Specifically, youll need roofing cap nails. 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. Felt nails are less visible than staples. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Be sure you to use the correct nail length and place it properly. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. So if youre on a budget, staples may be the way to go. Secure the shingles with the roofing nails. You should check with your building code and local bylaws to confirm. Roofing nails are available in lengths ranging from one to two inches. Exposed nails are those with visible nail heads. Installing roofing felt is the first step to shingling the roof deck and is an additional layer of protection for the roof. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. Copper nails are most often used on roofs with copper flashing and accessories. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. Not felt to timber. If there are hips, valleys, or dormers, increase the total by 10 to 25%. They may or not allow staple roofing felt. Start at the lower gable edge of the roof deck and work upward. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. In addition, the chances are that You can install staples incorrectly or inaccurately. You cannot use screws for roofing shingles, only roofing nails are approved fasteners. (on center) on both head and end laps. The kind of nails youll use for your roofing felt will depend on the project youre working on. 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. 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. In terms of durability, felt nails are more durable than staples. For example, when using Cambridge shingles, youll use roughly 240 nails, because of their Advantage size. The steps are pretty much the same whether its a big roof or a small one. Add 10% to the shingle estimate to account for waste. 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. This should be laid before the first felt is applied. Account for waste. Many manufacturers offer 10-year guarantees for felt. Length: 1" - 3". The variation in the lengths of the T50 staples entirely depends on the thickness of the felt and the density of the wood beneath it. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. Some materials require heavier felt paper. The actual process of putting down the underlayment will be one of the fastest parts of the entire roofing process. 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. Nails and staples have several significant differences. Finished Product We'd love to see how your project to replace roofing felt turned out! The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. $7.18 $ 7. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Nevertheless, it is essential always to consult the products to see if the producers have a laid-down procedure of which of the two roofing options are best for their products and how you should use them. Tar paper is infused with tar, and roofing felt with a bituminous substance granted, a semantic difference as both are petroleum-based products. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. Holding power is essential, especially if you live in areas with high winds. Package Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Roofing felt nails like cap nails are generally more expensive than staples. Give it the essential venting. Multiplied by 1.10 is 2112sqft. Roofing felt is a type of underlayment that professionals install beneath a roofs shingles. 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. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. Multiply the width by the height for the square footage of each section, then add the . They arent connected, as they are with screws. To determine how much felt is required for a roof, find the area of the roof deck to be covered. As its many names suggest, this type of nail has rings along the shank. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. 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. Roofing felt isnt designed to be left exposed to the elements. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. This means that using a staple to nails is four staples to 1 nail. All of these methods could allow water through the roof. Be sure the tar paper lies in flat strips that are absolutely smooth. Common nails, or even wood screws, may be acceptable nails for OSB roof sheathing. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. They are also less likely to leave behind unsightly marks on your top. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. 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. Other Materials The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. Under most building codes in North America, 12-gauge is the minimum thickness of nail allowed on a roof. There are a couple of different ways to attach felt. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. Roofing nails are cleverly designed to help you do a better job. There will be a tiny gap on one side of the nail or the other. Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. However, aluminum nails are still used on asphalt shingle roofing by some roofers. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. [4] 4. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Repeat until the roof is covered. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. $3.19 $ 3. 3. 15-pound roofing felt costs around $20 for just over 420 square feet. This is because the nails are made of a stronger material that can withstand more wear and tear. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. We have the following; For galvanized roofing shingles, they make use of a 16 gauge shank. While nails are mostly used with asphalt shingles, staples can be used with various roofing materials such as fiberglass mat, roll roofing, and thatch. For roof slopes greater than 4/12, multiply the area by 1.10 to account for the 2 overlap and potential waste. The puncture must be complete so that the whole diamond tip is past the wood. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. Any stray roof tacks, pieces of old felt, or general debris should be cleared off. 3. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. The standard size for roofing felt paper is categorized into four. Sheathing that gets wet before the roofing material can go on should be allowed to dry thoroughly before continuing. Your attic needs to breathe. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . 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. The average 3-tab shingle needs four nails per shingle. Unfortunately, it's not rated for fire resistance. 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. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Roofing felt on high-traffic roofs, for example, must be able to stand up to a lot of wear and tear. 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. You may want to wear work gloves to avoid injuring your hand or developing blisters. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. Follow manufacturers instructions when choosing nails. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. 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. Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. Many metal roofing dealers specify minimum of 7/16" sheathing. 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. Directly answering if you can use staples for roofing felt depends on your local building authority and fire codes. Fasteners should be about 8 apart in the bottom 3/4 of the paper. The 30-pound roll is 36 wide by 72 long and covers 216sqft. felt application we use plastic cap nails with the Bostitch cap nailer. 5. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. There are certain qualities that roofing felt underlayment must possess. Installing the roofing felt does take care, but can go very quickly. Your area can also affect the number of nails needed for your roofing project. 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 Point: diamond or blunt. Overlaps will typically be minimum 50mm and will depend upon the slope of the roof. This is How Far Apart Should Newel Posts Be! Roofing Nails Best Seller Grip-Rite #12 x 1 in. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. (Follow Correct Way), What Does A Roof Certification Cover? Paper can be fitted around vent pipes by cutting a slit and then putting it over the pipe. The roof decking should be completely clean and dry. Materials used to make the natural and synthetic underlayment include; wood cellulose, polyester, and fiberglass. If you were considering using screws for their extra security, consider ring shank nails instead.