Staples also have lower holding strength when compared to nails. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. There are a couple of different ways to attach felt. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than 3/4 inch into the roof sheathing. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. At the gable ends trim flush to the decking or leave 1/2 to 1 to wrap the edge when installing the drip edge. Remember to follow appropriate safety practices when working from ladders or on roofs. 1. Limited time deal. Corrosion is always a concern with any metal roofing fastener. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Its working rate is prolonged but heavyweight, making work tiring. You can find each of the three types of roofing nails in the three materials we list below. Repeat until the roof is covered. A 2d nail is 1 inch long, for example, while a 16d nail is 3 1/2 inches long. Consult your local building department for specific nailing applications. . Otherwise, all new nails should be inserted so that they are covered by the shingle above them. This is important since asphalt is a relatively soft and flexible material. Felt nails have a higher holding power compared to staples. In addition, nails are stable and allow roofers to get precise points when using them. The steps are pretty much the same whether its a big roof or a small one. Overlapping sheet, shed felt adhesive sticks, felt to felt. Successive courses repeat the 19-inch overlap. 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. 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. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Another quality is its ability to withstand intense exposure to the sun over a long period. 30-pound roofing felt costs more, but also offers more protection. HousingHow Roofing Roofing Felt Nails Or Staples? The longer it is left uncovered, the more it will weather and fade. This is because the nails are small and blend in with the paper backing of the roll. By Maria Goudiss. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Various nail shank types for different requirements. Installing the roofing felt does take care, but can go very quickly. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. Read More What Does A Roof Certification Cover? 1 (19) 240 (1) 250 . Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. This is because the staples are smaller and have a smaller head, which means they pierce the shingle less. Roof nails go deep into the roofing shingles and the roof decking, providing a firmer grip and preventing the asphalt from sliding around. As a result, most local building authorities have banned staples for roofing. If required by code, wind conditions, or just regular practice, use plastic capped roofing nails. Surface treatment: polish, electro galvanized, hot dipped galvanized or vinyl coated. Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. Rolls of felt are 36 wide x 144 long for 15# and 72 long for 30#. Rolled Roofing Basics. 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. Grip the hammer tightly by the end of the handle and hold your thumb at the top of the shaft. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. For example, when using Cambridge shingles, youll use roughly 240 nails, because of their Advantage size. High wind areas and other types of shingles may need more. Today, the penny system refers specifically to nail length. If you live in an area with high humidity, you may need to replace your staples more often. Roofing and reroofing are two of the most common home improvement projects. Staples are used with a variety of roofing materials. And it has to be through and through, and the diamond tip will go past the wood. Specifically, youll need roofing cap nails. Galvanized nails are also available in a variety of lengths and sizes. So if youre on a budget, staples may be the way to go. If you are not sure what size of nails to use for your project, you can always consult the building department in . However, both fastening systems are durable and will last for many years with proper care and maintenance. $7.18 $ 7. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. As a bonus, roofing staplers are easy to handle and do not require many repairs. Shank type: smooth, ring, screw. Are you looking out for ways of preserving your roof rafters to enable them to stand the test of time? The quality of the material used is also an important consideration. Not only is this roll affordable, it's also slip-resistant. This is because they are faster and easier to install than nails. 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 . Installing a roof is much more than just nailing shingles onto some boards. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. At intermediate supports, fasten panels 12 inches on center. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. Roofing felt nails like cap nails are generally more expensive than staples. Tags Start the roof felt at one bottom corner of the roof. Sheradised Square Twist Nails are invalueable when working with timber construction. The Hillman Group 42041 Galvanized Roofing Nails, 1-Inch, 100-Pack. 4. "World." Measure up the roof and snap chalk lines where the upper edge of each course will go. The paper should then be nailed in or stapled every three to four inches across. Bob Haring has been a news writer and editor for more than 50 years, mostly with the Associated Press and then as executive editor of the Tulsa, Okla. . Typically 2 to 3 days will be required for this. 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. (Must Read This). of the shingle tabs where the bottom edge of the tab meets the top of the cutout. We have the following; For galvanized roofing shingles, they make use of a 16 gauge shank. Roof nails are available in 12-, 11- and 10-gauge. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. 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. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. There are applications where felt is necessary and others where it is not. If youre unsure how to install roofing felt or are just looking for some pointers, this guide is all you need. The number of nails youll need for your roofing felt will depend on a few factors. 4.6 out of 5 stars 94. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. The synthetic underlay has greater water-resistance and the no-slip coating offers better traction for installation safety. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. 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. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. Check the weather. The drip edge is nailed every 8 to 12 with 1 roofing nails, and the ends project 3/4 past the rake or gable end. in normal wind zones. Dry sheathing and felt paper also help ensure a watertight roof in severe climates. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. Use galvanised clout nails to nail the first sheet of felt onto the roof. To ensure complete satisfaction you should make final color selections from several full size shingles and view a sample of the product installed on a home. 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. To determine how much felt is required for a roof, find the area of the roof deck to be covered. Use with Dewalt DWTTH700 series, Stanley TRA700 series, or Arrow T-50 5/16, 3/8, or 1/2 staples. Place your nails in a plastic cap or one with nails. The actual process of putting down the underlayment will be one of the fastest parts of the entire roofing process. Trim the felt, so it is flush with the face of the drip edge. Simply put, smooth shank nails have a smooth shank. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head. I hope you found the guide informative and have a better understanding of how to install roofing underlayment. They are easy to install and are unique in their work and functions. Roofing felt isnt designed to be left exposed to the elements. The length of nail you use depends on the thickness of the sheathing and shingles you use. The most common size is 3/8 inch diameter with a 1-1/2 or 2-inch length. 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. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. (on center) on both head and end laps. Penetration. Many metal roofing dealers specify minimum of 7/16" 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. Length: 1" - 3". Use the nails with or without plastic caps. Strips should always lay flat. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Its not wise to attempt to reuse them, as they may cause problems on the new roof. For low slope roofs mark every 17 and snap a chalk line from gable to gable. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. You should use 12-gauge or thicker. However, this doesnt rule out staples entirely. The gasket is rubber, not plastic. However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. Ideally, the roof should be done when there is a forecast for several days without a lot of rain. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. For asphalt roofing shingles, use galvanized nails. 8D nails are considered standard for OSB roof sheathing materials. When ridge vent installation is performed correctly, the vent increases the home's energy efficiency and extends the life of the roof. Your area can also affect the number of nails needed for your roofing project. Synthetic Roofing Felt, do not use nails or staples without caps. The lower the gauge number, the thicker the nail. These factors above determine if your nail or staple underlayment is good enough to hold your roof. 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. Determine the bundles of shingles needed to cover the roof. Double that value and you have the full roof area. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. Nail shank diameter should be at least 11-12 gauge for roofs. Nail guns are pretty easy to use as there is no risk of an incorrect installation even if the gun is not held in the correct position. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. Wood splinters should also be pulled out for a smooth, clean decking surface. Rolled roofing is easy to obtain and can be found at all home improvement stores. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. Roof Felt Underlayment to Protect Your Home From the Elements Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. Roofing nails with gaskets are intended for metal roofs. Whats The Difference Between Staple And Nails? It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. The main drawbacks are cost and the need to use capped fasteners. Fortunately, galvanized roofing nails and steel nails pass the building code test. Many manufacturers offer 10-year guarantees for felt. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. The chalk line provides a parallel reference line for aligning the felt courses. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Cap nails or nails with a 3/8-inch head are also a good choice for roofing felt, as theyre less likely to come loose over time. For roof slopes greater than 4/12, multiply the area by 1.10 to account for the 2 overlap and potential waste. They may or not allow staple roofing felt. 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. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. 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. Sheathing that gets wet before the roofing material can go on should be allowed to dry thoroughly before continuing. They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. While nails are mostly used with asphalt shingles, staples can be used with various roofing materials such as fiberglass mat, roll roofing, and thatch. According to the International Building Codes 2018 Edition, fasteners for asphalt shingles must be a minimum of a 12-gauge shank.While it is common to find nails with a shank diameter of 13 inches, they cannot be smaller than 12 gauge and still comply with the IBC. 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. 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. Ridges, hips, and valleys should overlap at least 6-inches beyond the centerline, and there should be a similar overlap below vent pipes and utility stacks. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Back in the day all I used was staples and /or roofing nails now plastic tops . Installing roofing felt is easy to install and is the first step to protecting your roof decking and home. Fasten drip edge on eaves. We'd recommend nailing from the centre of the edge of the sheet and working outwards. Unfortunately, when it comes to asphalt shingle roofs, they fall short in having enough holding strength. Also, you can use an aluminum or copper nail, depending on your location. The answer depends on the thickness of the plywood and the building code. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. For the lower . Square cap nails may have a smooth or coiled shank. For more tips on roof installation and tools, read our article about choosing between a nail gun and a roofing hammer. If your building codes require thicker sheathing, youll need 1 -inch nails. 1 8d nail i like ring shank will help with a nail pop later 2 roof felt staples or plastic cap nails and rolled roofing aluminum 1 1/4 roof nails. Visit the officia. 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. 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. You may find roofing nails identified by their penny length. Below we will explore an in-depth analysis of the two fastening systems to help you select the right one for your needs. felt application we use plastic cap nails with the Bostitch cap nailer. The differences between the stable and nails are visible. An 8d nail, for example, cost 8 pennies for 100. This is How Far Apart Should Newel Posts Be! Felt nails are more expensive than staples. Staples are faster but lack the holding power of nails. For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. In addition, the manufacturer's instructions should indicate which side of the roofing felt goes down if that matters for the specific product. The ridge cap used on this roof . Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing.
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