Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. The RSRS designation indicates the fastener is a ring shank roof sheathing nail. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. The overhang to the next strip should be 3/8 inch. Galvanized nails are also available in a variety of lengths and sizes. The roofing felt should be applied in layers that overlap. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . But at the same time, you have a lot of jams on the felt paper while working with nail guns, roofers who use staples any form of jam. Step 4 Prepare for the Shingle Installation It is available in rolls of 15 and 30-pounds per hundred square feet. Its always better to have too many nails to nail shingles than not enough. 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). [4] 4. Use galvanised clout nails to nail the first sheet of felt onto the roof. In terms of durability, felt nails are more durable than staples. Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. Thicker and stronger than other organic underlayments, #30 Asphalt Saturated Underlayment paper offers superior tear strength and more secure footing for roofers, especially in steep-roof applications. 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. You may prefer to use copper roofing nails on a roof with other copper accents. They are called 8d common nails or 8-penny nails and can be round-headed, sharp-pointed 11-gauge galvanized steel or the equivalent corrosion-resistant roofing nails. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. Sheradised Square Twist Nails are invalueable when working with timber construction. A 36x72 roll covers 216sqft, weighs about 32-pounds, and has printed lines at 2, 4 and 17 for easier placement of upper courses and shingles. 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. The cap nail shank shall be not less than 0.083 inch for ring shank cap nails and 0.091 inch for smooth shank cap nails. Package Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. Similarly, 19/32 OSB roof sheathing would be 8d common, box or casing nails at 6 on center at the panel edges and 12 on center in the field OR 2 16 gage staples at 4 on center at the panel edges and 8 on center in the field. Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. This goes a long way to bring to light how durable nail roofs are. You want roofing nails with plastic washers for roof underlayment. Choosing longer rolls will allow you to cover more roof surface with fewer seams. And while they may seem pretty straightforward, there are various factors to consider when choosing the suitable roofing materials and methods for your project. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. Type 304 Stainless Steel Nails - These are the middle of the road and also only recommended for indoor use, as they are rust-resistant but not rust-proof. Thats a bad idea. The steps are pretty much the same whether its a big roof or a small one. This means they may lose over time, especially in high winds or severe weather conditions. Felt nails have a higher holding power compared to staples. Table R803.2.3.1 specifies the maximum fastener spacing based on framing specific gravity, exposure category, and wind speed. Use a utility knife or hook-bladed knife to cut the felt. Plywood Under Deck Boards! In normal wind zones the nails should be driven at 6.0 O.C. If youre estimating the cost of your nails, its best to head into your supplier and compare their prices yourself, as costs vary by location too. The most common width is 36", although they are sometimes available in other sizes. The length of each nail must be a minimum of 1 inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches. A roof felt is a moisture barrier made of natural and synthetic materials. Ultimately, it is best to refer to your building codes and roofing manufacturer for more specific guidance. As a bonus, roofing staplers are easy to handle and do not require many repairs. Start the roof felt at one bottom corner of the roof. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). A nail gun can be used to quickly install some nails to the roofing paper wont slide around. This is because staples are more likely to rust and break over time. This can cause your roof to leak. Staples are typically made from aluminum or other metals that are not as durable. The weight or thickness needed will vary by regions, but 15-pound suffices in most locales. This makes it 320 nails per square foot. Synthetic Roofing Felt, do not use nails or staples without caps. 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. One MSR roofing roll is usually about 36 feet long by 36 inches wide. While all tar paper comes in rolls, you do have some control of what size roll you will purchase. 15-pound roofing felt costs around $20 for just over 420 square feet. Nail the felt in using 0.59 inch (15 mm) galvanized clout nails. This can be done prior to tacking or afterward. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. It is versatile, strong, and affordable. In areas where you can use extreme weather conditions, such as wind-driven rain, ring shank copper nails to seal or resist strong winds blowing over the roofs. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. However, both fastening systems are durable and will last for many years with proper care and maintenance. The roofing nailers are designed for driving 12-gauge nails up to a depth of 1 inch whereas the framing nailer shoots large 16d nails to a depth of 3 inches. For slopes greater than 4/12 a single layer of felt is acceptable. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. Nails will also be required for any roofing project. Not only is this roll affordable, it's also slip-resistant. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. Copper nails are most often used on roofs with copper flashing and accessories. A typical roll of 15-pound felt is 36 wide and 144 long and covers 432sqft. 8D nails are considered standard for OSB roof sheathing materials. It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. 5 Energy Efficient Roofing Materials To Use. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your roof. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. well overall size is 15x8 and from ground to pitch of the roof it should not be more than 10 feet.I am thinking front 15 feet wide wall will have a higher side of roof and back 15 feet wall . If you live in an area with high humidity, you may need to replace your staples more often. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. This inarguably depends significantly on the type of nails used. If you are not sure what size of nails to use for your project, you can always consult the building department in . Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof. The ridge cap used on this roof . Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. Make sure to expose 5 in. This is because the nails are made of a stronger material that can withstand more wear and tear. We have the following; For galvanized roofing shingles, they make use of a 16 gauge shank. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. That is because the cement will take longer to dry, and when you remove it after it dries, you will cause damage to the roof. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). Tack or fasten roofing felt using stainless steel " to " T50 staples or 7/8" to 1-1/2" hot-dipped galvanized or aluminum 12-gauge shank roofing nails with a 3/8" head diameter. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. Square cap nails may have a smooth or coiled shank. 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. Roofing Nails Best Seller Grip-Rite #12 x 1 in. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. Add 10% to the shingle estimate to account for waste. In your building codes and international building codes, nails may be referenced as fasteners along with staples and screws. Divide the resulting area value by the area one roll of 15 or 30-pound felt will cover, and round up as its sold in full rolls. Cut it at the opposite gable edge, and roll out and staple the next course with the desired overlap. The sooner it is protected by shingles, the better. They install it by tacking one end, rolling it out, and centering it on the ridge. All of these methods could allow water through the roof. Bitumen is a waterproof mixture of coal-tar pitch or asphalt and other viscous and sticky organic liquids. Multiply the width by the height for the square footage of each section, then add the . They are also available in both hand-drive and pneumatic versions. So, with rounding, youll need 10 rolls of 15 pound felt or 20 rolls of 30-pound felt. Conclusion First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. The paper should then be nailed in or stapled every three to four inches across. 1 (19) 240 (1) 250 . They are easy to install and are unique in their work and functions. In most jurisdictions, building codes require using nails for roof shingles. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. In addition, nails are stable and allow roofers to get precise points when using them. Most roofers use four nails per shingle and five nails for each roofing felt square. In high-wind areas, more fasteners may be required. Staples also provide great finishing outlooks on your roofing or other building projects. Fasten the field area in the middle of the roll a minimum of 24 O.C. It is important to note that the nail and staple roofing felt have these outstanding qualities. But, as with so many other projects, the key lies in the prep work. Tack the next course or layer into place. Determine the bundles of shingles needed to cover the roof. Many factors have influenced the shift from using felt nails in modern times. Roofing felt isnt designed to be left exposed to the elements. Successive courses repeat the 19-inch overlap. Used for fastening roofing felt for waterproofing or roofing tiles to metal. Materials used to make the natural and synthetic underlayment include; wood cellulose, polyester, and fiberglass. Use a construction stapler or a hammer. Tags . Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it. The felt should be secured every six inches with nails or staples. Use with Dewalt DWTTH700 series, Stanley TRA700 series, or Arrow T-50 5/16, 3/8, or 1/2 staples. Heavyweight asphalt shingles commonly have a longer service life. However, a roofing air nailer or air plasti-cap nailer are almost as quick. Construction stapler or plastic washer nails. FREE delivery Tue, Feb 21 on $25 of items . Nevertheless, it is essential always to consult the products to see if the producers have a laid-down procedure of which of the two roofing options are best for their products and how you should use them. So if youre on a budget, staples may be the way to go. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Roofing nails with gaskets are intended for metal roofs. This can cause your roofing material to lift, making it more susceptible to damage in a storm. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. Use the nails with or without plastic caps. Pull the felt tight so that it lies flat and straight. Proper roofing practices call for a plywood roof deck at least one inch thick, 3/4-inch galvanized nails, and 3/8-inch head nails. The angled corner should be flush to the facia while the outer edge of the kick-out stands out between 1/4 and 1/2 to keep runoff away from the structure and into the gutter. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. 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. The paper should then be nailed in or stapled every three to four inches across. Smooth application of the roofing paper will help you achieve a smooth installation of the shingles. Replace any damaged decking and sweep the deck clean of sawdust and debris. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. Aluminum is a weaker metal than steel and copper. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. Is it necessary to use adhesive? Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. As always, your comments and suggestions are appreciated. Roof felt is available in weights of 15 or 30-pounds per 100sqft. What Size Staples Required for 30lb Felt? Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! Valley, ridges and hips should have a 6 inch overlap of paper. Even if it is imperceptible to you, water will find it. There are two methods of galvanizing nails: hotdipped and electrogalvanized. Sometimes homeowners put in new nails when trying to attach something on the roof. Finished Product We'd love to see how your project to replace roofing felt turned out! Eugene has been a DIY enthusiast for most of his life and loves being creative while inspiring creativity in others. However, you may need to replace staples more often than felt nails. of the face of the lower-course shingle on the other side of the corner. This is because a roofing nail has high holding power, unlike its counterpart. The head diameter is typically a standard 3/8-inch for all roofing nails. Be sure the tar paper lies in flat strips that are absolutely smooth. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. The penny system is an old way of classifying nails. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. Installing roof felt is a two-person job. All rights reserved. A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. Also, you can use an aluminum or copper nail, depending on your location. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. Fasten drip edge on eaves with galvanized nails and a hammer, about 12 inches apart, before laying roof felt. Installing a roof is much more than just nailing shingles onto some boards. (A Beginners Guide) DoneContinue, Roofing Felt Nails Or Staples? Nails can pop above the roof surface for a number of reasons. Can Roofing Felt be Glued? Different roof slopes require different protection for asphalt shingles. HousingHow Roofing Roofing Felt Nails Or Staples? Staples are used with a variety of roofing materials. An excerpt of Table R803.2.3.1 is shown below. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. You can learn more about the sizes of staples here. Dry sheathing and felt paper also help ensure a watertight roof in severe climates. . Repeat until the roof is covered. You may want to wear work gloves to avoid injuring your hand or developing blisters. Grip the hammer tightly by the end of the handle and hold your thumb at the top of the shaft. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. Installing the roofing felt does take care, but can go very quickly. 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. Fasteners should be about 8 apart in the bottom 3/4 of the paper. Roofing Felt that exceeds the scuffed area by 6" (152 mm) Place your nails in a plastic cap or one with nails. When you arrive at the rake, the paper should be cut flush with a knife and then adjusted to line up with the chalk line. Sheathing that gets wet before the roofing material can go on should be allowed to dry thoroughly before continuing. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Continue unrolling and tacking until you near the other gable edge. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. Plus, they may have been otherwise damaged. On the other hand, Roof nails have a more substantial and extended holding strength. Share this Post: Back to Home. Staples can be used for tacking it down, but not recommended to hold. For steel, this means stainless steel or galvanized steel. You may be tempted to reuse these to save on costs. The added depth that roofing felt nails provide makes them slower to install. ONLY USE 1 diameter plastic cap roofing nails. If the guide was helpful, please share it with others. To install roofing felt, you need nails that have very wide heads to keep the felt . 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. Multiplied by 1.10 is 2112sqft. When the shingles are installed the felt is not going anywhere. Roof nails are available in 12-, 11- and 10-gauge. On low slope roof decks between 2/12 and 4/12, the recommended overlap for roofing felt is a minimum of 19-inches. Roofing nail lengths are available in one to two inches. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. . This makes them more likely to rust and break over time. 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. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. 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. (A Beginners Guide) Done. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". On the rakes or gable ends, the drip edge goes on top of the felt, helping to seal the end and prevent moisture penetration under the shingles. Repeat until the roof is covered. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. If you were considering using screws for their extra security, consider ring shank nails instead. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. Watch our step-by-step video showing how to felt a shed roof, with expert advice and top tips to help you complete the job with confidence. The puncture must be complete so that the whole diamond tip is past the wood. Nail shank diameter should be at least 11-12 gauge for roofs. Add more felt if required You need #buttoncapnails in order to nail down your roofing underlayment on your roofing project whether it's tar paper or or even peel in stick in some area. Overlapping sheet, shed felt adhesive sticks, felt to felt. Some roofers prefer to attach felt underlayment with one-inch roofing nails ,or special nails with plastic washers, but most codes allow staples, which are easier to drive. Roofing nails are cleverly designed to help you do a better job. The manufacturing process of felt nails is more complex than staples. In addition, staples create a neater finished look. Typically 2 to 3 days will be required for this. Exposed nails are those with visible nail heads. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. Cap Nails Popular Filters Length Measurement: 1-in Length Measurement: 1-3/4-in Length Measurement: 1-1/2-in Length Measurement: 7/8-in Grip-Rite Length Measurement: 3/4-in Sort & Filter Sort & Filter Sort By Featured Best Sellers Highest Rated New Arrivals Special Offers Bulk Savings (4) Length Measurement 3/8-in (2) 3/4-in (1) 7/8-in (1) 1-in (5) Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. Well walk you through the types, sizes and materials you may choose from when picking a roofing nail. Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. This is because there is more surface area for the nail to grip. Consult your local building department for specific nailing applications. A tape measure and chalk line are needed for snapping the guidelines on the roof. Then, fix the top edge of the felt just below the apex of the shed's roof, using galvanized steel clout nails at 4" or 10cm intervals. Heavier roll weight. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. Defer putting drip edge on angled gable ends until after the felt is laid, so the metal edge will block wind from lifting the felt. This is a fabric impregnated with asphalt to form a moisture barrier. An 8d nail, for example, cost 8 pennies for 100.