
Instructions
- Apply and Attach the Drip Edge Apply the drip edge to the eave. ...
- Overlap and Cut the Drip Edges Where the drip-edge pieces meet, overlap them by at least 2 inches. ...
- Align the Felt ...
- Roll Out the WSU ...
- Apply the WSU at a Valley ...
- Stay Parallel ...
- Apply the Felt ...
- Attach Where the Roof Meets Wall ...
Does drip edge go over the felt paper on the roof?
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 Does Drip Edge Go Over The Felt Paper On The Rake Edges Of The Roof?
Where do you put drip edge on a roof?
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.
How do you attach tar paper to a drip edge?
Lay the first course of tar paper lengthwise on the roof so one edge is covering the drip edge nailed to the roof. Unroll the paper on the roof and cut it to the correct length with a utility knife.
Where do you put Felt paper on roof shingles?
This can be on either the eaves or rake edge of the roof. Felt paper is made of a combination of asphalt and either paper or rags. This paper is applied underneath the shingles and over the wooden decking of the roof to protect the wood from the elements and prevent rotting and leaks.

Does felt paper go over or under drip edge?
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.
Do you put drip edge on first or tar paper?
2:298:22Roofing - Does Drip Edge go Under or Over Underlayment or Tarpaper at ...YouTubeStart of suggested clipEnd of suggested clipHere it is underlayment shall be installed over drip edges along eaves drip edges shall be installedMoreHere it is underlayment shall be installed over drip edges along eaves drip edges shall be installed over underlayment along rake edges drip edges shall be mechanically fastened 12 inches on center.
How do you install drip edge and underlayment?
0:226:13How to install Drip Edges, Eave Protection & Underlayment - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe start with the drip edge traditionally the drip edge is installed beneath the ice. And waterMoreWe start with the drip edge traditionally the drip edge is installed beneath the ice. And water protector at the eve to provide overlapped.
Does drip edge go on top of ice and water shield?
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.)
Which side of felt paper goes down?
Is there a top or bottom on felt paper? It has to go rougher side up, but there is no specific top or bottom. Make sure the felt placed higher up overlaps the lower piece.
What is the proper way to install drip edge?
2:576:49How To Install Drip Edge On A Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipOver this drip edge right to the corner. And as you can see it sticks out a little bit. So what you'MoreOver this drip edge right to the corner. And as you can see it sticks out a little bit. So what you're going to want to do is you're going to want to cut this end back and tuck it around the corner.
Do you nail or staple drip edge?
On the rakes, the drip edge goes over the membrane, so the roofers apply the membrane first. The drip edge is nailed in place using 1-1/2 galvanized roofing nails.
How far should shingles hang over 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.
Do you put felt paper over ice and water shield?
The quick answer is yes, roofing felt does get installed over ice and water shield.
Does drip edge go all the way around the 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.
Do you install the drip edge first?
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 tar paper go over ice and water shield?
Ice and water shield need to be installed before other underlayments, including roofing felt. Tar paper compared to ice and water shield do not stick to anything, whereas ice and water shields are a rubberized membrane that is very sticky to create a waterproof barrier to standing water if installed correctly.
Where does the nail drip edge go?
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.
Do you put tar paper under shingles?
Answer: Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. Felt, otherwise known as underpayment, is required when asphalt shingles are installed as a first layer of roofing or when they are applied over wood shingles or a built-up roof.
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.
What does a drip edge do on a roof?
When placed on the eaves side of a roof, the drip edge will prevent capillary action water damage caused by surface tension. When placed on the rakes’ side, it protects the sheathing from wind driven (or forced) rain blowing back into the sheathing.
How far away should drip edge be from fascia board?
The vertical leg would extend down into the gutters and not have any face nails or screws. It would be spaced 1/2” away from the fascia board and be supported by 1/2” furring strips.
How far should shingles hang over a drip edge?
However, when permitted it is best to have the roof shingles hang over the drip edge by a minimum of 1/4” and a maximum of 3/4”. When combined with the drip edge spacing, the shingles will clear the fascia by 3/4″ – 1 1/4″ total. Remember that every region, city, or local may have slightly different requirements.
What happens if you don't have a drip edge?
In worse cases, a leak will develop in the ceiling or along the walls.
What is the benefit of drip edge?
Another benefit that wasn’t intended but has been a useful outcome from installing a drip edge is that it prevents rodents, squirrels, and birds from being able to access the attic space via the builder’s gap. If you have ever had a family of squirrels living in your attic, you can appreciate this extra bonus.
How to make an inside corner turn?
Inside Corner Cuts. To make the inside corner turns, you will need to create an overlap that meets at the interior of the corner. That means that you will make cuts at the ends of two sections of drip edging and overlap the two at the juncture.
Does drip edge flashing protect fascia board?
Although it is not the intention , drip edge flashing will also provide protection for the fascia board. Because the drip edge directs the water directly down and into the gutters, the back of the fascia is protected from excessive moisture. This helps to extend the life of the wood.
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.
How much does felt paper cost?
If you are having to replace any or all of the roof boards, you will have to lay down new felt paper. Felt paper usually will cost right around $4.00 per square foot for basic quality felt paper. Premium quality felt paper will run you about $5.55 per square foot.
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.
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.
Where should drip edge be installed?
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. It is much more important to understand ...
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 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.
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.
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.
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.
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.
How to put paper around vent pipe?
Paper can be fitted around vent pipes by cutting a slit and then putting it over the pipe.
How many inches should you staple a paper roll?
The paper should then be nailed in or stapled every three to four inches across. All nails and staples should be placed on the lower half of the paper. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. Valley, ridges and hips should have a 6 inch overlap of paper.
What is the best way to keep a roof watertight?
Dry sheathing and felt paper also help ensure a watertight roof in severe climates. Strips should always lay flat. Uneven strips and wrinkles can allow dust, moisture and mold to develop. Sheathing that gets wet before the roofing material can go on should be allowed to dry thoroughly before continuing.
What tools are needed to snap a roof?
Tools and Supplies. A tape measure and chalk line are needed for snapping the guidelines on the roof. Two or more people are required to help roll out and straighten the paper during the process. A nail gun can be used to quickly install some nails to the roofing paper won’t slide around.
How far should chalk lines be snapped?
Chalk lines should be snapped 33 5/8” above the eave line. After this, lines should be snapped every 34” as you move up the roof. Have a helper ready to assist with this step, and take care to get the lines straight and clean.
Can you lay felt under a roof?
Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. But, as with so many other projects, the key lies in the prep work. If you take the time to properly prepare the roof, then laying the felt will be easy. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. Of course, if you find yourself overwhelmed by the planning, preparation, or execution, you can reach out to professionals in your area.
