This goes a long way to bring to light how durable nail roofs are. Roof slopes from two units vertical in 12 units horizontal (17-percent slope) and . (Follow Correct Way), What Does A Roof Certification Cover? Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Visit the officia. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. 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. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. The roof leg goes under the underlayment and should be nailed every 8 to 12 along the deck with 1 aluminum or galvanized roofing nails. How Long Are Roof Nails. In high-wind areas, more fasteners may be required. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Many manufacturers offer 10-year guarantees for felt. This is a fabric impregnated with asphalt to form a moisture barrier. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. HousingHow Roofing Roofing Felt Nails Or Staples? A roof felt is a moisture barrier made of natural and synthetic materials. 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. 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 Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! Due to the low slope, the felt needs to be doubled. Various nail shank types for different requirements. 18 ($1.06/Sq Ft) $11.99 $11.99. All of these methods could allow water through the roof. 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. Fasten the field area in the middle of the roll a minimum of 24 O.C. You may prefer to use copper roofing nails on a roof with other copper accents. This is because there is more surface area for the nail to grip. Plus, they may have been otherwise damaged. Because they are less secure than nails, staples are more likely to lose over time. In normal wind zones the nails should be driven at 6.0 O.C. However, you may need to replace staples more often than felt nails. Ridges, hips, and valleys should overlap at least 6-inches beyond the centerline, and there should be a similar overlap below vent pipes and utility stacks. Using roofing nails and roofing staples are common methods. 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. Head: flat round. At the gable ends trim flush to the decking or leave 1/2 to 1 to wrap the edge when installing the drip edge. 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 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. Even if it is imperceptible to you, water will find it. (Follow Correct Way)Continue. The information on this website is subject to change without notice. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Due to these, Read More Plywood Under Deck Boards! They may or not allow staple roofing felt. The heavy-duty felt or paper is saturated or coated with bitumen. The sooner it is protected by shingles, the better. If you take the time to properly prepare the roof, then laying the felt will be easy. The drip edge is nailed every 8 to 12 with 1 roofing nails, and the ends project 3/4 past the rake or gable end. There are applications where felt is necessary and others where it is not. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Roofers seek to use just the right length of nail so that the decking (or OSB) is completely punctured by the nail. What Size Staples Required for 30lb Felt? 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. An excerpt of Table R803.2.3.1 is shown below. Fasten drip edge on eaves with galvanized nails and a hammer, about 12 inches apart, before laying roof felt. In addition, the chances are that You can install staples incorrectly or inaccurately. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. However, the size differs depending on the application and the local building codes. The synthetic underlay has greater water-resistance and the no-slip coating offers better traction for installation safety. It has a heavy-duty, anti-jam stapling mechanism and magazine that loads from the bottom of the handle. 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. Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. 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. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. 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. Grip the hammer tightly by the end of the handle and hold your thumb at the top of the shaft. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? . of the shingle tabs where the bottom edge of the tab meets the top of the cutout. The most common shingle roofing nail size is 3/8 inch diameter with a 1-1/2 or 2-inch length. Measure the size of your roof in square feet. Both felt nails and staples require minimal maintenance. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. By using this website you accept our use of cookies and the. Roofing nail lengths are available in one to two inches. Professional Professional Tools & Support. When nailing shingles, proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. However, the cost varies depending on the size and brand of the product. As a bonus, roofing staplers are easy to handle and do not require many repairs. What Type of Nails Should be Used with 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. Square cap nails may have a smooth or coiled shank. Prevent Ice Dams Unfortunately, it's not rated for fire resistance. 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. 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. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. On the other hand, Roof nails have a more substantial and extended holding strength. 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. So in terms of quantity, a roofing roll is about the size of one composite . Table R803.2.3.1 specifies the maximum fastener spacing based on framing specific gravity, exposure category, and wind speed. The next step is to cap the ridge. Replace any damaged decking and sweep the deck clean of sawdust and debris. The length of nail you use depends on the thickness of the sheathing and shingles you use. Each run of shed felt should overlap the next by at least 7.5cm. Be sure the tar paper lies in flat strips that are absolutely smooth. They are the most basic type of roofing nail and cheaper than the other two options. Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. Plywood Under Deck Boards! of the face of the lower-course shingle on the other side of the corner. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. This is because the nails are small and blend in with the paper backing of the roll. 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. A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. So, with rounding, youll need 10 rolls of 15 pound felt or 20 rolls of 30-pound felt. The number of nails youll need for your roofing felt will depend on a few factors. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. Cut it at the opposite gable edge, and roll out and staple the next course with the desired overlap. And it has to be through and through, and the diamond tip will go past the wood. removing the shingle and installing a new shingle, choosing between a nail gun and a roofing hammer. For steel, this means stainless steel or galvanized steel. By Maria Goudiss. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. Another benefit of roofing staples is that they cause less damage to shingles than nails. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. Successive courses repeat the 19-inch overlap. The head diameter is typically a standard 3/8-inch for all roofing nails. For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. The main drawbacks are cost and the need to use capped fasteners. Different roof slopes require different protection for asphalt shingles. The cost of your roofing nails will depend on a few factors, including material, type and length. . The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. Its not wise to attempt to reuse them, as they may cause problems on the new roof. This provides short-term protection and serves as a waterproof so that water or moisture does not move below the tiles or shingles. Felt nails are less visible than staples. Head diameter: 0.55" - 0.79". Multiplied by 1.10 is 2112sqft. You may be tempted to reuse these to save on costs. 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. Valley, ridges and hips should have a 6 inch overlap of paper. Use a construction stapler or a hammer. 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. This point is expertly designed to keep the decking intact when it punctures through. Nails that didnt fully penetrate the sheathing may work their way up over time. This makes them the better option for most people. Another quality is its ability to withstand intense exposure to the sun over a long period. 1 Use a sharp knife to trim that shingle to within about 18 in. The lower edge will need to be trimmed to the drip edge. To ensure we feature the products available in your area, please select your country and state/province. Nails can pop above the roof surface for a number of reasons. The ridge cap used on this roof . 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. Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. . Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Roofing nails are available in lengths ranging from one to two inches. Pull the felt tight so that it lies flat and straight. For more tips on roof installation and tools, read our article about choosing between a nail gun and a roofing hammer. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. They have a square-shaped head, instead of the more typical circular head you see on other nails. . For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. 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. Roofing Nails Best Seller Grip-Rite #12 x 1 in. 1 (19) 240 (1) 250 . The most common width is 36", although they are sometimes available in other sizes. 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. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. 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. 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. For most homeowners, aesthetics are essential when choosing a fastening system. Type 316 Stainless Steel Nails - These are what you should be using on any new roof build involving an exterior wood product. This makes them more likely to rust and break over time. . They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. Start at the lower gable edge of the roof deck and work upward. Account for waste. So if youre on a budget, staples may be the way to go. Roof felt is available in weights of 15 or 30-pounds per 100sqft. 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. Thats a bad idea. The roofing nails outweigh the roofing staples durability, holding power, installation, extended use, and compliance with local building authority codes. Consider other underlayment options as needed, such as rubber or tar products. 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. You can learn more about the sizes of staples here. For the lower . Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. They are also less likely to leave behind unsightly marks on your top. Construction stapler or plastic washer nails. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. Wood splinters should also be pulled out for a smooth, clean decking surface. Roofing staples have a broad, flat head that helps to keep them in place and prevent them from pulling through the roofing material. In most jurisdictions, building codes require using nails for roof shingles. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). If you need to install new roof decking or OSB, youll need to nail it to the roof truss. In your building codes and international building codes, nails may be referenced as fasteners along with staples and screws. 3. 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. Felt nails have a higher holding power compared to staples. 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. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof. According to the International Building Codes 2018 Edition, fasteners for asphalt shingles must be a minimum of a 12-gauge shank.While it is common to find nails with a shank diameter of 13 inches, they cannot be smaller than 12 gauge and still comply with the IBC. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. As always, your comments and suggestions are appreciated. 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. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. Installing roof felt is a two-person job. 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. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. Perhaps they were underdriven in the first place. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. This will help keep any moisture from getting under the felt. Share this Post: Back to Home. Roofing felt products should not be glued to the decking in lieu of using nails or screws. 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. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. The T-50s are compatible with most brands of staple guns or hammers. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. Roofing felt nails are made of galvanized steel or aluminum, which resists corrosion better than standard steel staples. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. Its always better to have too many nails to nail shingles than not enough. These have large plastic caps for heads, which help prevent water intrusion. Simply put, smooth shank nails have a smooth shank. 15-pound roofing felt costs around $20 for just over 420 square feet. There are fewer requirements for these nails than those used to secure shingles. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. 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. Remember to follow appropriate safety practices when working from ladders or on roofs. 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. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Check the weather. This is because they are faster and easier to install than nails. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. Are you looking out for ways of preserving your roof rafters to enable them to stand the test of time? It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. 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. 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. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. 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. Back in the day all I used was staples and /or roofing nails now plastic tops . Unfortunately, when it comes to asphalt shingle roofs, they fall short in having enough holding strength. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. The first course commonly extends past the lower edge of the sheathing by 1/2 or to cover the drip edge. The felt should be secured every six inches with nails or staples. This way, you can avoid making multiple trips to the store for more supplies. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. The gasket is rubber, not plastic. Unroll the felt on the roof deck or ground, measure the width, and cut. You should use 12-gauge or thicker. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. Once this course is laid, you can begin snapping horizontal chalk lines up the roof to ensure straight rows. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. They install it by tacking one end, rolling it out, and centering it on the ridge. Holding power is essential, especially if you live in areas with high winds. Repeat as necessary. The penny system is an old way of classifying nails. Tar paper is infused with tar, and roofing felt with a bituminous substance granted, a semantic difference as both are petroleum-based products. The numbers refer to the actual weight of the felt. Continue unrolling and tacking until you near the other gable edge. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. Measure up the roof and snap chalk lines where the upper edge of each course will go. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? Synthetic Roofing Felt, do not use nails or staples without caps. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. Nail shank diameter should be at least 11-12 gauge for roofs. Staples are typically made from aluminum or other metals that are not as durable. 3. Heavier roll weight. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. Leave the top portion of the paper loose. Chalk lines should be snapped 33 5/8 above the eave line. Arrow 1/4-Inch T50 Monel Rust Proof Staples, Building Code [IRC2018 Table R905.1.1(2)] requires two layers of underlayment for low-slope roof decks between 2/12 and 4/12, Local Codes may require it for slopes greater than 4/12, Many home and roof warranties require felt paper, NRCA (National Roofing Contractor Association) recommends bitumen, asphalt, tar, or synthetic felt for asphalt shingles, The NRCA recommends water-resistant underlayment for roof slopes greater than 3/12, Roofing felt helps to prevent pitch, uneven or sharp edges, and nails from damaging shingles, Some shingle warranties are void if felt isnt used, Necessary to meet Class A fire rating with some shingles, Provides additional protection to the roof decking against moisture penetration, When removing old shingles, fully remove and replace the old felt with new felt, Made of tar, asphalt, or bitumen-saturated organic or fiberglass substrate felt paper, Commonly used for slopes greater than 3/12, Water-resistant and breathable, not waterproof sheds moisture, doesnt trap it, 15-pound is lighter and thinner, and easier to damage; it has a permeability rating of 5, 30-pound is thicker and stiffer, and more resistant to damage; provides greater protection, Must overlap 19-inches or more on a low slope, 2/12 to 4/12, to form a double layer on the whole roof deck, On slopes greater than 4/12 the courses of felt should overlap at least 2-inches, Commonly fastens with staples or in high wind areas with plastic capped nails or plastic wind-strips, Compounds leach out over time and with sustained exposure to heat it becomes more absorbent, Manufactured from polyethylene or polypropylene, plus fiberglass in an asphalt-saturated base layer, Equivalent to felt but withstands higher temperatures, Lighter and stronger than felt, wrinkle-free, and may have a non-skid coating that is slip-resistant even when wet, Resistant to moisture, mildew and fungal growth, and UV damage, Can be left weather-exposed for 6-months or more, Overlap depends on the slope and manufacturers instructions, Fastens to deck with roofing nails or plastic cap nails staples arent recommended, May void warranties for some asphalt shingles, Polyester or polyethylene layer bonded to a weather-resistant non-skid upper layer, May have a moisture-resistant polymer film and/or a mineral coating melded to the upper layer, Typically self-adhering with a peel-off membrane protecting the adhesive side, Rubber-like material will self-seal around nails and staples, making it waterproof, Very flexible for irregular surfaces and different temperature extremes, May be designed to resist high-temperatures up to 250F, May be fiberglass-reinforced or polymer-modified for strength and elasticity, May have a selvedge edge or sticky strip along the upper edge to form a stronger watertight seal with the overlapping upper course, Typically more expensive than other underlay treatments. Galvanized nails are also available in a variety of lengths and sizes. 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. When you get to an end shingle in a course, nail it in place so its edge overhangs the corner. Sheradised Square Twist Nails are invalueable when working with timber construction. To determine how much felt is required for a roof, find the area of the roof deck to be covered. Tack the next course or layer into place. The standard size for roofing felt paper is categorized into four. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. Rolled roofing is easy to obtain and can be found at all home improvement stores. 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. Start the roof felt at one bottom corner of the roof. 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. Many metal roofing dealers specify minimum of 7/16" sheathing. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. What Size Roofing Nail Should I Use. The lower the gauge number, the thicker the nail. For slopes greater than 4/12 a single layer of felt is acceptable. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your roof. Tack the gable edge and tack the bottom edge and mid-line as you unroll. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") 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 every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. Do the other side of the roof the same way, also with an overlap at the peak. Add 10% to the shingle estimate to account for waste. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. Professional roofers look for the correct length because they want the nails to puncture the decking entirely. You may want to wear work gloves to avoid injuring your hand or developing blisters.
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