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When you get to an end shingle in a course, nail it in place so its edge overhangs the corner. 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. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. 1 Use a sharp knife to trim that shingle to within about 18 in. They are also less likely to leave behind unsightly marks on your top. After this, lines should be snapped every 34 as you move up the roof. The longer it is left uncovered, the more it will weather and fade. They can also be unsightly if they rust or break over time. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. 4.6 out of 5 stars 94. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. Felt nails have a more secure grip on the paper backing of the roll. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. The size and complexity of the roof decking affect how long the task will take, but regardless of size, most felt installs are similar. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). 2004-2023 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. Ensure theyre long enough to penetrate through the felt and the roof decking. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. (Must Read This). 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. Fold the top part of the extended metal down so it is covered by the rake drip edge. Unfortunately, it's not rated for fire resistance. Double that value and you have the full roof area. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Similarly, 19/32 OSB roof sheathing would be 8d common, box or casing nails at 6 on center at the panel edges and 12 on center in the field OR 2 16 gage staples at 4 on center at the panel edges and 8 on center in the field. This means they may lose over time, especially in high winds or severe weather conditions. Tack the next course or layer into place. Chalk lines should be snapped 33 5/8 above the eave line. 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. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Bitumen is a waterproof mixture of coal-tar pitch or asphalt and other viscous and sticky organic liquids. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your roof. Whats The Difference Between Staple And Nails? Check the requirements for the roofing material that will go over the felt. Fasten the field area in the middle of the roll a minimum of 24 O.C. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. 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. 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. . of the face of the lower-course shingle on the other side of the corner. The standard size for roofing felt paper is categorized into four. Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. 30-pound roofing felt costs more, but also offers more protection. Shed Roof vs. Gable Roof Comparison Guide. Be sure you to use the correct nail length and place it properly. Lay it over metal flashing edges around vents and pipes. They arent connected, as they are with screws. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. What Size Staples Required for 30lb Felt? Not only is it tedious to yank these nails out, but their zinc coating will also be worn. As always, your comments and suggestions are appreciated. This inarguably depends significantly on the type of nails used. Roof Felt. You dont need to use cap nails or another special type of nail for this purpose. Wood splinters should also be pulled out for a smooth, clean decking surface. Head diameter: 0.55" - 0.79". Valley, ridges and hips should have a 6 inch overlap of paper. This is because each nail needs to be driven individually into the roof. 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. Dont confuse these cap nails with gasket roofing nails. They can also be overdriven or even underdriven. Penetration. In most jurisdictions, building codes require using nails for roof shingles. Dont tack the upper edge as it will be tacked down with the overlapping next course. 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. If you live in an area with high humidity, you may need to replace your staples more often. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. Perhaps they were underdriven in the first place. That depends on the exposure and coverage of your shingles. removing the shingle and installing a new shingle, choosing between a nail gun and a roofing hammer. Roofing Felt that exceeds the scuffed area by 6" (152 mm) Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. 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 . 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. A ring shank nail is also called an annular roofing nail or corrugated roofing nail. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. Jewelry Box Felt Liner, A4 Size (8.3" x 11.8", Black) 4.6 out of 5 stars 2,348. Remember to follow appropriate safety practices when working from ladders or on roofs. 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. There are two ways to measure the size of a roofing nail diameter and length. Roofing Nails Best Seller Grip-Rite #12 x 1 in. This is important since asphalt is a relatively soft and flexible material. A roof felt is a moisture barrier made of natural and synthetic materials. The most distinguishing feature of a roofing nail that sets it apart from other types of nails is the size of its head. It is available in rolls of 15 and 30-pounds per hundred square feet. 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. If there are hips, valleys, or dormers, increase the total by 10 to 25%. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. 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. Staple guns are much easier to handle or work with; this is an added advantage of staples. The key difference between a roofing nailer and a framing nailer is the nail size. But at the same time, you have a lot of jams on the felt paper while working with nail guns, roofers who use staples any form of jam. Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. IKO assumes no responsibility for errors that may appear on this website. They are also available in both hand-drive and pneumatic versions. Fortunately, galvanized roofing nails and steel nails pass the building code test. In terms of the installation, there is not much difference between the two fastening systems. Staples are also not as durable as nails and are more likely to come loose in high winds. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. The sooner it is protected by shingles, the better. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. Roll the first large piece of felt over one side of the roof, allowing the excess to overhang. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . Use the nails with or without plastic caps. 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. For slopes greater than 4/12 a single layer of felt is acceptable. 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. So if youre on a budget, staples may be the way to go. A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. For most homeowners, aesthetics are essential when choosing a fastening system. Repeat until the roof is covered. Installing the roofing felt does take care, but can go very quickly. "World." I will also need to overlap the felt, how much overlap should I use? In normal wind zones the nails should be driven at 6.0 O.C. Prevent Ice Dams Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. Roofing felt is commonly used between roof deck sheathing and roof shingles. Give it the essential venting. It also helps the roof sheathing by preventing leaks and extending its lifespan. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. IKO manufactures products for specific areas in North America. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. However, you may need to replace staples more often than felt nails. 2. Any stray roof tacks, pieces of old felt, or general debris should be cleared off. 15-pound roofing felt costs around $20 for just over 420 square feet. This way, you can avoid making multiple trips to the store for more supplies. As you work, the paper can be tacked down in the center so it wont blow away. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. 18 ($1.06/Sq Ft) $11.99 $11.99. Use galvanised clout nails to nail the first sheet of felt onto the roof. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. The head diameter is typically a standard 3/8-inch for all roofing nails. Use a construction stapler or a hammer. As its many names suggest, this type of nail has rings along the shank. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. Not felt to timber. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. 1. 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. This will help keep any moisture from getting under the felt. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. 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. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Conclusion Nails and staples are standard roofing underlayment options that you can use on all building products. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. 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. Drip edges on the eaves, any valley liners and all flashing should be installed before the tar paper is laid. Fasten drip edge on eaves with galvanized nails and a hammer, about 12 inches apart, before laying roof felt. Follow manufacturers instructions when choosing nails. Staples are faster and easier to use as an underlayment. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. Square cap nails may have a smooth or coiled shank. The next step is to cap the ridge. Roofing nails are available in lengths ranging from one to two inches. There are a couple of different ways to attach felt. Specification Material: carbon steel, stainless steel, aluminum, copper. You want roofing nails with plastic washers for roof underlayment. Continue unrolling and tacking until you near the other gable edge. Even if it is imperceptible to you, water will find it. 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. Felt nails are less visible than staples. (Follow Correct Way), What Does A Roof Certification Cover? As a result, they are less susceptible to jamming and easily reload. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Some roofers prefer to attach felt underlayment with one-inch roofing nails ,or special nails with plastic washers, but most codes allow staples, which are easier to drive. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. Leave the top portion of the paper loose. 19. Use a utility knife or hook-bladed knife to cut the felt. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. Due to these, Read More Plywood Under Deck Boards! Its always better to have too many nails to nail shingles than not enough. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. The two main types are roofing felt 15 and 30. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. 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. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. However, both fastening systems are durable and will last for many years with proper care and maintenance. As a bonus, roofing staplers are easy to handle and do not require many repairs. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. The length of nail you use depends on the thickness of the sheathing and shingles you use. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Use the nails with or without plastic caps. It has a heavy-duty, anti-jam stapling mechanism and magazine that loads from the bottom of the handle. Heavyweight asphalt shingles commonly have a longer service life. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. A 2d nail is 1 inch long, for example, while a 16d nail is 3 1/2 inches long. Nails that didnt fully penetrate the sheathing may work their way up over time. Felt nails are usually made from galvanized steel, which is corrosion-resistant. Aluminum nails are more prone to corrosion, as well as chemical and salt damage, than steel nails. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Felt nails are more expensive than staples. This is because they are faster and easier to install than nails. 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. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Nails can pop above the roof surface for a number of reasons. According to BS 5534, the nails used to fix battens to rafters should usually have a diameter of at least 3.35mm. Due to the low slope, the felt needs to be doubled. The roof decking should be completely clean and dry. One MSR roofing roll is usually about 36 feet long by 36 inches wide. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. The seams between sheets use nails at 5cm spacing. On the other hand, Roof nails have a more substantial and extended holding strength. . 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. Roof felt is often called tar paper and is commonly used in similar ways, however, they are different. Smooth application of the roofing paper will help you achieve a smooth installation of the shingles. . 5. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . Cut it at the opposite gable edge, and roll out and staple the next course with the desired overlap. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. Roofing felt is a type of underlayment that professionals install beneath a roofs shingles. Your attic needs to breathe.