In terms of durability, felt nails are more durable than staples. For nail spacing requirements, an online calculator will give you a breakdown of the minimum nails per square footage that is required for your roof. There are certain qualities that roofing felt underlayment must possess. Specifically, youll need roofing cap nails. felt application we use plastic cap nails with the Bostitch cap nailer. There are applications where felt is necessary and others where it is not. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. 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. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. Roofing nails with gaskets are intended for metal roofs. If you were considering using screws for their extra security, consider ring shank nails instead. (A Beginners Guide) Done. Place your nails in a plastic cap or one with nails. If you live in an area with high humidity, you may need to replace your staples more often. 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. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. Add more felt if required You may find roofing nails identified by their penny length. Due to the low slope, the felt needs to be doubled. and water shield should also be installed a minimum of 2 ft. past the inside bearing wall of the structure,so check the size of your overhang/soffit,and 6-8" of wall thickness,and calculate what you need by adding 2 ft. to the measurements,you`ll find in most cases ,1 . The felt should be secured every six inches with nails or staples. The last part of the extended eaves edge flashing is folded back over the rake edge and nailed into place, thus sealing the exposed corner of the drip edge. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. Penetration. Its not wise to attempt to reuse them, as they may cause problems on the new roof. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. While all tar paper comes in rolls, you do have some control of what size roll you will purchase. $7.18 $ 7. Starting at the eave, 36-inch-wide (914 mm) strips of underlayment felt shall be applied overlapping successive sheets 19 inches (483 mm) and fastened sufficiently in place. Make sure to expose 5 in. Pull the felt tight so that it lies flat and straight. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the decking. After this, lines should be snapped every 34 as you move up the roof. 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. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. 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. The standard size for roofing felt paper is categorized into four. 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. Limited time deal. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. The key difference between a roofing nailer and a framing nailer is the nail size. Another quality is its ability to withstand intense exposure to the sun over a long period. The nails should be spaced 6 to 8 inches apart, so the total number of nails you will use will depend on the size of the roof. "World." You can learn more about the sizes of staples here. Highly visible alignment lines. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. As a result, roof nails can last for over 50 years, and most last for more extended periods provided the building is still standing. While nails are mostly used with asphalt shingles, staples can be used with various roofing materials such as fiberglass mat, roll roofing, and thatch. Overlaps will typically be minimum 50mm and will depend upon the slope of the roof. Bob Haring has been a news writer and editor for more than 50 years, mostly with the Associated Press and then as executive editor of the Tulsa, Okla. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. 1 Use a sharp knife to trim that shingle to within about 18 in. Under most building codes in North America, 12-gauge is the minimum thickness of nail allowed on a roof. The NRCA (National Roofing Contractors Association) recommends a double layer of 15-pound underlayment for roofs between 3/12 and 4/12, and a single layer for decks greater than 4/12. As a result, most local building authorities have banned staples for roofing. What Size Staples Required for 30lb Felt? In addition, nails are stable and allow roofers to get precise points when using them. Use the nails with or without plastic caps. 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. Aluminum is a weaker metal than steel and copper. Nail shank diameter should be at least 11-12 gauge for roofs. There will be a tiny gap on one side of the nail or the other. -A 5/12 roof deck 4x 8 is 32sqft x 1.10 = 35.2sqft. Tack the next course or layer into place. Then they nail it along the edge every 6 to 10 inches. 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. However, you may need to replace staples more often than felt nails. 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. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. When you get to an end shingle in a course, nail it in place so its edge overhangs the corner. Nails that didnt fully penetrate the sheathing may work their way up over time. Head diameter: 0.55" - 0.79". This is essential in windy conditions or in areas that experience severe weather conditions. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. 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. In normal wind zones the nails should be driven at 6.0 O.C. This can cause your roofing material to lift, making it more susceptible to damage in a storm. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Divide the total footage by 100 to determine the number of "squares" in the roof. The quality of the material used is also an important consideration. One MSR roofing roll is usually about 36 feet long by 36 inches wide. Visit the officia. Since retiring he has written freelance stories and a weekly computer security column. Prevent Ice Dams 1. However, aluminum nails are still used on asphalt shingle roofing by some roofers. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. On the other hand, Roof nails have a more substantial and extended holding strength. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than 3/4 inch into the roof sheathing. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. Roofing Nails Best Seller Grip-Rite #12 x 1 in. Successive courses repeat the 19-inch overlap. The information on this website is subject to change without notice. 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. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. In addition, the chances are that You can install staples incorrectly or inaccurately. As a bonus, roofing staplers are easy to handle and do not require many repairs. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. Measure the deck from the bottom to top for the number of courses of paper. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully. The average 3-tab shingle needs four nails per shingle. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. 45.25-in x 53.4-ft 200-sq ft Felt Roof Underlayment Model # XHWTP3224N-015 Find My Store for pricing and availability Installation & Services for You Look to Lowe's for a free consultation and professional installation. The roofing felt should be applied in layers that overlap. Materials used to make the natural and synthetic underlayment include; wood cellulose, polyester, and fiberglass. It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. Plus, they may have been otherwise damaged. The chalk line provides a parallel reference line for aligning the felt courses. 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. Drip edges on the eaves, any valley liners and all flashing should be installed before the tar paper is laid. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. Dont tack the upper edge as it will be tacked down with the overlapping next course. The overhang to the next strip should be 3/8 inch. Staples also have lower holding strength when compared to nails. Many metal roofing dealers specify minimum of 7/16" sheathing. 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. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. 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. Ideally, the roof should be done when there is a forecast for several days without a lot of rain. Attach or tack roofing felt to galvanized or aluminum 12-gauge roofing nails with a 3/8" head diameter with stainless steel staples 1*4" to 12" T50 staples or 7/8" staples to 1/2-inch hot dipped galvanized or aluminum nails. 1. The roofing nails outweigh the roofing staples durability, holding power, installation, extended use, and compliance with local building authority codes. This makes them the better option for most people. Start the roof felt at one bottom corner of the roof. By using this website you accept our use of cookies and the. As a result, they are less susceptible to jamming and easily reload. These factors above determine if your nail or staple underlayment is good enough to hold your roof. This is because the moisture can cause the staples to rust and break down faster. 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. However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. 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 nail gun is the best way to install roofing felt nails. Valley, ridges and hips should have a 6 inch overlap of paper. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. A nail gun can be used to quickly install some nails to the roofing paper wont slide around. We have the following; For galvanized roofing shingles, they make use of a 16 gauge shank. There are fewer requirements for these nails than those used to secure shingles. On low slope roof decks between 2/12 and 4/12, the recommended overlap for roofing felt is a minimum of 19-inches. The cost of your roofing nails will depend on a few factors, including material, type and length. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. The most common width is 36", although they are sometimes available in other sizes. A greater overlap provides more protection but may cause problems with spacing and fastening upper courses relative to sheathing seams. Roofing felt nails are made of galvanized steel or aluminum, which resists corrosion better than standard steel staples. To install roofing felt, you need nails that have very wide heads to keep the felt . Head: flat round. Jewelry Box Felt Liner, A4 Size (8.3" x 11.8", Black) 4.6 out of 5 stars 2,348. Many factors have influenced the shift from using felt nails in modern times. Tack about every 4 on gable edges and 8 or so everywhere else. Installing the roofing felt does take care, but can go very quickly. 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 youre installing by the High Wind Application, youll use two more nails a shingle, so 360 nails per square. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. Fasten drip edge on eaves. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Repeat until the roof is covered. However, felt nails edge out staples in terms of cost, hold, durability, and quality. Roofing felt isnt designed to be left exposed to the elements. Chalk lines should be snapped 33 5/8 above the eave line. . You can learn more about the sizes of staples here. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. 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. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. Use with Dewalt DWTTH700 series, Stanley TRA700 series, or Arrow T-50 5/16, 3/8, or 1/2 staples. Construction stapler or plastic washer nails. However, you may need more (480 nails per square) if you live in an area with severe weather conditions to ensure that your roof can withstand the high winds and heavy rain or snow. In addition, staples create a neater finished look. Have a helper ready to assist with this step, and take care to get the lines straight and clean. Continue unrolling and tacking until you near the other gable edge. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. This is because they are faster and easier to install than nails. Unroll the felt on the roof deck or ground, measure the width, and cut. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamondshaped point. Not felt to timber. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Fold the top part of the extended metal down so it is covered by the rake drip edge. Steel makes for strong nails. Haring holds a Bachelor of Journalism from the University of Missouri. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. (Follow Correct Way)Continue. But, as with so many other projects, the key lies in the prep work. Wood splinters should also be pulled out for a smooth, clean decking surface. Both felt nails and staples are great fastening systems for roofing projects. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. The penny system is an old way of classifying nails. 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. If the guide was helpful, please share it with others. Exposed nails are those with visible nail heads. The number of nails youll need for your roofing felt will depend on a few factors. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. 15-pound roofing felt costs around $20 for just over 420 square feet. Some roofing felts are actually glued down. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. You should check with your building code and local bylaws to confirm. Secure the shingles with the roofing nails. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. 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. IKO assumes no responsibility for errors that may appear on this website. Here is what a roof certification letter encompasses. So, choose these nails where performance, especially wind resistance, is a priority. Dry sheathing and felt paper also help ensure a watertight roof in severe climates. There are three basic types of roofing nails: The shank of the nail is the part of the nail that punctures through the material you are nailing. 5. With that said, lets explore your roofing nail options and which is best for your next roof. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. Felt is typically 3 feet wide, so that means a roll is approximately 144 feet long. 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. Roll the first large piece of felt over one side of the roof, allowing the excess to overhang. Rolled roofing (or roll roofing)also known as MSRcomes in rolls of 100 square feet. Galvanized nails are also available in a variety of lengths and sizes. Heavyweight asphalt shingles commonly have a longer service life. Staples are faster but lack the holding power of nails. Professional roofers look for the correct length because they want the nails to puncture the decking entirely. Leave the top portion of the paper loose. However, a roofing air nailer or air plasti-cap nailer are almost as quick. The gasket is rubber, not plastic. The head diameter is typically a standard 3/8-inch for all roofing nails. This is a fabric impregnated with asphalt to form a moisture barrier. Trim the felt, so it is flush with the face of the drip edge. There are two ways to measure the size of a roofing nail diameter and length. They can also be unsightly if they rust or break over time. The length of nail you use depends on the thickness of the sheathing and shingles you use. The weight or thickness needed will vary by regions, but 15-pound suffices in most locales. You may be tempted to reuse these to save on costs. To ensure we feature the products available in your area, please select your country and state/province. About Us | Contact Us | Privacy Policy | Home. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . Design depends on type of metal roof: exposed or hidden fasteners; board and batten (pan and ridge) panels; shake and shingle panels; panel or tile system; standing seam; etc. Repeat until the roof is covered. The added depth that roofing felt nails provide makes them slower to install. Installing roofing felt is easy to install and is the first step to protecting your roof decking and home. Clout nails should be 15mm large head clout nails. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. The overhang to the next strip should be 3/8 inch. The RSRS designation indicates the fastener is a ring shank roof sheathing nail. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. Drip edge flashing has three distinct parts and typically comes in 10 lengths. Roll out the first course, tacking it down as you go. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. 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. 1. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Therefore, settling to use any of your options depends mainly on the slope of the roof of the building they are being installed on. 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. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. However, the size differs depending on the application and the local building codes. This can cause your roof to leak. The ridge cap used on this roof . Give it the essential venting. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? They install it by tacking one end, rolling it out, and centering it on the ridge. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. All nails and staples should be placed on the lower half of the paper. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. Start at one of the upper corners of the felt and continue along the perimeter. In most jurisdictions, building codes require using nails for roof shingles. This is important since asphalt is a relatively soft and flexible material. It is available in rolls of 15 and 30-pounds per hundred square feet. For budget-conscious homeowners, roofing staples are the more affordable option. So for the 24 square roof example, you would need 2.4 rolls of synthetic underlayment, or 6 rolls of regular #15 felt. Holding power is essential, especially if you live in areas with high winds. The 30-pound roll is 36 wide by 72 long and covers 216sqft. How Long Are Roof Nails. Whatever the cause, its important to fix any nail pops in a roof to prevent damage. Can Roofing Felt be Glued? To determine how much felt is required for a roof, find the area of the roof deck to be covered. Various nail shank types for different requirements. Galvanized nails are also available in a variety of lengths and sizes. You want roofing nails with plastic washers for roof underlayment. The two main types are roofing felt 15 and 30. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. The lower the gauge number, the thicker the nail. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. of the shingle tabs where the bottom edge of the tab meets the top of the cutout. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. One of the essential factors is selecting a suitable fastener! Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. Use galvanised clout nails to nail the first sheet of felt onto the roof. For asphalt roofing shingles, use galvanized nails. Nail the felt in using 0.59 inch (15 mm) galvanized clout nails. In terms of the installation, there is not much difference between the two fastening systems. Installing roofing felt is the first step to shingling the roof deck and is an additional layer of protection for the roof. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. of the face of the lower-course shingle on the other side of the corner. These have large plastic caps for heads, which help prevent water intrusion. Use a utility knife or hook-bladed knife to cut the felt. The paper should then be nailed in or stapled every three to four inches across. 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). Repeat as necessary. This provides short-term protection and serves as a waterproof so that water or moisture does not move below the tiles or shingles. Account for waste. . They arent connected, as they are with screws. Easier roll-out with less sticking. 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. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. 3. Installing a roof is much more than just nailing shingles onto some boards. 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. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. Its always better to have too many nails to nail shingles than not enough. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. After unrolling the first 5 to 10 or so, tack the gable edge and centerline of the paper once its aligned with the chalk line. 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