Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. You cannot use screws for roofing shingles, only roofing nails are approved fasteners. This 400g pack of joist hanger nails from Wickes are designed to secure joist hangers in roofing, ceiling, flooring and decking work. felt application we use plastic cap nails with the Bostitch cap nailer. The most common shingle roofing nail size is 3/8 inch diameter with a 1-1/2 or 2-inch length. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. 2004-2023 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. However, this doesnt rule out staples entirely. Holding power is essential, especially if you live in areas with high winds. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. Staples can be used for tacking it down, but not recommended to hold. Nail shank diameter should be at least 11-12 gauge for roofs. However, you may need to replace staples more often than felt nails. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. Various nail shank types for different requirements. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. (Follow Correct Way)Continue. Cost is an essential consideration for home improvement projects. If youre using typical architectural shingles and 3/8-inch-thick sheathing, youll need 1inch nails. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? These factors above determine if your nail or staple underlayment is good enough to hold your roof. Some roofing felts are actually glued down. Unroll the felt on the roof deck or ground, measure the width, and cut. The rolls are typically either 50 or 100 feet long. The hotdipped method results in a thicker layer of zinc that lasts longer, so they are preferred. While nails are mostly used with asphalt shingles, staples can be used with various roofing materials such as fiberglass mat, roll roofing, and thatch. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Avoid using cement on the roofing felt, especially if you plan to re-shingle the roof that day. Staple guns are much easier to handle or work with; this is an added advantage of staples. 1. The length of nail you use depends on the thickness of the sheathing and shingles you use. Many factors have influenced the shift from using felt nails in modern times. Make sure the nails are embedded securely into the felt and wood sheathing. 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. 316 nails have elements of nickel, polymer and chromium . The head diameter is typically a standard 3/8-inch for all roofing nails. 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. 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. Galvanized nails are also available in a variety of lengths and sizes. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. This is because the moisture can cause the staples to rust and break down faster. Consult your local building department for specific nailing applications. There are fewer requirements for these nails than those used to secure shingles. An 8d nail, for example, cost 8 pennies for 100. Nevertheless, it is essential always to consult the products to see if the producers have a laid-down procedure of which of the two roofing options are best for their products and how you should use them. The ridge cap used on this roof . 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. Read More What Does A Roof Certification Cover? Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. Consider other underlayment options as needed, such as rubber or tar products. Perhaps they were underdriven in the first place. They are easy to install and are unique in their work and functions. This is important since asphalt is a relatively soft and flexible material. They install it by tacking one end, rolling it out, and centering it on the ridge. The standard size for roofing felt paper is categorized into four. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. You should check with your building code and local bylaws to confirm. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. 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 . While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. The most common width is 36", although they are sometimes available in other sizes. They are the most basic type of roofing nail and cheaper than the other two options. 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. The RSRS designation indicates the fastener is a ring shank roof sheathing nail. First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. Under most building codes in North America, 12-gauge is the minimum thickness of nail allowed on a roof. Heavier roll weight. Staples are faster and easier to use as an underlayment. (Follow Correct Way), What Does A Roof Certification Cover? Be sure the tar paper lies in flat strips that are absolutely smooth. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. Roofing felt underlayment before installation often corresponds with the local building codes and makes it easier to keep insects, vectors, and even dust particles away from the building. It will protect the roof for about a month without shingles, provided it is fastened properly and it isnt too windy. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. 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. Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. This can cause your roof to leak. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . Fasteners should be about 8 apart in the bottom 3/4 of the paper. Another benefit of roofing staples is that they cause less damage to shingles than nails. The overhang to the next strip should be 3/8 inch. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. Is it necessary to use adhesive? All rights reserved. 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. 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. Felt nails are usually made from galvanized steel, which is corrosion-resistant. Construction stapler or plastic washer nails. But, as with so many other projects, the key lies in the prep work. The heavy-duty felt or paper is saturated or coated with bitumen. Nails and staples have several significant differences. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. Not only is this roll affordable, it's also slip-resistant. And it has to be through and through, and the diamond tip will go past the wood. However, the cost varies depending on the size and brand of the product. 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. A roof certification is a significant component of the overall roof maintenance management and significantly benefits homeowners. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). Nails that didnt fully penetrate the sheathing may work their way up over time. If your building codes require thicker sheathing, youll need 1 -inch nails. This is because there is more surface area for the nail to grip. Square cap nails may have a smooth or coiled shank. 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. The roofing felt should be applied in layers that overlap. It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Call the team on 01752 692760 or use the . 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. Trim the felt, so it is flush with the face of the drip edge. Measure the size of your roof in square feet. Roofers seek to use just the right length of nail so that the decking (or OSB) is completely punctured by the nail. Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. 1. Typically 2 to 3 days will be required for this. In addition, both require similar tools for installation. This is How Far Apart Should Newel Posts Be! Other Materials Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. Due to these, Read More Plywood Under Deck Boards! On the other hand, staples are larger and more visible. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Felt provides a breathable, water-resistant membrane that helps shed moisture that makes it past the shingles. 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. Because they are less secure than nails, staples are more likely to lose over time. What Size For Roofing Felt? -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. Or, if a roofs decking has warped or bent, it can pull nails out of place. 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. 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. Staples also have lower holding strength when compared to nails. Ultimately, it is best to refer to your building codes and roofing manufacturer for more specific guidance. Roof Felt. Roofing nails with gaskets are intended for metal roofs. 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. [4] 4. 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. For example, when using Cambridge shingles, youll use roughly 240 nails, because of their Advantage size. 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. Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. It has a heavy-duty, anti-jam stapling mechanism and magazine that loads from the bottom of the handle. Shank diameter. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. 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. 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. This is because the nails are small and blend in with the paper backing of the roll. Head: flat round. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. 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. Specification Material: carbon steel, stainless steel, aluminum, copper. 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. So in terms of quantity, a roofing roll is about the size of one composite . Felt nails have a more secure grip on the paper backing of the roll. Installing the roofing felt does take care, but can go very quickly. Roofing nails are available in lengths ranging from one to two inches. Professional Professional Tools & Support. Dont confuse these cap nails with gasket roofing nails. As you work, the paper can be tacked down in the center so it wont blow away. The paper should then be nailed in or stapled every three to four inches across. (on center) on both head and end laps. The next step is to cap the ridge. The 30-pound roll is 36 wide by 72 long and covers 216sqft. Limited time deal. The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head. Tack the gable edge and tack the bottom edge and mid-line as you unroll. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Each run of shed felt should overlap the next by at least 7.5cm. Make sure to expose 5 in. 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. They are also less likely to leave behind unsightly marks on your top. If there are hips, valleys, or dormers, increase the total by 10 to 25%. The felt should be secured every six inches with nails or staples. Nails can pop above the roof surface for a number of reasons. The sun makes the felt brittle and more susceptible to tearing, and rain causes it to ripple. Galvanized nails are also available in a variety of lengths and sizes. Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. The manufacturing process of felt nails is more complex than staples. Divide the resulting area value by the area one roll of 15 or 30-pound felt will cover, and round up as its sold in full rolls. Installing a roof is much more than just nailing shingles onto some boards. 4. 1 (19) 240 (1) 250 . Back in the day all I used was staples and /or roofing nails now plastic tops . You can learn more about the sizes of staples here. 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 should use 12-gauge or thicker. It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. If required by code, wind conditions, or just regular practice, use plastic capped roofing nails. In addition, staples create a neater finished look. In most jurisdictions, building codes require using nails for roof shingles. Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof. Measure the deck from the bottom to top for the number of courses of paper. If you were considering using screws for their extra security, consider ring shank nails instead. Roll out the first course, tacking it down as you go. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. The standard size for roofing felt paper is categorized into four. To determine how much felt is required for a roof, find the area of the roof deck to be covered. How Long Are Roof Nails. 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. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. 1 Use a sharp knife to trim that shingle to within about 18 in. Repeat as necessary. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). The two main types are roofing felt 15 and 30. $3.19 $ 3. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Leave the top portion of the paper loose. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Many metal roofing dealers specify minimum of 7/16" sheathing. Used for fastening roofing felt for waterproofing or roofing tiles to metal. By the end of your read, you should know how to install felt underlayment for asphalt shingles. They may or not allow staple roofing felt. of the face of the lower-course shingle on the other side of the corner. The steps are pretty much the same whether its a big roof or a small one. 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. You can learn more about the sizes of staples here. Rolled roofing is easy to obtain and can be found at all home improvement stores. Measure the width and height of each section separately. 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. Tack about every 4 on gable edges and 8 or so everywhere else. Copper is strong and naturally resists rust and corrosion. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. Replace any damaged decking and sweep the deck clean of sawdust and debris. You may prefer to use copper roofing nails on a roof with other copper accents. Staples are typically made from aluminum or other metals that are not as durable. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully. There are applications where felt is necessary and others where it is not. Conclusion Aside from the lightweight of the roof staples, it is highly inexpensive and cost-effective, which is one of the reasons why most individuals or companies prefer to use them. Prevent Ice Dams This is because a roofing nail has high holding power, unlike its counterpart. Roofing felt isnt designed to be left exposed to the elements. However, both fastening systems are durable and will last for many years with proper care and maintenance. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. For the lower . Each higher number in the penny system represents a 1/4-inch length increase, up to a 12d nail (3 1/4 inches long). This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. These applications are ideal for flat roofs or protective surfaces under roof-level decks. On low slope roof decks between 2/12 and 4/12, the recommended overlap for roofing felt is a minimum of 19-inches. Add 10% to the shingle estimate to account for waste. While all tar paper comes in rolls, you do have some control of what size roll you will purchase. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. The size and complexity of the roof decking affect how long the task will take, but regardless of size, most felt installs are similar. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. This means that using a staple to nails is four staples to 1 nail. Different roof slopes require different protection for asphalt shingles. To install roofing felt, you need nails that have very wide heads to keep the felt . Both felt nails and staples are great fastening systems for roofing projects. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. The average roll of 15-pound roofing felt covers about 400 ft2, or 4 squares, while the average roll of 30-pound roofing felt covers about 200 ft2, or 2 squares. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. 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. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. The overhang to the next strip should be 3/8 inch. An excerpt of Table R803.2.3.1 is shown below. -A 5/12 roof deck 4x 8 is 32sqft x 1.10 = 35.2sqft. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. FREE delivery Tue, Feb 21 on $25 of items . You dont need to use cap nails or another special type of nail for this purpose. For slopes greater than 4/12 a single layer of felt is acceptable. Also, you can use an aluminum or copper nail, depending on your location. Staples also provide great finishing outlooks on your roofing or other building projects. You want roofing nails with plastic washers for roof underlayment. A greater overlap provides more protection but may cause problems with spacing and fastening upper courses relative to sheathing seams. Remember to follow appropriate safety practices when working from ladders or on roofs. Whichever material you choose for your nails, remember that roofing nails are on the exterior of homes and therefore the outer surface needs to be corrosion-resistant. Use galvanised clout nails to nail the first sheet of felt onto the roof. 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. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. Copper nails are most often used on roofs with copper flashing and accessories. The roof decking should be completely clean and dry. IKO assumes no responsibility for errors that may appear on this website. 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. of the shingle tabs where the bottom edge of the tab meets the top of the cutout. Ensure theyre long enough to penetrate through the felt and the roof decking. Not felt to timber. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. You can also install asphalt shingle roofs using either a staple or nailer. 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.
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