
They tell you what to use for underlayment, including their proprietary version of “Ice & Water Shield” called WeatherWatch and StormGuard. Please note that they require an underlayment over their I&W shield. 2) So you have a problem 5 years after you've installed your 30 year roof...
Does drip edge go below tar paper?
If the drip edge is going on to the eaves of the roof, you would position it under the felt paper. When the drip edge is being installed along the rake edges, it would be placed over the drip edge. This is done to ensure water runs off the roof smoothly and to protect the decking from exposure to the elements.
Are shingles supposed to overhang drip edge?
Shingles should be installed over the drip edge a minimum of 3/8” (9 mm) at both the eave edge and the rake edge. If the drip edge extends… out from the rakes and eaves (typically called DL Style or D Type), the shingles may be installed flush with the drip edge.
Should drip edge be tight to fascia?
A metal drip edge will help protect the sheathing under the roof, but if it's installed too closely to the fascia board, it can still cause water to be drawn into the fascia. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger.
How far do you overlap drip edge?
¼ to ¾-inchAdjacent drip edge pieces should be lapped minimum 2 inches. 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.
Does drip edge go on rakes and eaves?
It's important to understand that drip edge installation is different for eaves and rakes. After your roof deck has been prepared, and before you install underlayment, you need to install drip edges at the eaves. You install drip edges on the rakes after you install the underlayment.
What are the 2 types of drip edge?
5 Types of Drip Edges on Metal FlashingsGutter apron.Rake edge flashing.Gravel stop.Chimney caps.Coping.
Where does ice and water shield go?
It's crucial to have ice and water shield installed on/around certain areas of your roof, like roof valleys, around penetrations, and on roofs that have a 2/12, 3/12, or 4/12 pitch. Because of its importance, every roof needs to have it. There's also a code if you live in an area above the snow line in the US.
Does tar paper go under drip edge?
The drip edge should be over the paper at the eaves, and under along the rake. mroberson: Its a TRAP! Back in my construction days, I learned that you place the tar paper OVER the drip edge on the eaves so if moisture gets through the shingles, it does not get under the drip edge.
What goes first or drip edge?
It's important to understand that drip edge installation is different for eaves and rakes. After your roof deck has been prepared, and before you install underlayment, you need to install drip edges at the eaves. You install drip edges on the rakes after you install the underlayment.
Does drip edge prevent ice dams?
Drip Edge can prevent water from backing up under the last shingle. Ice and Water Shield - Ice and Water shield is self-adhering rubberized layer of material that is fully water proof. To prevent damage from an ice dam, I&W shield can be installed at the base of the roof along the eaves.
FELT: over or under drip edge? | DIY Home Improvement Forum
I'm building a playhouse for my kids... it's turning into a proper construction project. It has a sloped flat roof (about 25% of pitch). Question on roofing: the felt instructions maintain that the felt should be installed on top of the drip edge. Drip edge advice suggests it should be...
Where do you install drip edge in relation to underfelt paper?
Where do you install drip edge in relation to the underfelt paper? If the drip edge is along the eaves of the roof, it goes underneath the felt underlayment. When the drip edge is along the rake edges, it is placed over the felt paper underlayment. If you are not a professional, do not fret, as it isn’t too hard to grasp.
What happens if you put water under a drip edge?
Over time some water may work its way under the drip edge and get onto the wood underneath. This will cause your roof to start rotting, so be sure to place the drip edge underneath the felt paper on the eaves of the roof.
Why do gutters need drip edge?
When a home has gutters, it helps direct water from the roof into the gutters. Drip edge helps to protect the roof from forming leaks over time by protecting the roof from wind and water exposure. The extended protection that drip edge provides to your roof means fewer repairs and a longer life for your roof.
What happens if you don't have a drip edge on a rake?
Without the drip edge on the rake edge, the underlayment and wood decking would be exposed to the elements. On top of rotting, this exposure will also cause your roof to leak.
What does the drip edge on a roof do?
By doing this, the drip edge will protect the would-be exposed side of the roof from windblown rain.
What is a 90 degree drip edge?
Standard 90 Degree Drip Edge. This is also referred to as Type C or L-Style Drip Edge. As the name suggests, this is the common type of drip edge and is in an L-shape at a 90-degree angle. This works perfectly for most standard roofing jobs. It is also the most affordable type and works great with gutters. This type of drip edge costs, on average, about $0.49 – $0.79 per foot.
Why is drip edge important?
Drip edge plays an important in extending the life of your roof. This includes: Keeps rain from blowing into the wood decking, which will cause rotting over time. Sends water that is running off the roof away from the fascia board and away from the building.
Where to Put the Drip Edge: Under of Over the Underlayment?
Your local building code is the controlling authority about installing a drip edge on a roof. Absent a building code in your area, the accepted method is to put the tar paper under the drip edge on the rakes and over the drip edge on the eaves. Consult with your roofing contractor about their methods of installing drip edges before starting a roofing project.
What is a Drip Edge?
Drip edge is a metal flashing installed along the eaves and rakes of your home. This metal flashing keeps rainwater from getting under your roofing components and from damaging the fascia of your home. Properly installed drip edge prevents wind-driven rain, snow, and ice from penetrating the shingles and underlayment.
Can I Reuse the Drip Edge that is on My Roof Now?
You should generally replace the old drip edge when a new roof is installed. Most building codes prohibit the use of used materials when replacing a roof. You certainly wouldn’t want used shingles or underlayment.
Are Drip Edges Required on a Roof?
The International Building Code mandates drip edge on all shingle roofs. The IBC is the model building code for construction around the world. However, local jurisdictions that adopt the IBC model building code often add variations or additional requirements to the local building codes. Some jurisdictions exempt certain parts of the IBC model codes.
Can ice and water shield be installed before drip edge?
Replies. "Grace, the manufacturer of Ice & Water Shield, advises that its peel-and-stick membrane should be installed before the drip edge. There are several reasons for this. If ice ever backs up from a clogged gutter, the ice can get under the drip edge and reach the plywood.
Can ice get under gutter edge?
If ice ever backs up from a clogged gutter, the ice can get under the drip edge and reach the plywood. If the Ice & Water Shield goes down first, the plywood is better protected. Also, if the galvanized drip edge ever rusts, it is easier to replace when reroofing if it is installed on top of the Ice & Water Shield.
What Happens if Roof Drip Edge is Improperly Placed or if Omitted Entirely?
Above my 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 runoff behind the gutter.
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 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").
Where to put furring strip on roof deck?
In the sketch above the furring strip is shown in blue. Nail thefurring strip to the fascia board near the fascia top - tight under any extending of roof decking (usually absent); the Drip edge will be installed 1/8" proud of (away or out from) the furring strip in best practice or may be installed tight against the furring strip (reduces the life of the furring strip by rot).
What happens if there is no gutter?
if there is no gutter, water leaves the edge and zooms out into space away from the building. . If there is a gutter, water leaving the lower roof edge is directed into the gutter, not behind it, not down building walls, not where we don't want it to go. The brown drip edge is properly installed and is doing its job.
How long is a drip?
Lengths of drip vary but typically it's sold in ten foot lengths (120").
Why Should the Drip Edge be Installed Underneath the Underlayment Along the Eaves of the Roof?
The reason why drip edge should be installed below the underlayment along the eaves of the roof is so that water does not get under the drip edge.
What happens if you don't install drip edge?
If not installed properly, you risk damaging the wood decking. In time, this may lead to rotting wood and roof leaks.
What are the Purposes of Drip Edge?
The main purpose of the drip edge is to direct the flow of water away from the fascia board and to help protect the rakes and eaves of your roof.
Why do you need a drip edge on a roof?
The main reason why most building codes require, and why most manufacturers recommend installing drip edge over the underlayment along the rake edges is to seal the edges of the roof and protect from wind-driven rain. By installing the drip edge over the underlayment, it closes off the edges of the underlayment preventing water from entering ...
How far should drip edges overlap?
But in general, the building codes for drip edges are: Adjacent pieces of drip edge should overlap at least 2-inches (51 mm). The drip edge should extend at least 2-inches on the roof.
What is drip edge made of?
Drip Edge is commonly made of steel that is galvanized or covered in a protective coating like galvalume or a painted finish. You may also find it made from other materials like aluminum, copper, or vinyl.
How many types of drip edge?
There are 3 types of drip edge with multiple names for the same thing. Listed in order of how common they are used the 3 types are: