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. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. The cost of your roofing nails will depend on a few factors, including material, type and length. The lower the gauge number, the thicker the nail. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. 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. The manufacturing process of felt nails is more complex than staples. Be sure the tar paper lies in flat strips that are absolutely smooth. FREE delivery Tue, Feb 21 on $25 of items shipped by . Its not wise to attempt to reuse them, as they may cause problems on the new roof. This is essential in windy conditions or in areas that experience severe weather conditions. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. Staples are faster but lack the holding power of nails. Another benefit of roofing staples is that they cause less damage to shingles than nails. A tape measure and chalk line are needed for snapping the guidelines on the roof. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Grip the hammer tightly by the end of the handle and hold your thumb at the top of the shaft. 8D nails are considered standard for OSB roof sheathing materials. By the end of your read, you should know how to install felt underlayment for asphalt shingles. Follow manufacturers instructions when choosing nails. Different roof slopes require different protection for asphalt shingles. The kind of nails youll use for your roofing felt will depend on the project youre working on. 3. 30-pound roofing felt costs more, but also offers more protection. First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. Place your nails in a plastic cap or one with nails. Mold and mildew will result and you could wind up having to rip off the roof and install a new one. They are the most basic type of roofing nail and cheaper than the other two options. 15-pound roofing felt costs around $20 for just over 420 square feet. Roofing nails are cleverly designed to help you do a better job. Therefore, settling to use any of your options depends mainly on the slope of the roof of the building they are being installed on. Here is what a roof certification letter encompasses. Many factors have influenced the shift from using felt nails in modern times. 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. 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. Dont confuse these cap nails with gasket roofing nails. Start at the lower gable edge of the roof deck and work upward. How Long Are Roof Nails. The quality of the material used is also an important consideration. These factors above determine if your nail or staple underlayment is good enough to hold your roof. Any stray roof tacks, pieces of old felt, or general debris should be cleared off. Easier roll-out with less sticking. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. There are a couple of different ways to attach felt. With that said, lets explore your roofing nail options and which is best for your next roof. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Roofing felt is a type of underlayment that professionals install beneath a roofs shingles. Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. Staples also provide great finishing outlooks on your roofing or other building projects. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. Account for waste. One MSR roofing roll is usually about 36 feet long by 36 inches wide. Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. As a result, roof nails can last for over 50 years, and most last for more extended periods provided the building is still standing. Share this Post: Back to Home. This can be done prior to tacking or afterward. (Must Read This). 4. There are two ways to measure the size of a roofing nail diameter and length. The gasket is rubber, not plastic. of the face of the lower-course shingle on the other side of the corner. However, aluminum nails are still used on asphalt shingle roofing by some roofers. Chalk lines should be snapped 33 5/8 above the eave line. (Follow Correct Way), What Does A Roof Certification Cover? So, with rounding, youll need 10 rolls of 15 pound felt or 20 rolls of 30-pound felt. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. They also go against most building code error codes and local building authority standards. The main drawbacks are cost and the need to use capped fasteners. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Tar paper is infused with tar, and roofing felt with a bituminous substance granted, a semantic difference as both are petroleum-based products. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. Roofing felt nails like cap nails are generally more expensive than staples. Perhaps they were underdriven in the first place. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. Professional Professional Tools & Support. 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. The roof decking should be completely clean and dry. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. Pack Size. We'd recommend nailing from the centre of the edge of the sheet and working outwards. Consult your local building department for specific nailing applications. 1. Determine the bundles of shingles needed to cover the roof. Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof. 18 ($1.06/Sq Ft) $11.99 $11.99. If youre installing by the High Wind Application, youll use two more nails a shingle, so 360 nails per square. This means they may lose over time, especially in high winds or severe weather conditions. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. Repeat until the roof is covered. As a bonus, roofing staplers are easy to handle and do not require many repairs. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. The added depth that roofing felt nails provide makes them slower to install. Unfortunately, when it comes to asphalt shingle roofs, they fall short in having enough holding strength. In addition, nails are stable and allow roofers to get precise points when using them. The head diameter is typically a standard 3/8-inch for all roofing nails. These applications are ideal for flat roofs or protective surfaces under roof-level decks. Heavier roll weight. 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. Cost is an essential consideration for home improvement projects. Of course, if you find yourself overwhelmed by the planning, preparation, or execution, you can reach out to professionals in your area. Add more felt if required Ideally, your roof will not have any exposed nails, with the exception of the last cap shingle (and those nails should be covered in roofing cement.) Specification Material: carbon steel, stainless steel, aluminum, copper. Leave the top portion of the paper loose. Otherwise, all new nails should be inserted so that they are covered by the shingle above them. On the other hand, staples are larger and more visible. Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. High wind areas and other types of shingles may need more. 5. 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. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. Head: flat round. Measure the deck from the bottom to top for the number of courses of paper. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. Felt nails are usually made from galvanized steel, which is corrosion-resistant. 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. 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 Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. In most jurisdictions, building codes require using nails for roof shingles. 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. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. In terms of durability, felt nails are more durable than staples. Steel makes for strong nails. Measure up the roof and snap chalk lines where the upper edge of each course will go. Sheradised Square Twist Nails are invalueable when working with timber construction. There are applications where felt is necessary and others where it is not. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. $3.19 $ 3. It will protect the roof for about a month without shingles, provided it is fastened properly and it isnt too windy. 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. The paper should then be nailed in or stapled every three to four inches across. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. The ridge cap used on this roof . Felt nails are more expensive than staples. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. Square cap nails may have a smooth or coiled shank. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. Fold the top part of the extended metal down so it is covered by the rake drip edge. Check the weather. The answer depends on the thickness of the plywood and the building code. Underlayment, also known as roofing felt or tar paper, is a layer of protection that roofers install between your roofing deck and the roofing shingles or tiles. One of the essential factors is selecting a suitable fastener! The paper should then be nailed in or stapled every three to four inches across. The 30-pound roll is 36 wide by 72 long and covers 216sqft. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? 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. When the shingles are installed the felt is not going anywhere. Tack about every 4 on gable edges and 8 or so everywhere else. Limited time deal. For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. However, this doesnt rule out staples entirely. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. (A Beginners Guide) Done. They can also be unsightly if they rust or break over time. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. You may prefer to use copper roofing nails on a roof with other copper accents. They arent connected, as they are with screws. 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. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. You may want to wear work gloves to avoid injuring your hand or developing blisters. The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head. Are you looking out for ways of preserving your roof rafters to enable them to stand the test of time? Construction stapler or plastic washer nails. Roof nails go deep into the roofing shingles and the roof decking, providing a firmer grip and preventing the asphalt from sliding around. If youre using typical architectural shingles and 3/8-inch-thick sheathing, youll need 1inch nails. The number of nails youll need for your roofing felt will depend on a few factors. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. In your building codes and international building codes, nails may be referenced as fasteners along with staples and screws. On low slope roof decks between 2/12 and 4/12, the recommended overlap for roofing felt is a minimum of 19-inches. The numbers refer to the actual weight of the felt. Use galvanised clout nails to nail the first sheet of felt onto the roof. This is because each nail needs to be driven individually into the roof. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. This makes it 320 nails per square foot. You should check with your building code and local bylaws to confirm. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Nail shank diameter should be at least 11-12 gauge for roofs. Unroll the felt on the roof deck or ground, measure the width, and cut. Under most building codes in North America, 12-gauge is the minimum thickness of nail allowed on a roof. Have a helper ready to assist with this step, and take care to get the lines straight and clean. Felt provides a breathable, water-resistant membrane that helps shed moisture that makes it past the shingles. While all tar paper comes in rolls, you do have some control of what size roll you will purchase. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. Its always better to have too many nails to nail shingles than not enough. Table R803.2.3.1 specifies the maximum fastener spacing based on framing specific gravity, exposure category, and wind speed. The two main types are roofing felt 15 and 30. Check the requirements for the roofing material that will go over the felt. Roofers tend to use the roofing nails they already have on hand to install flashing. 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. 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 . This is because they are faster and easier to install than nails. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. ONLY USE 1 diameter plastic cap roofing nails. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. 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. Recently, things have changed as staples are no longer fancied or used as roofing felt underlayment. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). You dont need to use cap nails or another special type of nail for this purpose. Use the nails with or without plastic caps. Not only is it tedious to yank these nails out, but their zinc coating will also be worn. Specifically, youll need roofing cap nails. Shank diameter. But, as with so many other projects, the key lies in the prep work. Make sure to expose 5 in. 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. Finished Product We'd love to see how your project to replace roofing felt turned out! A roof felt is a moisture barrier made of natural and synthetic materials. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. Roofing staples have a broad, flat head that helps to keep them in place and prevent them from pulling through the roofing material. Fortunately, galvanized roofing nails and steel nails pass the building code test. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. The seams between sheets use nails at 5cm spacing. Staples are faster and easier to use as an underlayment. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. They are made from galvanized or stainless steel for durability and rust resistance. 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. If you take the time to properly prepare the roof, then laying the felt will be easy. Wood splinters should also be pulled out for a smooth, clean decking surface. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. Staples are also not as durable as nails and are more likely to come loose in high winds. As a result, most local building authorities have banned staples for roofing. For roof slopes greater than 4/12, multiply the area by 1.10 to account for the 2 overlap and potential waste. 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. In normal wind zones the nails should be driven at 6.0 O.C. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. It has a heavy-duty, anti-jam stapling mechanism and magazine that loads from the bottom of the handle. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. Aluminum is a weaker metal than steel and copper. The standard size for roofing felt paper is categorized into four. At intermediate supports, fasten panels 12 inches on center. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. Roofing felt nails are less visible than staples, which give your roof a neater appearance. Step 4 Prepare for the Shingle Installation Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. 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. Copper nails are most often used on roofs with copper flashing and accessories. Continue unrolling and tacking until you near the other gable edge. roofing company near me. Tack the next course or layer into place. Whats The Difference Between Staple And Nails? If you were considering using screws for their extra security, consider ring shank nails instead. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. On shallow sloped roof, we would suggest the overlap is increased to 75mm. The next step is to cap the ridge. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. 2004-2023 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. in normal wind zones. Before laying roof felt, all rotten decking must be replaced. Rolled roofing (or roll roofing)also known as MSRcomes in rolls of 100 square feet. Directly answering if you can use staples for roofing felt depends on your local building authority and fire codes.

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