This means that using a staple to nails is four staples to 1 nail. 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. Choosing longer rolls will allow you to cover more roof surface with fewer seams. However, felt nails edge out staples in terms of cost, hold, durability, and quality. Add 10% to the shingle estimate to account for waste. In high-wind areas, more fasteners may be required. It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your roof. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. Roll the first large piece of felt over one side of the roof, allowing the excess to overhang. Staples are typically made from aluminum or other metals that are not as durable. Roofing nails are cleverly designed to help you do a better job. One MSR roofing roll is usually about 36 feet long by 36 inches wide. 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. As a result, most local building authorities have banned staples for roofing. 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. Rolled Roofing Basics. Specifically, youll need roofing cap nails. They are also available in both hand-drive and pneumatic versions. 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. Due to these, Read More Plywood Under Deck Boards! For more tips on roof installation and tools, read our article about choosing between a nail gun and a roofing hammer. 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. A 36x72 roll covers 216sqft, weighs about 32-pounds, and has printed lines at 2, 4 and 17 for easier placement of upper courses and shingles. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. Roofing nails are available in lengths ranging from one to two inches. 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. Many manufacturers offer 10-year guarantees for felt. Nails and staples have several significant differences. They install it by tacking one end, rolling it out, and centering it on the ridge. For budget-conscious homeowners, roofing staples are the more affordable option. If you take the time to properly prepare the roof, then laying the felt will be easy. The most common size is 3/8 inch diameter with a 1-1/2 or 2-inch length. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. Another benefit of roofing staples is that they cause less damage to shingles than nails. Surface treatment: polish, electro galvanized, hot dipped galvanized or vinyl coated. In most jurisdictions, building codes require using nails for roof shingles. IKO assumes no responsibility for errors that may appear on this website. Fasten the field area in the middle of the roll a minimum of 24 O.C. First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. But, as with so many other projects, the key lies in the prep work. To install roofing felt, you need nails that have very wide heads to keep the felt . Shank diameter. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . Professional roofers look for the correct length because they want the nails to puncture the decking entirely. 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. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. 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. That is because the cement will take longer to dry, and when you remove it after it dries, you will cause damage to the roof. (on center) on both head and end laps. As you work, the paper can be tacked down in the center so it wont blow away. Holding power is essential, especially if you live in areas with high winds. Unroll the first course beginning at one gable edge and rolling to the opposite edge. Various nail shank types for different requirements. Thicker and stronger than other organic underlayments, #30 Asphalt Saturated Underlayment paper offers superior tear strength and more secure footing for roofers, especially in steep-roof applications. When ridge vent installation is performed correctly, the vent increases the home's energy efficiency and extends the life of the roof. Most domestic shed roofs will require at most two runs of felt before they come to the ridge. Roofers tend to use the roofing nails they already have on hand to install flashing. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Before laying roof felt, all rotten decking must be replaced. Fasteners should be about 8 apart in the bottom 3/4 of the paper. 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. Staples are faster but lack the holding power of nails. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Most professional roofers use staples instead of nails when installing roof felt on larger roofs. Add more felt if required Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. In addition, the chances are that You can install staples incorrectly or inaccurately. The weight or thickness needed will vary by regions, but 15-pound suffices in most locales. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. 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. This 400g pack of joist hanger nails from Wickes are designed to secure joist hangers in roofing, ceiling, flooring and decking work. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. The answer depends on the thickness of the plywood and the building code. Tack the next course or layer into place. The lower the gauge number, the thicker the nail. There are a couple of different ways to attach felt. This is because they are faster and easier to install than nails. 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. Share this Post: Back to Home. 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 reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas. This point is expertly designed to keep the decking intact when it punctures through. 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. It also helps the roof sheathing by preventing leaks and extending its lifespan. 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. Leave the top portion of the paper loose. However, remember that you get what you pay forthe added durability of nails may mean they last longer and save you money in the long run. However, in recent years, like in the last two decades, staples have been banned as an option for roofing and shingles because of fear of an incorrect installation. Back in the day all I used was staples and /or roofing nails now plastic tops . roofing company near me. Have a helper ready to assist with this step, and take care to get the lines straight and clean. To ensure we feature the products available in your area, please select your country and state/province. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. While it is common to find nails with a shank diameter of 13 inches, they cannot be smaller than 12 gauge (2.67mm) and still comply with the IBC. FREE delivery Tue, Feb 21 on $25 of items . Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. This is because the nails are small and blend in with the paper backing of the roll. 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. The standard size for roofing felt paper is categorized into four. 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. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. Common nails, or even wood screws, may be acceptable nails for OSB roof sheathing. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. HousingHow Roofing Roofing Felt Nails Or Staples? (A Beginners Guide) Done. By using this website you accept our use of cookies and the. 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. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). Secure the shingles with the roofing nails. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. The sun makes the felt brittle and more susceptible to tearing, and rain causes it to ripple. These have large plastic caps for heads, which help prevent water intrusion. Felt provides a breathable, water-resistant membrane that helps shed moisture that makes it past the shingles. 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. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. FREE delivery Tue, Feb 21 on $25 of items shipped by . 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. Roofing nail lengths are available in one to two inches. in normal wind zones. Recently, things have changed as staples are no longer fancied or used as roofing felt underlayment. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamondshaped point. 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. 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 . Corrosion is always a concern with any metal roofing fastener. The overhang to the next strip should be 3/8 inch. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. On shallow sloped roof, we would suggest the overlap is increased to 75mm. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Shank type: smooth, ring, screw. Not only is it tedious to yank these nails out, but their zinc coating will also be worn. Specification Material: carbon steel, stainless steel, aluminum, copper. However, aluminum nails are still used on asphalt shingle roofing by some roofers. There are two ways to measure the size of a roofing nail diameter and length. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. The head diameter is typically a standard 3/8-inch for all roofing nails. 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. Today, the penny system refers specifically to nail length. . Most roofing installation processes include attaching roofing felt ( roofing underlayment or tar paper) to the roof deck as recommended by the National Roofing Contractors Association (NRCA). removing the shingle and installing a new shingle, choosing between a nail gun and a roofing hammer. The felt should be secured every six inches with nails or staples. This is because the moisture can cause the staples to rust and break down faster. Read More What Does A Roof Certification Cover? The chalk line provides a parallel reference line for aligning the felt courses. For low slope roofs mark every 17 and snap a chalk line from gable to gable. Clout nails should be 15mm large head clout nails. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. Determine the bundles of shingles needed to cover the roof. This will help keep any moisture from getting under the felt. The nails should be spaced 6 to 8 inches apart, so the total number of nails you will use will depend on the size of the roof. The overhang to the next strip should be 3/8 inch. How to Install Owens Corning Roll Roofing, How to Install Ridge Caps for Metal Roofing, Home Building Mentor: How to Install Roof Felt, Warrior Roofing: Roofing Felt Installation Instructions, How to clean a showerhead, according to an expert, How to Put Rigid Foam Insulation on the Roof Before Putting on Shingles. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. How Long Are Roof Nails. Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. It will protect the roof for about a month without shingles, provided it is fastened properly and it isnt too windy. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. However, the cost varies depending on the size and brand of the product. This can cause your roof to leak. Roll out the rest of the course, tacking along the center as you go. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. For asphalt roofing shingles, use galvanized nails. The roofing felt should be applied in layers that overlap. I hope you found the guide informative and have a better understanding of how to install roofing underlayment. However, this doesnt rule out staples entirely. There are certain qualities that roofing felt underlayment must possess. According to BS 5534, the nails used to fix battens to rafters should usually have a diameter of at least 3.35mm. Head diameter: 0.55" - 0.79". They are the most basic type of roofing nail and cheaper than the other two options. Do the other side of the roof the same way, also with an overlap at the peak. 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. 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. As always, your comments and suggestions are appreciated. 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. Use galvanised clout nails to nail the first sheet of felt onto the roof. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. Each higher number in the penny system represents a 1/4-inch length increase, up to a 12d nail (3 1/4 inches long). Staples are faster and easier to use as an underlayment. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. There are applications where felt is necessary and others where it is not. Felt nails have a more secure grip on the paper backing of the roll. When the shingles are installed the felt is not going anywhere. Nails and staples are standard roofing underlayment options that you can use on all building products. 5 Energy Efficient Roofing Materials To Use. If you need to install new roof decking or OSB, youll need to nail it to the roof truss. 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.) Nail shank diameter should be at least 11-12 gauge for roofs. The gasket is rubber, not plastic. Heavier roll weight. 1. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. This can cause your roofing material to lift, making it more susceptible to damage in a storm. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. The RSRS designation indicates the fastener is a ring shank roof sheathing nail. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. Unfortunately, when it comes to asphalt shingle roofs, they fall short in having enough holding strength. 2. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. I will also need to overlap the felt, how much overlap should I use? Roof felt is often called tar paper and is commonly used in similar ways, however, they are different. The most distinguishing feature of a roofing nail that sets it apart from other types of nails is the size of its head. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. 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.
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