What Type of Nails for Felt/Underlayment? -A 5/12 roof deck 4x 8 is 32sqft x 1.10 = 35.2sqft. There are applications where felt is necessary and others where it is not. The standard size for roofing felt paper is categorized into four. 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. 15-pound roofing felt costs around $20 for just over 420 square feet. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. There should be no wrinkles or other spots that could catch moisture and cause problems. 8D nails are considered standard for OSB roof sheathing materials. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. But, as with so many other projects, the key lies in the prep work. If your building codes require thicker sheathing, youll need 1 -inch nails. What Size Staples For 30lb Felt? (Read This First) | [2023] Type 316 Stainless Steel Nails - These are what you should be using on any new roof build involving an exterior wood product. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. Perhaps they were underdriven in the first place. 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. However, in recent years, like in the last two decades, staples have been banned as an option for roofing and shingles because of fear of an incorrect installation. This means they will last longer and not rust as easily as staples. However, remember that you get what you pay forthe added durability of nails may mean they last longer and save you money in the long run. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. The added depth that roofing felt nails provide makes them slower to install. 5 Energy Efficient Roofing Materials To Use. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. At intermediate supports, fasten panels 12 inches on center. Haring holds a Bachelor of Journalism from the University of Missouri. (A Beginners Guide) Done. Dont confuse these cap nails with gasket roofing nails. So in terms of quantity, a roofing roll is about the size of one composite . The 30-pound roll is 36 wide by 72 long and covers 216sqft. The key difference between a roofing nailer and a framing nailer is the nail size. Underlayment, also known as roofing felt or tar paper, is a layer of protection that roofers install between your roofing deck and the roofing shingles or tiles. 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. Many factors have influenced the shift from using felt nails in modern times. Typically 2 to 3 days will be required for this. With that said, lets explore your roofing nail options and which is best for your next roof. The caps help prevent tearing and are helpful for keeping the felt in place if it is windy, or if there will be a delay laying the shingles. This makes it 320 nails per square foot. They also go against most building code error codes and local building authority standards. This provides short-term protection and serves as a waterproof so that water or moisture does not move below the tiles or shingles. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. Start at the lower gable edge of the roof deck and work upward. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! This is important since asphalt is a relatively soft and flexible material. Roofing felt products should not be glued to the decking in lieu of using nails or screws. 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. Wood Shingles (minimum 3/4 " sheathing) Wood Shingles Nail Type Minimum Length 18 Straight Split 3d Box 1-1/4 18 and 24 Handsplit and Resawn 4d Box 1-1/2 Disclaimer The above nail sizes are recommendations only. Installing roofing felt is easy to install and is the first step to protecting your roof decking and home. This is because they are faster and easier to install than nails. Once this course is laid, you can begin snapping horizontal chalk lines up the roof to ensure straight rows. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". Although roofing staples are designed to be strong, they are not as strong as nails. Tack the next course or layer into place. This will help keep any moisture from getting under the felt. That depends on the exposure and coverage of your shingles. Roofing vs Framing vs Siding Nailer - Fine Power Tools Professional roofers look for the correct length because they want the nails to puncture the decking entirely. Shed Roof vs. Gable Roof Comparison Guide. According to BS 5534, the nails used to fix battens to rafters should usually have a diameter of at least 3.35mm. The roof decking should be completely clean and dry. He is passionately interested in home improvement, renovation and woodworking. If you take off a shingle for repairs or take off the whole roof in preparation for a reroofing job, youll have a ton of roofing nails on hand. It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. Follow manufacturers instructions when choosing nails. Galvanized nails are also available in a variety of lengths and sizes. #30 Asphalt Saturated Underlayment Benefits. If you take the time to properly prepare the roof, then laying the felt will be easy. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. An 8d nail, for example, cost 8 pennies for 100. Nails and staples have several significant differences. Before laying roof felt, all rotten decking must be replaced. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. Roll out the rest of the course, tacking along the center as you go. Unfortunately, it's not rated for fire resistance. Another quality is its ability to withstand intense exposure to the sun over a long period. It is available in rolls of 15 and 30-pounds per hundred square feet. Drip edge flashing has three distinct parts and typically comes in 10 lengths. How to felt a shed roof - YouTube Ensure theyre long enough to penetrate through the felt and the roof decking. Cap nails or nails with a 3/8-inch head are also a good choice for roofing felt, as theyre less likely to come loose over time. 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. Sheradised Square Twist Nails are invalueable when working with timber construction. Copper is strong and naturally resists rust and corrosion. The penny system is an old way of classifying nails. Measure the size of your roof in square feet. 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. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. You may find roofing nails identified by their penny length. Make sure the nails are embedded securely into the felt and wood sheathing. Various nail shank types for different requirements. When nailing shingles, proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. On the other hand, staples are larger and more visible. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. 2004-2023 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. The lower the gauge number, the thicker the nail. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. The weight or thickness needed will vary by regions, but 15-pound suffices in most locales. Button Cap Roof Nails - How Much Do You Need? - YouTube Unroll the first course beginning at one gable edge and rolling to the opposite edge. For slopes greater than 4/12 a single layer of felt is acceptable. Heavyweight asphalt shingles commonly have a longer service life. Roll out the first course, tacking it down as you go. Its always better to have too many nails to nail shingles than not enough. Start the roof felt at one bottom corner of the roof. When ridge vent installation is performed correctly, the vent increases the home's energy efficiency and extends the life of the roof. Then they nail it along the edge every 6 to 10 inches. Synthetic Roofing Felt, do not use nails or staples without caps. Most roofers use four nails per shingle and five nails for each roofing felt square. Its working rate is prolonged but heavyweight, making work tiring. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . Staples also have lower holding strength when compared to nails. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Clout Nails for Roofing Felt Nails With Larger Flat Head Roof nails go deep into the roofing shingles and the roof decking, providing a firmer grip and preventing the asphalt from sliding around. 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. Determine the bundles of shingles needed to cover the roof. #12 x 1 in. Plastic Round Cap Roofing Nail (3,000-Pack) We'd recommend nailing from the centre of the edge of the sheet and working outwards. You dont need to use cap nails or another special type of nail for this purpose. Chalk lines should be snapped 33 5/8 above the eave line. This makes them more likely to rust and break over time. There are two ways to measure the size of a roofing nail diameter and length. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. Installing roof felt is a two-person job. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. The main drawbacks are cost and the need to use capped fasteners. Tar paper, #15 felt, use staples or nails? - Roofing Talk They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. 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. 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. 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 RSRS designation indicates the fastener is a ring shank roof sheathing nail. Whats The Difference Between Staple And Nails? PDF Installation Instructions for Feltbuster High-traction Synthetic - Gaf The cost of your roofing nails will depend on a few factors, including material, type and length. It also doesnt wrinkle when wet or crack and split in the cold. The most common width is 36", although they are sometimes available in other sizes. 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. Have a helper ready to assist with this step, and take care to get the lines straight and clean. FREE delivery Tue, Feb 21 on $25 of items shipped by . Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. 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. 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. Measure the width and height of each section separately. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. How Many Roofing Nails Per Square - RoofingProClub.com Ideally, the roof should be done when there is a forecast for several days without a lot of rain. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. High wind areas and other types of shingles may need more. Table R803.2.3.1 specifies the maximum fastener spacing based on framing specific gravity, exposure category, and wind speed. Wood splinters should also be pulled out for a smooth, clean decking surface. Staples also provide great finishing outlooks on your roofing or other building projects. Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. Due to these, Read More Plywood Under Deck Boards! The roofing nails outweigh the roofing staples durability, holding power, installation, extended use, and compliance with local building authority codes. Different roof slopes require different protection for asphalt shingles. 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. The manufacturing process of felt nails is more complex than staples. what size roofing nails for 1/2 plywood - Columbus Roofing Company Uneven strips and wrinkles can allow dust, moisture and mold to develop. So, choose these nails where performance, especially wind resistance, is a priority. Avoid using cement on the roofing felt, especially if you plan to re-shingle the roof that day. Other Materials Roofing and reroofing are two of the most common home improvement projects. Consider other underlayment options as needed, such as rubber or tar products. Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. The felt should be secured every six inches with nails or staples. Be sure you to use the correct nail length and place it properly. This is a fabric impregnated with asphalt to form a moisture barrier. Roofing felt nails like cap nails are generally more expensive than staples. You should check with your building code and local bylaws to confirm. We have the following; 3/8 x "3/8 7/16 x 1 - 1/2 1/2 x 5/16 1 x 5/8 For galvanized roofing shingles, they make use of a 16 gauge shank. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. (Must Read This). Leave the top portion of the paper loose. Roofing nail gun - Top roofing nailers | Best 12 brands of roofing nail Roofing felt nails are made of galvanized steel or aluminum, which resists corrosion better than standard steel staples. 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. HousingHow Roofing Roofing Felt Nails Or Staples? Repeat until the roof is covered. Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Shank type: smooth, ring, screw. The number of nails youll need for your roofing felt will depend on a few factors. Dont tack the upper edge as it will be tacked down with the overlapping next course. All rights reserved. The size and complexity of the roof decking affect how long the task will take, but regardless of size, most felt installs are similar. These factors above determine if your nail or staple underlayment is good enough to hold your roof. Nail shank diameter should be at least 11-12 gauge for roofs. Since retiring he has written freelance stories and a weekly computer security column. Within the last foot or so, roll back onto the course and push the course down at the edge to create a crease, and cut it with a utility knife or hook knife. Rolled roofing is easy to obtain and can be found at all home improvement stores. Tags Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. 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. Staples are typically made from aluminum or other metals that are not as durable. Head: flat round. Roofing felt isnt designed to be left exposed to the elements. In addition, the chances are that You can install staples incorrectly or inaccurately. These have large plastic caps for heads, which help prevent water intrusion. There are a couple of different ways to attach felt. Recently, things have changed as staples are no longer fancied or used as roofing felt underlayment. felt application we use plastic cap nails with the Bostitch cap nailer. For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. By the end of your read, you should know how to install felt underlayment for asphalt shingles. In normal wind zones the nails should be driven at 6.0 O.C. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. When you get to an end shingle in a course, nail it in place so its edge overhangs the corner. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Read More What Does A Roof Certification Cover? With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Not only is it tedious to yank these nails out, but their zinc coating will also be worn. In terms of durability, felt nails are more durable than staples. To determine how much felt is required for a roof, find the area of the roof deck to be covered. Felt nails are more expensive than staples. IKO assumes no responsibility for errors that may appear on this website. 1. Head diameter: 0.55" - 0.79". This makes them the better option for most people. The use of nails for roofing in an area may differ from another, but they are primarily similar; therefore, it is difficult to go against building codes when using roofing nails. Roofing felt nails are less visible than staples, which give your roof a neater appearance. Pull the felt tight so that it lies flat and straight. Can Staples Be Used To Install Synthetic - Warner Roofing, Inc. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. 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. . There are two methods of galvanizing nails: hotdipped and electrogalvanized. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. Installing a roof is much more than just nailing shingles onto some boards. Staple guns are much easier to handle or work with; this is an added advantage of staples. In addition, nails are stable and allow roofers to get precise points when using them. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. The numbers refer to the actual weight of the felt. As a result, roof nails can last for over 50 years, and most last for more extended periods provided the building is still standing. If youre unsure how to install roofing felt or are just looking for some pointers, this guide is all you need. A nail gun is the best way to install roofing felt nails. Felt nails are less visible than staples. 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. A roof certification is a significant component of the overall roof maintenance management and significantly benefits homeowners. I will also need to overlap the felt, how much overlap should I use? Overlapping sheet, shed felt adhesive sticks, felt to felt. If you have any further unanswered questions or want to know more about the best roofing nails for your project, don't hesitate to get in touch. What Size Roofing Nail Should I Use. Staples are also not as durable as nails and are more likely to come loose in high winds. Tack the gable edge and tack the bottom edge and mid-line as you unroll. Remember to follow appropriate safety practices when working from ladders or on roofs. They are widely used and have been recognized as effective methods of holding roofing felt or underlayments and can be used for several small-scale buildings or larger building projects. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. 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. 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. 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. However, the cost varies depending on the size and brand of the product. $7.18 $ 7. In addition, staples create a neater finished look. How To : Installation of Roofing Underlayment - Metal Roofing Source However, due to manufacturing variances, the limitations of your monitor resolution and the variation in natural exterior lighting, actual colors may vary from the images you see. Roof felt is available in weights of 15 or 30-pounds per 100sqft. Because they are less secure than nails, staples are more likely to lose over time. Today, the penny system refers specifically to nail length. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Roofing | DoItYourself.com Use a utility knife or hook-bladed knife to cut the felt. Conclusion Here are some reasons why felt paper is necessary: There are three main types of underlayment applied to roof decks prior to asphalt shingles and other roof coverings. Used for fastening roofing felt for waterproofing or roofing tiles to metal. 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. This can cause your roof to leak. A tape measure and chalk line are needed for snapping the guidelines on the roof. Corrosion is always a concern with any metal roofing fastener. Sometimes homeowners put in new nails when trying to attach something on the roof. Using roofing nails and roofing staples are common methods. (Follow Correct Way), What Does A Roof Certification Cover? Nail the felt in using 0.59 inch (15 mm) galvanized clout nails. Pack Size. 18 ($1.06/Sq Ft) $11.99 $11.99. 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). Valley, ridges and hips should have a 6 inch overlap of paper. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. Rolls of felt are 36 wide x 144 long for 15# and 72 long for 30#. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. roofing company near me. The T-50s are compatible with most brands of staple guns or hammers. Amazon.com: Roofing Felt (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. Exposed nails are those with visible nail heads. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. Clout nails should be 15mm large head clout nails. Be sure the tar paper lies in flat strips that are absolutely smooth. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. 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. The added depth that roofing nails provide makes them less likely to come loose over time. The lower edge will need to be trimmed to the drip edge. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. An excerpt of Table R803.2.3.1 is shown below. How to install roofing battens - 4 simple steps | Marley DIY Roofing | Owens Corning Roofing - Roofing, Insulation, and Roofing nail lengths are available in one to two inches. 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. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. They arent connected, as they are with screws. However, you may find they are more expensive. Check the requirements for the roofing material that will go over the felt. Installing roof felt is a two-person job. Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. Cap Nails - Lowe's Home Improvement 19. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. However, this doesnt rule out staples entirely. Secure the shingles with the roofing nails. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. NOTE: Not all products featured will be available in your area. On shallow sloped roof, we would suggest the overlap is increased to 75mm. And while they may seem pretty straightforward, there are various factors to consider when choosing the suitable roofing materials and methods for your project.