Here at Roofing Superstore, we've put together a guide outlining the different types of roofing nails, and which materials they work best with, so read on. The lower the gauge number, the thicker the nail. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. Roof nails are available in 12-, 11- and 10-gauge. FREE delivery Tue, Feb 21 on $25 of items shipped by . 1 Use a sharp knife to trim that shingle to within about 18 in. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. Tack about every 4 on gable edges and 8 or so everywhere else. Installing roofing felt is the first step to shingling the roof deck and is an additional layer of protection for the roof. Professional Professional Tools & Support. You can also install asphalt shingle roofs using either a staple or nailer. However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. Bitumen is a waterproof mixture of coal-tar pitch or asphalt and other viscous and sticky organic liquids. Roll out the first course, tacking it down as you go. Fortunately, galvanized roofing nails and steel nails pass the building code test. However, felt nails edge out staples in terms of cost, hold, durability, and quality. It is important to note that the nail and staple roofing felt have these outstanding qualities. The T-50s are compatible with most brands of staple guns or hammers. They install it by tacking one end, rolling it out, and centering it on the ridge. Each run of shed felt should overlap the next by at least 7.5cm. 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. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. 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. Share this Post: Back to Home. As always, your comments and suggestions are appreciated. Repeat as necessary. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Today, the penny system refers specifically to nail length. The reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas. 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. It is quicker to install and can withstand winds and extended exposure better than felt. Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. (on center) on both head and end laps. 2. One MSR roofing roll is usually about 36 feet long by 36 inches wide. Both felt nails and staples require minimal maintenance. 5. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. Its working rate is prolonged but heavyweight, making work tiring. 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. This means they will last longer and not rust as easily as staples. Specifically, youll need roofing cap nails. Otherwise, all new nails should be inserted so that they are covered by the shingle above them. What size nails for OSB sheathing? 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. 15-pound roofing felt costs around $20 for just over 420 square feet. As its many names suggest, this type of nail has rings along the shank. Felt nails are usually made from galvanized steel, which is corrosion-resistant. The 30-pound roll is 36 wide by 72 long and covers 216sqft. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Directly answering if you can use staples for roofing felt depends on your local building authority and fire codes. At intermediate supports, fasten panels 12 inches on center. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. How to Install Owens Corning Roll Roofing, How to Install Ridge Caps for Metal Roofing, Home Building Mentor: How to Install Roof Felt, Warrior Roofing: Roofing Felt Installation Instructions, How to clean a showerhead, according to an expert, How to Put Rigid Foam Insulation on the Roof Before Putting on Shingles. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. Overlapping sheet, shed felt adhesive sticks, felt to felt. . 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. Choosing longer rolls will allow you to cover more roof surface with fewer seams. This step is vital to the success of your new roof and must not be shortchanged in any way. They arent connected, as they are with screws. Account for waste. This makes them the better option for most people. Rolled roofing is easy to obtain and can be found at all home improvement stores. felt application we use plastic cap nails with the Bostitch cap nailer. Continue unrolling and tacking until you near the other gable edge. For budget-conscious homeowners, roofing staples are the more affordable option. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. "World." Unroll the first course beginning at one gable edge and rolling to the opposite edge. The differences between the stable and nails are visible. 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. How Long Are Roof Nails. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof. Roofing nails with gaskets are intended for metal roofs. This website uses cookies to provide necessary functionality and to improve your online experience. The two main types are roofing felt 15 and 30. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. Trim the felt, so it is flush with the face of the drip edge. Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. 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. Fit felt around vent pipes or other protrusions by cutting it with a utility knife and fastening around the bottom of the vent. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Two or more people are required to help roll out and straighten the paper during the process. 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. Nails and staples are standard roofing underlayment options that you can use on all building products. There will be a tiny gap on one side of the nail or the other. Be sure you to use the correct nail length and place it properly. You can learn more about the sizes of staples here. The added depth that roofing nails provide makes them less likely to come loose over time. (Must Read This). 4. Check the weather. Pressure-treated wood, Read More Pressure Treated Lumber For Roof Rafters (Lets See)Continue, As a homeowner, the various components of a roof are often vague, which might become a hindrance if you encounter roof problems, Read More Roof Eave Vs. Rake (In-Depth Comparison)Continue, Roof sheathing is one of the most common and significant parts of a building. Each higher number in the penny system represents a 1/4-inch length increase, up to a 12d nail (3 1/4 inches long). Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Back in the day all I used was staples and /or roofing nails now plastic tops . A tape measure and chalk line are needed for snapping the guidelines on the roof. 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. There should be no wrinkles or other spots that could catch moisture and cause problems. Under most building codes in North America, 12-gauge is the minimum thickness of nail allowed on a roof. 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. They are the most basic type of roofing nail and cheaper than the other two options. #30 Asphalt Saturated Underlayment Benefits. The key difference between a roofing nailer and a framing nailer is the nail size. In addition, staples create a neater finished look. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. 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. For irregularly shaped roofs, break it down into smaller rectangles or triangles to calculate the areas. Roofing and reroofing are two of the most common home improvement projects. Staples are typically made from aluminum or other metals that are not as durable. Add more felt if required Some materials require heavier felt paper. Measure the width and height of each section separately. 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. There are fewer requirements for these nails than those used to secure 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. The head diameter is typically a standard 3/8-inch for all roofing nails. This is because staples are more likely to rust and break over time. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. As a result, most local building authorities have banned staples for roofing. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. To install roofing felt, you need nails that have very wide heads to keep the felt . Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. 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. 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. Many metal roofing dealers specify minimum of 7/16" sheathing. Heavier roll weight. By the end of your read, you should know how to install felt underlayment for asphalt shingles. Synthetic Roofing Felt, do not use nails or staples without caps. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. 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) You should check with your building code and local bylaws to confirm. That depends on the exposure and coverage of your shingles. So in terms of quantity, a roofing roll is about the size of one composite . Another benefit of roofing staples is that they cause less damage to shingles than nails. But, as with so many other projects, the key lies in the prep work. On low slope roof decks between 2/12 and 4/12, the recommended overlap for roofing felt is a minimum of 19-inches. They can also be overdriven or even underdriven. Nails and staples have several significant differences. Highly visible alignment lines. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. 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. Steel makes for strong nails. Tack the next course or layer into place. You can adjust the firing depth of nails with an easy depth-setting wheel on the head of the tool, and clear jammed nails with the quick-release compartment aside the . When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. A greater overlap provides more protection but may cause problems with spacing and fastening upper courses relative to sheathing seams. He is passionately interested in home improvement, renovation and woodworking. This moderately-priced roofing nailer holds up to 120 nails per load and allows a variety of 11-gauge (.12 inches) nail sizes ranging from 3/4 of an inch to 1-3/4 of an inch. In terms of durability, felt nails are more durable than staples. If required by code, wind conditions, or just regular practice, use plastic capped roofing 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. However, the cost varies depending on the size and brand of the product. Staples are faster and easier to use as an underlayment. 18 ($1.06/Sq Ft) $11.99 $11.99. This should be laid before the first felt is applied. Give it the essential venting. Follow manufacturers instructions when choosing nails. To protect the rake or gable ends from wind-driven moisture, the drip edge is placed over the underlayment to seal it down to the deck. Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. Do the other side of the roof the same way, also with an overlap at the peak. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. At the gable ends trim flush to the decking or leave 1/2 to 1 to wrap the edge when installing the drip edge. Both felt nails and staples are great fastening systems for roofing projects. If there are hips, valleys, or dormers, increase the total by 10 to 25%. Repeat until the roof is covered. Staples are used with a variety of roofing materials. A ring shank nail is also called an annular roofing nail or corrugated roofing nail. Before laying roof felt, all rotten decking must be replaced. 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. Measure up the roof and snap chalk lines where the upper edge of each course will go. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. If youre installing by the High Wind Application, youll use two more nails a shingle, so 360 nails per square. Measure the size of your roof in square feet. Multiply the width by the height for the square footage of each section, then add the . Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. roofing company near me. This is because the staples are smaller and have a smaller head, which means they pierce the shingle less. 4.6 out of 5 stars 94. So if youre on a budget, staples may be the way to go. An 8d nail, for example, cost 8 pennies for 100. Valley, ridges and hips should have a 6 inch overlap of paper. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. 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. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Make sure the nails are embedded securely into the felt and wood sheathing. 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. Measure the deck from the bottom to top for the number of courses of paper. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. You dont need to use cap nails or another special type of nail for this purpose. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! 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. Here is what a roof certification letter encompasses. 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. Determine the bundles of shingles needed to cover the roof. Whatever the cause, its important to fix any nail pops in a roof to prevent damage. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. Can Roofing Felt be Glued? 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. Mold and mildew will result and you could wind up having to rip off the roof and install a new one. In most jurisdictions, building codes require using nails for roof shingles. There are certain qualities that roofing felt underlayment must possess. Square cap nails may have a smooth or coiled shank. Consider other underlayment options as needed, such as rubber or tar products. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. Tags The most common size is 3/8 inch diameter with a 1-1/2 or 2-inch length. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. Replace any damaged decking and sweep the deck clean of sawdust and debris. 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. The number of nails youll need for your roofing felt will depend on a few factors. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. 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. If youre unsure how to install roofing felt or are just looking for some pointers, this guide is all you need. And it has to be through and through, and the diamond tip will go past the wood. If you use the same shingle and add the nail back in a different spot, youre leaving behind a hole where the nail once was. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. They are also available in both hand-drive and pneumatic versions. The rolls are typically either 50 or 100 feet long. For asphalt shingle nails, a galvanized roofing nail with at least 12 gauge shank and head diameter 3/8 inch, while the stapler requires a 16 gauge staple gun. Simply put, smooth shank nails have a smooth shank. 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 . 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. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. Exposed nails are those with visible nail heads. Another quality is its ability to withstand intense exposure to the sun over a long period. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully. Double that value and you have the full roof area. As a result, roof nails can last for over 50 years, and most last for more extended periods provided the building is still standing. . Specification Material: carbon steel, stainless steel, aluminum, copper. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. In your building codes and international building codes, nails may be referenced as fasteners along with staples and screws. The numbers refer to the actual weight of the felt. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. 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. The size and complexity of the roof decking affect how long the task will take, but regardless of size, most felt installs are similar. It also doesnt wrinkle when wet or crack and split in the cold. Any stray roof tacks, pieces of old felt, or general debris should be cleared off. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. The cost of your roofing nails will depend on a few factors, including material, type and length. Installing a roof is much more than just nailing shingles onto some boards. Length: 1" - 3". For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. These applications are ideal for flat roofs or protective surfaces under roof-level decks. Begin the next course from the edge just cut, moving up to the next chalk line. Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. All nails and staples should be placed on the lower half of the paper. 5 Energy Efficient Roofing Materials To Use. For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. Fold the top part of the extended metal down so it is covered by the rake drip edge. Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. According to BS 5534, the nails used to fix battens to rafters should usually have a diameter of at least 3.35mm. Nails that didnt fully penetrate the sheathing may work their way up over time. Sheradised Square Twist Nails are invalueable when working with timber construction. The rise is the height from the edge of your roof to the peak, while the run is the distance from the eaves to the peak. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. The seams between sheets use nails at 5cm spacing. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. Aluminum is a weaker metal than steel and copper. Some roofing felts are actually glued down. This is because each nail needs to be driven individually into the roof. Corrosion is always a concern with any metal roofing fastener. 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. Staples can be used for tacking it down, but not recommended to hold. Your area can also affect the number of nails needed for your roofing project. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. However, you may need to replace staples more often than felt nails. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Its not wise to attempt to reuse them, as they may cause problems on the new roof. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. Even if it is imperceptible to you, water will find it. The quality of the material used is also an important consideration. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. The paper should then be nailed in or stapled every three to four inches across. Be sure the tar paper lies in flat strips that are absolutely smooth. 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. This is essential in windy conditions or in areas that experience severe weather conditions. The felt should be secured every six inches with nails or staples. The information on this website is subject to change without notice. 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. I hope you found the guide informative and have a better understanding of how to install roofing underlayment. Repeat until the roof is covered.
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what size nails for roof felt