Measure the size of your roof in square feet. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. Overlay a second layer of felt 2 to 3 inches and fasten it through the overlay so it secures the top of the felt underneath. They may or not allow staple roofing felt. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. Sometimes homeowners put in new nails when trying to attach something on the roof. The overhang to the next strip should be 3/8 inch. 316 nails have elements of nickel, polymer and chromium . Divided by 432 for 15-pound felt or 216 for 30-pound felt and round up for full rolls for this roof theyll be lots of leftover from one roll for the next project. Rolled roofing (or roll roofing)also known as MSRcomes in rolls of 100 square feet. Installing a roof is much more than just nailing shingles onto some boards. Consider other underlayment options as needed, such as rubber or tar products. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. Many factors have influenced the shift from using felt nails in modern times. Roofing felt is commonly used between roof deck sheathing and roof shingles. So if youre on a budget, staples may be the way to go. Fortunately, galvanized roofing nails and steel nails pass the building code test. Use the nails with or without plastic caps. Roof Felt Underlayment to Protect Your Home From the Elements Installing the roofing felt does take care, but can go very quickly. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. Before applying roofing, you'll need to cover the sheathing with roofing felt, also often called "tar paper." Most local codes call for using 30-pound felt. Add 10% to the shingle estimate to account for waste. Nail guns are pretty easy to use as there is no risk of an incorrect installation even if the gun is not held in the correct position. The added depth that roofing nails provide makes them less likely to come loose over time. They have a square-shaped head, instead of the more typical circular head you see on other nails. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. Some roofing felts are actually glued down. Measure the width and height of each section separately. Used for fastening roofing felt for waterproofing or roofing tiles to metal. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. For asphalt shingle nails, a galvanized roofing nail with at least 12 gauge shank and head diameter 3/8 inch, while the stapler requires a 16 gauge staple gun. Before securing the end of a row, take time to walk the row, smoothing out any rough spots and matching up the snapped chalk lines. Not only is it tedious to yank these nails out, but their zinc coating will also be worn. They are the most basic type of roofing nail and cheaper than the other two options. Roofing felt isnt designed to be left exposed to the elements. Use stainless steel to T50 staples or 12-gauge shank 7/8 to 1-1/2 hot-dipped galvanized or aluminum roofing nails with a 3/8 head diameter. Ideally, the roof should be done when there is a forecast for several days without a lot of rain. There are two ways to measure the size of a roofing nail diameter and length. For irregularly shaped roofs, break it down into smaller rectangles or triangles to calculate the areas. The steps are pretty much the same whether its a big roof or a small one. Installing roof felt is a two-person job. The next step is to cap the ridge. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. This is How Far Apart Should Newel Posts Be! Drip edges on the eaves, any valley liners and all flashing should be installed before the tar paper is laid. Begin the next course from the edge just cut, moving up to the next chalk line. The variation in the lengths of the T50 staples entirely depends on the thickness of the felt and the density of the wood beneath it. For the lower . Head: flat round. Penetration. How to Install Owens Corning Roll Roofing, How to Install Ridge Caps for Metal Roofing, Home Building Mentor: How to Install Roof Felt, Warrior Roofing: Roofing Felt Installation Instructions, How to clean a showerhead, according to an expert, How to Put Rigid Foam Insulation on the Roof Before Putting on Shingles. Roofing felt is a type of underlayment that professionals install beneath a roofs shingles. This article will tell you how to install, Read More Roof Sheathing Horizontal Or Vertical (Must Read)Continue, Its one thing to decide on anchoring Newel posts to the foot of your stairs and another to know the right distance, Read More This is How Far Apart Should Newel Posts Be!Continue, Plywood is a type of wood made from several stacks of other woods. Use the nails with or without plastic caps. Ensure theyre long enough to penetrate through the felt and the roof decking. A roof certification is a significant component of the overall roof maintenance management and significantly benefits homeowners. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. Rolled Roofing Basics. When nailing shingles, proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. A tape measure and chalk line are needed for snapping the guidelines on the roof. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. By the end of your read, you should know how to install felt underlayment for asphalt shingles. The length of nail you use depends on the thickness of the sheathing and shingles you use. Nevertheless, the proper thing to do is always to check the requirements of your local building authority before starting or embarking on a building project. Align this layer with the bottom of the roof; snap a chalk line the length of the roof, spaced to the width of the felt roll, to aid in keeping layers straight. If you take the time to properly prepare the roof, then laying the felt will be easy. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. You may prefer to use copper roofing nails on a roof with other copper accents. Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the decking. The quality of the material used is also an important consideration. Corrosion resistant to ensure they last over time, and for use where strong joints are required. Have a helper ready to assist with this step, and take care to get the lines straight and clean. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. Roofers tend to use the roofing nails they already have on hand to install flashing. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. Also, when installing ridge and hip shingles, youll need nails that are about a half an inch longer, as they need to penetrate more shingle layers. Construction stapler or plastic washer nails. However, a roofing air nailer or air plasti-cap nailer are almost as quick. Heavier roll weight. The kind of nails youll use for your roofing felt will depend on the project youre working on. Pack Size. If you need to install new roof decking or OSB, youll need to nail it to the roof truss. Many manufacturers offer 10-year guarantees for felt. Trim the felt, so it is flush with the face of the drip edge. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. We'd recommend nailing from the centre of the edge of the sheet and working outwards. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Read More What Does A Roof Certification Cover? Avoid using cement on the roofing felt, especially if you plan to re-shingle the roof that day. Never mount the felt paper on wet sheathing. Factors such as type of fastener, accurate installation, placement, holding strength, and local building authority codes all influence why people choose nail or staple fastener for their roofing felt underlayment. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. (A Beginners Guide) DoneContinue, Roofing Felt Nails Or Staples? While all tar paper comes in rolls, you do have some control of what size roll you will purchase. A 2d nail is 1 inch long, for example, while a 16d nail is 3 1/2 inches long. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. Chalk lines should be snapped 33 5/8 above the eave line. Felt nails are usually made from galvanized steel, which is corrosion-resistant. Roofing felt nails are less visible than staples, which give your roof a neater appearance. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. Whatever the cause, its important to fix any nail pops in a roof to prevent damage. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. Valley, ridges and hips should have a 6 inch overlap of paper. You can learn more about the sizes of staples here. Whichever material you choose for your nails, remember that roofing nails are on the exterior of homes and therefore the outer surface needs to be corrosion-resistant. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. Fold the top part of the extended metal down so it is covered by the rake drip edge. It is represented by the letter d. Here is a handy chart to help you find the right size of roofing nails if they are only listed in penny length. Use a construction stapler or a hammer. Most roofing installation processes include attaching roofing felt ( roofing underlayment or tar paper) to the roof deck as recommended by the National Roofing Contractors Association (NRCA). (Follow Correct Way)Continue. Type 316 Stainless Steel Nails - These are what you should be using on any new roof build involving an exterior wood product. Measure up the roof and snap chalk lines where the upper edge of each course will go. Step 4 Prepare for the Shingle Installation Fasten panels with a minimum of 8d Common (0.131-inch by 2-1/2-inch) nails spaced a maximum of 6 inches on center at supported panel ends and edges. (on center) on both head and end laps. Roofing felt underlayment before installation often corresponds with the local building codes and makes it easier to keep insects, vectors, and even dust particles away from the building. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. If the guide was helpful, please share it with others. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. This can be done prior to tacking or afterward. One of the most significant advantages of using a roofing nail is that it creates a stronger bond than a roofing staple on the roof decking. So, choose these nails where performance, especially wind resistance, is a priority. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. Roofing staples have a broad, flat head that helps to keep them in place and prevent them from pulling through the roofing material. Clout nails should be 15mm large head clout nails. Aluminum nails are more prone to corrosion, as well as chemical and salt damage, than steel nails. The head diameter is typically a standard 3/8-inch for all roofing nails. of the face of the lower-course shingle on the other side of the corner. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. Replace any damaged decking and sweep the deck clean of sawdust and debris. On the other hand, Roof nails have a more substantial and extended holding strength. This way, you can avoid making multiple trips to the store for more supplies. Give it the essential venting. Roofing nails are a type of nail that is made specifically for use in the installation of the different parts of the roof, like the roofing felt, the shingles, sheet metal, flashing, or roof tiles. Limited time deal. This is essential in windy conditions or in areas that experience severe weather conditions. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. Ultimately, it is best to refer to your building codes and roofing manufacturer for more specific guidance. The cost of your roofing nails will depend on a few factors, including material, type and length. Felt nails are less visible than staples. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. But, as with so many other projects, the key lies in the prep work. The average roll of 15-pound roofing felt covers about 400 ft2, or 4 squares, while the average roll of 30-pound roofing felt covers about 200 ft2, or 2 squares. This goes a long way to bring to light how durable nail roofs are. If you are not sure what size of nails to use for your project, you can always consult the building department in . Different roof slopes require different protection for asphalt shingles. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. . The differences between the stable and nails are visible. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. Steel makes for strong nails. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. On shallow sloped roof, we would suggest the overlap is increased to 75mm. Add more felt if required These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof. Well walk you through the types, sizes and materials you may choose from when picking a roofing nail. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. This will help keep any moisture from getting under the felt. Install the drip edge to the eaves (the lower edge of the roof) prior to rolling out the felt, or slide it under the felt underlay and over the fascia. This is because the nails are small and blend in with the paper backing of the roll. Check the requirements for the roofing material that will go over the felt. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. However, aluminum nails are still used on asphalt shingle roofing by some roofers. Tack it in place at the corner, with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof deck, over the drip edge. I will also need to overlap the felt, how much overlap should I use? You may want to wear work gloves to avoid injuring your hand or developing blisters. One of the essential factors is selecting a suitable fastener! Divide the total footage by 100 to determine the number of "squares" in the roof. Finished Product We'd love to see how your project to replace roofing felt turned out! Jewelry Box Felt Liner, A4 Size (8.3" x 11.8", Black) 4.6 out of 5 stars 2,348. The sooner it is protected by shingles, the better. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Mold and mildew will result and you could wind up having to rip off the roof and install a new one. This is because the staples are smaller and have a smaller head, which means they pierce the shingle less. If you live in an area with high humidity, you may need to replace your staples more often. You should use 12-gauge or thicker. Roofing nail lengths are available in one to two inches. This is because a roofing nail has high holding power, unlike its counterpart. 1. Specifically, youll need roofing cap nails. Plastic Round Cap Roofing Nail (3,000-Pack) 3.7k (161) Questions & Answers (18) Hover Image to Zoom share Share print Print $ 19 92 For use with housewrap, sheathing, and roofing felt Wide head for superior holding power Ring or spiral shanked for greater holding power View More Details Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. The gasket is rubber, not plastic. Its working rate is prolonged but heavyweight, making work tiring. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. Eugene has been a DIY enthusiast for most of his life and loves being creative while inspiring creativity in others. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . IKO assumes no responsibility for errors that may appear on this website. What Size Staples Required for 30lb Felt? Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. Multiplied by 1.10 is 2112sqft. It sheds precipitation while awaiting shingles, protects the shingles from resins and glues leaching from the decking, and acts as a second line of defense against moisture. The reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas. Heavyweight asphalt shingles commonly have a longer service life. IKO manufactures products for specific areas in North America. ONLY USE 1 diameter plastic cap roofing nails. Besides, the type of underlayment used for roofing material is not much to bother because they are held mainly by many layers of shingles that weigh higher above the roofing felt underlayment itself. As a result, most local building authorities have banned staples for roofing. Otherwise, all new nails should be inserted so that they are covered by the shingle above them. Sheradised Square Twist Nails are invalueable when working with timber construction. Nail the felt in using 0.59 inch (15 mm) galvanized clout nails. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. Roofing Felt that exceeds the scuffed area by 6" (152 mm) The information on this website is subject to change without notice. The number of nails youll need for your roofing felt will depend on a few factors. In high-wind areas, more fasteners may be required. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. For steel, this means stainless steel or galvanized steel. A greater overlap provides more protection but may cause problems with spacing and fastening upper courses relative to sheathing seams. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. The manufacturing process of felt nails is more complex than staples. Common nails, or even wood screws, may be acceptable nails for OSB roof sheathing. To ensure complete satisfaction you should make final color selections from several full size shingles and view a sample of the product installed on a home. Follow manufacturers instructions when choosing nails. You may find roofing nails identified by their penny length. Pressure-treated wood, Read More Pressure Treated Lumber For Roof Rafters (Lets See)Continue, As a homeowner, the various components of a roof are often vague, which might become a hindrance if you encounter roof problems, Read More Roof Eave Vs. Rake (In-Depth Comparison)Continue, Roof sheathing is one of the most common and significant parts of a building. The heavy-duty felt or paper is saturated or coated with bitumen. Nail shank diameter should be at least 11-12 gauge for roofs. Staples are used with a variety of roofing materials. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. (Must Read This). Unroll the felt on the roof deck or ground, measure the width, and cut. So in terms of quantity, a roofing roll is about the size of one composite . First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. When the shingles are installed the felt is not going anywhere. All nails and staples should be placed on the lower half of the paper. This is because they are faster and easier to install than nails. 1. Roofing felt products should not be glued to the decking in lieu of using nails or screws. Start the roof felt at one bottom corner of the roof. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. FREE delivery Tue, Feb 21 on $25 of items shipped by . As you work, the paper can be tacked down in the center so it wont blow away. Each run of shed felt should overlap the next by at least 7.5cm. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. To install roofing felt, you need nails that have very wide heads to keep the felt . Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. To determine how much felt is required for a roof, find the area of the roof deck to be covered. You want roofing nails with plastic washers for roof underlayment. Not only is this roll affordable, it's also slip-resistant. Staples are also not as durable as nails and are more likely to come loose in high winds. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. Double that value and you have the full roof area. The roof leg has one to three ridges to slow moisture movement, the smooth vertical leg sheds water, and the kick-out pushes it away from the facia. To protect the rake or gable ends from wind-driven moisture, the drip edge is placed over the underlayment to seal it down to the deck. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. The roof decking should be completely clean and dry. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". The first course commonly extends past the lower edge of the sheathing by 1/2 or to cover the drip edge. They are also less likely to leave behind unsightly marks on your top. As its many names suggest, this type of nail has rings along the shank. What Type of Nails for Felt/Underlayment? Repeat as necessary. The head diameter is typically a standard 3/8-inch for all roofing nails. Do the other side of the roof the same way, also with an overlap at the peak. Specification Material: carbon steel, stainless steel, aluminum, copper. Also note that nails are sold by the pound, and if youre a professional roofer, it may benefit you to buy in bulk in order to reduce costs. In addition, the manufacturer's instructions should indicate which side of the roofing felt goes down if that matters for the specific product. As always, your comments and suggestions are appreciated. The most pronounced advantage of the staple over the nail is that roofing staple guns can install four staples at once while nail guns can not. Qualities such as good waterproof ability even in every kind of weather, especially in areas with very high wind and a tendency for wind-influenced rain. However, felt nails edge out staples in terms of cost, hold, durability, and quality. Other Materials They can also be unsightly if they rust or break over time. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. These applications are ideal for flat roofs or protective surfaces under roof-level decks. The most common shingle roofing nail size is 3/8 inch diameter with a 1-1/2 or 2-inch length. For most homeowners, aesthetics are essential when choosing a fastening system. The T-50s are compatible with most brands of staple guns or hammers. Consult your local building department for specific nailing applications. The penny system is an old way of classifying nails. Check the weather. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. The standard size for roofing felt paper is categorized into four. This is because the nails are made of a stronger material that can withstand more wear and tear. The standard size for roofing felt paper is categorized into four. Smooth application of the roofing paper will help you achieve a smooth installation of the shingles. However, most roofers prefer staples because they are less expensive, have outstanding holding power, and enable roofers to work faster by covering an extensive space with their compact collection.