Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. 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. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. Roof Felt Underlayment to Protect Your Home From the Elements Ideally, the roof should be done when there is a forecast for several days without a lot of rain. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. They are the most basic type of roofing nail and cheaper than the other two options. . 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. Head: flat round. Drip edges on the eaves, any valley liners and all flashing should be installed before the tar paper is laid. (A Beginners Guide) Done. This can be done prior to tacking or afterward. Staples are faster but lack the holding power of nails. In addition, staples create a neater finished look. Staples can be used for tacking it down, but not recommended to hold. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Installing roofing felt is easy to install and is the first step to protecting your roof decking and home. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Read More What Does A Roof Certification Cover? Trim the felt, so it is flush with the face of the drip edge. For example, you will need a roofing air nailer for felt nails and a roofing staple gun for staples. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. 5. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamondshaped point. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. Repeat until the roof is covered. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Some materials require heavier felt paper. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. The key difference between a roofing nailer and a framing nailer is the nail size. To install roofing felt, you need nails that have very wide heads to keep the felt . This can cause your roofing material to lift, making it more susceptible to damage in a storm. As a bonus, roofing staplers are easy to handle and do not require many repairs. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. Then, fix the top edge of the felt just below the apex of the shed's roof, using galvanized steel clout nails at 4" or 10cm intervals. 1 (19) 240 (1) 250 . Mold and mildew will result and you could wind up having to rip off the roof and install a new one. 3. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Nail shank diameter should be at least 11-12 gauge for roofs. Nails that didnt fully penetrate the sheathing may work their way up over time. This is helpful when you have a large roofing project. The synthetic underlay has greater water-resistance and the no-slip coating offers better traction for installation safety. The answer depends on the thickness of the plywood and the building code. 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, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. For irregularly shaped roofs, break it down into smaller rectangles or triangles to calculate the areas. This can cause your roof to leak. For the lower . A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. Dont tack the upper edge as it will be tacked down with the overlapping next course. . Heavier roll weight. Point: diamond or blunt. The actual process of putting down the underlayment will be one of the fastest parts of the entire roofing process. Today, the penny system refers specifically to nail length. About Us | Contact Us | Privacy Policy | Home. Replace any damaged decking and sweep the deck clean of sawdust and debris. The added depth that roofing felt nails provide makes them slower to install. Felt nails have a higher holding power compared to staples. 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. There should be no wrinkles or other spots that could catch moisture and cause problems. These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof. Construction stapler or plastic washer nails. The standard size for roofing felt paper is categorized into four. Secure the shingles with the roofing nails. Your area can also affect the number of nails needed for your roofing project. roofing company near me. For more tips on roof installation and tools, read our article about choosing between a nail gun and a roofing hammer. This makes them more likely to rust and break over time. They cost less per square foot to install than nails, making them a good choice for those working with limited funds. It is quicker to install and can withstand winds and extended exposure better than felt. This should be laid before the first felt is applied. On shallow sloped roof, we would suggest the overlap is increased to 75mm. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. Limited time deal. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. Fold the top part of the extended metal down so it is covered by the rake drip edge. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Well walk you through the types, sizes and materials you may choose from when picking a roofing nail. 19. . Clout nails should be 15mm large head clout nails. Its not wise to attempt to reuse them, as they may cause problems on the new roof. Use with Dewalt DWTTH700 series, Stanley TRA700 series, or Arrow T-50 5/16, 3/8, or 1/2 staples. Another benefit of roofing staples is that they cause less damage to shingles than nails. What Size For Roofing Felt? They arent connected, as they are with screws. The heavy-duty felt or paper is saturated or coated with bitumen. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. When preparing to shingle or reshingle a roof, laying roofing felt offers an extra barrier against moisture. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. 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. 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). The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. In terms of the installation, there is not much difference between the two fastening systems. 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. Felt nails are usually made from galvanized steel, which is corrosion-resistant. Various nail shank types for different requirements. Follow manufacturers instructions when choosing nails. However, the cost varies depending on the size and brand of the product. The paper should then be nailed in or stapled every three to four inches across. The roof decking should be completely clean and dry. Start at the lower gable edge of the roof deck and work upward. 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. Materials used to make the natural and synthetic underlayment include; wood cellulose, polyester, and fiberglass. 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. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. Heavyweight asphalt shingles commonly have a longer service life. Length: 1" - 3". Wood splinters should also be pulled out for a smooth, clean decking surface. After this, lines should be snapped every 34 as you move up the roof. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. Start the roof felt at one bottom corner of the roof. Not only is this roll affordable, it's also slip-resistant. 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. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. Also, you can use an aluminum or copper nail, depending on your location. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. 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. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. 2. However, both fastening systems are durable and will last for many years with proper care and maintenance. The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? Haring holds a Bachelor of Journalism from the University of Missouri. That depends on the exposure and coverage of your shingles. Add 10% to the shingle estimate to account for waste. 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. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Unroll the felt on the roof deck or ground, measure the width, and cut. Unroll the first course beginning at one gable edge and rolling to the opposite edge. Corrosion is always a concern with any metal roofing fastener. 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. What Size Staples Required for 30lb Felt? One IKO test found that ring shank nails have 300% more strength than smooth shank nails. To ensure we feature the products available in your area, please select your country and state/province. The longer it is left uncovered, the more it will weather and fade. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. Another quality is its ability to withstand intense exposure to the sun over a long period. By using this website you accept our use of cookies and the. Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. The T-50s are compatible with most brands of staple guns or hammers. While all tar paper comes in rolls, you do have some control of what size roll you will purchase. Different roof slopes require different protection for asphalt shingles. The weight or thickness needed will vary by regions, but 15-pound suffices in most locales. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. 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. Jewelry Box Felt Liner, A4 Size (8.3" x 11.8", Black) 4.6 out of 5 stars 2,348. The lower edge will need to be trimmed to the drip edge. Visit the officia. Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. What Size Roofing Nail Should I Use. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. ONLY USE 1 diameter plastic cap roofing nails. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. A staple gun is convenient because it is less bulky and can shoot a lot of staples in a short period. In addition, the chances are that You can install staples incorrectly or inaccurately. Not only is it tedious to yank these nails out, but their zinc coating will also be worn. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. 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. Holding power is essential, especially if you live in areas with high winds. Although roofing staples are designed to be strong, they are not as strong as nails. A typical roll of 15-pound felt is 36 wide and 144 long and covers 432sqft. Shank type: smooth, ring, screw. If required by code, wind conditions, or just regular practice, use plastic capped roofing nails. This will help keep any moisture from getting under the felt. Tags It is available in rolls of 15 and 30-pounds per hundred square feet. You cannot use screws for roofing shingles, only roofing nails are approved fasteners. Tack the gable edge and tack the bottom edge and mid-line as you unroll. 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. If youre using typical architectural shingles and 3/8-inch-thick sheathing, youll need 1inch nails. 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.) When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. The chalk line provides a parallel reference line for aligning the felt courses. The length of nail you use depends on the thickness of the sheathing and shingles you use. $7.18 $ 7. "World." To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. 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. A tape measure and chalk line are needed for snapping the guidelines on the roof. It sheds precipitation while awaiting shingles, protects the shingles from resins and glues leaching from the decking, and acts as a second line of defense against moisture. There are applications where felt is necessary and others where it is not. 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. All nails and staples should be placed on the lower half of the paper. Measure the size of your roof in square feet. The main drawbacks are cost and the need to use capped fasteners. Most roofers use four nails per shingle and five nails for each roofing felt square. Place your nails in a plastic cap or one with nails. You should check with your building code and local bylaws to confirm. 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. This step is vital to the success of your new roof and must not be shortchanged in any way. Copper is strong and naturally resists rust and corrosion. 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. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. 4. 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. Uneven strips and wrinkles can allow dust, moisture and mold to develop. Roofing felt nails like cap nails are generally more expensive than staples. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. As you work, the paper can be tacked down in the center so it wont blow away. This 400g pack of joist hanger nails from Wickes are designed to secure joist hangers in roofing, ceiling, flooring and decking work. 1. Share this Post: Back to Home. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. Penetration. The head diameter is typically a standard 3/8-inch for all roofing nails. Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. 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. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. 1 Use a sharp knife to trim that shingle to within about 18 in. All of these methods could allow water through the roof. For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. Any stray roof tacks, pieces of old felt, or general debris should be cleared off. Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Staples also have lower holding strength when compared to nails. Dont confuse these cap nails with gasket roofing nails. Finished Product We'd love to see how your project to replace roofing felt turned out! Or, if a roofs decking has warped or bent, it can pull nails out of place. Step 4 Prepare for the Shingle Installation Is it necessary to use adhesive? This is because the nails are made of a stronger material that can withstand more wear and tear. 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. Roofing nails with gaskets are intended for metal roofs. Start at one of the upper corners of the felt and continue along the perimeter. But, as with so many other projects, the key lies in the prep work.
