Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. For the lower . Fasten the field area in the middle of the roll a minimum of 24 O.C. On the other hand, Roof nails have a more substantial and extended holding strength. Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. The puncture must be complete so that the whole diamond tip is past the wood. In addition, the manufacturer's instructions should indicate which side of the roofing felt goes down if that matters for the specific product. #30 Asphalt Saturated Underlayment Benefits. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. The rolls are typically either 50 or 100 feet long. One of the essential factors is selecting a suitable fastener! Two or more people are required to help roll out and straighten the paper during the process. Corrosion resistant to ensure they last over time, and for use where strong joints are required. Table R803.2.3.1 specifies the maximum fastener spacing based on framing specific gravity, exposure category, and wind speed. HousingHow Roofing Roofing Felt Nails Or Staples? Before laying roof felt, all rotten decking must be replaced. Finished Product We'd love to see how your project to replace roofing felt turned out! There are a couple of different ways to attach felt. All rights reserved. This way, you can avoid making multiple trips to the store for more supplies. Your attic needs to breathe. This can cause your roofing material to lift, making it more susceptible to damage in a storm. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. Dont tack the upper edge as it will be tacked down with the overlapping next course. Use with Dewalt DWTTH700 series, Stanley TRA700 series, or Arrow T-50 5/16, 3/8, or 1/2 staples. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. Many metal roofing dealers specify minimum of 7/16" sheathing. Overlapping sheet, shed felt adhesive sticks, felt to felt. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Repeat as necessary. Be sure the tar paper lies in flat strips that are absolutely smooth. The information on this website is subject to change without notice. Felt nails are less visible than staples. For low slope roofs mark every 17 and snap a chalk line from gable to gable. You cannot use screws for roofing shingles, only roofing nails are approved fasteners. Its working rate is prolonged but heavyweight, making work tiring. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. The main drawbacks are cost and the need to use capped fasteners. 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. The length of nail you use depends on the thickness of the sheathing and shingles you use. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. The head diameter is typically a standard 3/8-inch for all roofing nails. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. Professional Professional Tools & Support. Roofers tend to use the roofing nails they already have on hand to install flashing. Grip the hammer tightly by the end of the handle and hold your thumb at the top of the shaft. 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. The numbers refer to the actual weight of the felt. In addition, nails are stable and allow roofers to get precise points when using them. 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) Each run of shed felt should overlap the next by at least 7.5cm. On the rakes or gable ends, the drip edge goes on top of the felt, helping to seal the end and prevent moisture penetration under the shingles. As always, your comments and suggestions are appreciated. The T-50s are compatible with most brands of staple guns or hammers. We'd recommend nailing from the centre of the edge of the sheet and working outwards. 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. Point: diamond or blunt. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. This can be done prior to tacking or afterward. Both felt nails and staples require minimal maintenance. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. A nail gun can be used to quickly install some nails to the roofing paper wont slide around. Are you looking out for ways of preserving your roof rafters to enable them to stand the test of time? Also, when installing ridge and hip shingles, youll need nails that are about a half an inch longer, as they need to penetrate more shingle layers. Measure the deck from the bottom to top for the number of courses of paper. Pack Size. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. Its not wise to attempt to reuse them, as they may cause problems on the new roof. This will help keep any moisture from getting under the felt. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. Unroll the first course beginning at one gable edge and rolling to the opposite edge. Can Roofing Felt be Glued? The paper should then be nailed in or stapled every three to four inches across. Roof felt is often called tar paper and is commonly used in similar ways, however, they are different. 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. You want roofing nails with plastic washers for roof underlayment. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Roofing nails are the most common type of fastener used to attach asphalt shingles to the roof deck. Roof Felt. 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. The added depth that roofing felt nails provide makes them slower to install. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. Share this Post: Back to Home. Be sure you to use the correct nail length and place it properly. However, a roofing air nailer or air plasti-cap nailer are almost as quick. If youre installing by the High Wind Application, youll use two more nails a shingle, so 360 nails per square. Copper nails are most often used on roofs with copper flashing and accessories. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. IKO manufactures products for specific areas in North America. The use of nails for roofing in an area may differ from another, but they are primarily similar; therefore, it is difficult to go against building codes when using roofing nails. 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. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Roofing felt nails like cap nails are generally more expensive than staples. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. It is versatile, strong, and affordable. FREE delivery Tue, Feb 21 on $25 of items . Staples are faster but lack the holding power of nails. The roof decking should be completely clean and dry. Measure up the roof and snap chalk lines where the upper edge of each course will go. Rolls of felt are 36 wide x 144 long for 15# and 72 long for 30#. 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. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. But, as with so many other projects, the key lies in the prep work. Nail shank diameter should be at least 11-12 gauge for roofs. Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. They also go against most building code error codes and local building authority standards. The caps help prevent tearing and are helpful for keeping the felt in place if it is windy, or if there will be a delay laying the shingles. The standard size for roofing felt paper is categorized into four. Roofing Nails Best Seller Grip-Rite #12 x 1 in. 19. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. 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. 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. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. Whats The Difference Between Staple And Nails? In terms of the installation, there is not much difference between the two fastening systems. However, the size differs depending on the application and the local building codes. It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. Roofing felt is commonly used between roof deck sheathing and roof shingles. Begin the next course from the edge just cut, moving up to the next chalk line. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. Measure the size of your roof in square feet. 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. 18 ($1.06/Sq Ft) $11.99 $11.99. The head diameter is typically a standard 3/8-inch for all roofing nails. 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. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. The felt should be secured every six inches with nails or staples. After this, lines should be snapped every 34 as you move up the roof. In high-wind areas, more fasteners may be required. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Roofing nails are cleverly designed to help you do a better job. These factors above determine if your nail or staple underlayment is good enough to hold your roof. Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it. Measure the width and height of each section separately. 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 most common width is 36", although they are sometimes available in other sizes. They can also be unsightly if they rust or break over time. In normal wind zones the nails should be driven at 6.0 O.C. They may or not allow staple roofing felt. Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. Installing roofing felt is the first step to shingling the roof deck and is an additional layer of protection for the roof. They are also less likely to leave behind unsightly marks on your top. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully. The drip edge protects the edges of the roof deck and is often installed after the underlay is attached. Type 316 Stainless Steel Nails - These are what you should be using on any new roof build involving an exterior wood product. By using this website you accept our use of cookies and the. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. The answer depends on the thickness of the plywood and the building code. (Must Read This). Valley, ridges and hips should have a 6 inch overlap of paper. "World." Felt nails are usually made from galvanized steel, which is corrosion-resistant. Typically 2 to 3 days will be required for this. Fasten drip edge on eaves. There are applications where felt is necessary and others where it is not. At intermediate supports, fasten panels 12 inches on center.