A tape measure and chalk line are needed for snapping the guidelines on the roof. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Sheradised Square Twist Nails are invalueable when working with timber construction. Back in the day all I used was staples and /or roofing nails now plastic tops . A nail gun is the best way to install roofing felt nails. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. All of these methods could allow water through the roof. Penetration. The manufacturing process of felt nails is more complex than staples. Defer putting drip edge on angled gable ends until after the felt is laid, so the metal edge will block wind from lifting the felt. Roll out the first course, tacking it down as you go. This inarguably depends significantly on the type of nails used. They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. They arent connected, as they are with screws. They are also available in both hand-drive and pneumatic versions. Fasten panels with a minimum of 8d Common (0.131-inch by 2-1/2-inch) nails spaced a maximum of 6 inches on center at supported panel ends and edges. IKO assumes no responsibility for errors that may appear on this website. Aluminum nails are more prone to corrosion, as well as chemical and salt damage, than steel 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. On shallow sloped roof, we would suggest the overlap is increased to 75mm. This means they will last longer and not rust as easily as staples. You can find each of the three types of roofing nails in the three materials we list below. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. There are a couple of different ways to attach felt. 15-pound roofing felt costs around $20 for just over 420 square feet. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. When the shingles are installed the felt is not going anywhere. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. Proper roofing practices call for a plywood roof deck at least one inch thick, 3/4-inch galvanized nails, and 3/8-inch head nails. What Size For Roofing Felt? Although roofing staples are designed to be strong, they are not as strong as nails. There are two ways to measure the size of a roofing nail diameter and length. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. It also doesnt wrinkle when wet or crack and split in the cold. Share this Post: Back to Home. Aluminum is a weaker metal than steel and copper. 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. 5 Energy Efficient Roofing Materials To Use. Felt nails are less visible than staples. The roofing nails outweigh the roofing staples durability, holding power, installation, extended use, and compliance with local building authority codes. removing the shingle and installing a new shingle, choosing between a nail gun and a roofing hammer. 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. Its always better to have too many nails to nail shingles than not enough. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. This is because a roofing nail has high holding power, unlike its counterpart. They may or not allow staple roofing felt. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). Your attic needs to breathe. 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. The penny system is an old way of classifying nails. 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. Divided by 432 for 15-pound felt or 216 for 30-pound felt and round up for full rolls for this roof theyll be lots of leftover from one roll for the next project. Finished Product We'd love to see how your project to replace roofing felt turned out! Continue along the roof to the other end and trim the felt flush at the end with a utility knife. As a result, most local building authorities have banned staples for roofing. Highly visible alignment lines. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. When ridge vent installation is performed correctly, the vent increases the home's energy efficiency and extends the life of the roof. Valley, ridges and hips should have a 6 inch overlap of paper. Roofers tend to use the roofing nails they already have on hand to install flashing. Type 316 Stainless Steel Nails - These are what you should be using on any new roof build involving an exterior wood product. Multiplied by 1.10 is 2112sqft. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Consult your local building department for specific nailing applications. The main drawbacks are cost and the need to use capped fasteners. The paper should then be nailed in or stapled every three to four inches across. It has a heavy-duty, anti-jam stapling mechanism and magazine that loads from the bottom of the handle. However, the cost varies depending on the size and brand of the product. 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. When nailing shingles, proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. 4.6 out of 5 stars 94. Once this course is laid, you can begin snapping horizontal chalk lines up the roof to ensure straight rows. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. So in terms of quantity, a roofing roll is about the size of one composite . Synthetic Roofing Felt, do not use nails or staples without caps. Various nail shank types for different requirements. The added depth that roofing felt nails provide makes them slower to install. This makes it 320 nails per square foot. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. Roof felt is available in weights of 15 or 30-pounds per 100sqft. Repeat until the roof is covered. They are the most basic type of roofing nail and cheaper than the other two options. Easier roll-out with less sticking. So for the 24 square roof example, you would need 2.4 rolls of synthetic underlayment, or 6 rolls of regular #15 felt. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. These factors above determine if your nail or staple underlayment is good enough to hold your roof. So, with rounding, youll need 10 rolls of 15 pound felt or 20 rolls of 30-pound felt. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. If you use the same shingle and add the nail back in a different spot, youre leaving behind a hole where the nail once was. If you were considering using screws for their extra security, consider ring shank nails instead. Then they nail it along the edge every 6 to 10 inches. The gasket is rubber, not plastic. Thats a bad idea. To calculate the slope or grade of your roof, youll need to measure the rise and run of your roof. You should check with your building code and local bylaws to confirm. The most common shingle roofing nail size is 3/8 inch diameter with a 1-1/2 or 2-inch length. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. They are easy to install and are unique in their work and functions. 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. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. Drip edges on the eaves, any valley liners and all flashing should be installed before the tar paper is laid. Aug 15, 2010. It is quicker to install and can withstand winds and extended exposure better than felt. By the end of your read, you should know how to install felt underlayment for asphalt shingles. Roofing nails are a type of nail that is made specifically for use in the installation of the different parts of the roof, like the roofing felt, the shingles, sheet metal, flashing, or roof tiles. Tack the gable edge and tack the bottom edge and mid-line as you unroll. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. Roof felt is often called tar paper and is commonly used in similar ways, however, they are different. Professional Professional Tools & Support. This makes them the better option for most people. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. Roofing nail lengths are available in one to two inches. Haring holds a Bachelor of Journalism from the University of Missouri. Tack about every 4 on gable edges and 8 or so everywhere else. 2. Nails will also be required for any roofing project. (Follow Correct Way)Continue. It helps protect the sheathing and the shingles and commonly has parallel lines printed on it that make shingle placement easier. A ring shank nail is also called an annular roofing nail or corrugated roofing nail. . Length: 1" - 3". Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. So if youre on a budget, staples may be the way to go. Point: diamond or blunt. They can also be overdriven or even underdriven. If your building codes require thicker sheathing, youll need 1 -inch nails. One of the essential factors is selecting a suitable fastener! For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . For slopes greater than 4/12 a single layer of felt is acceptable. Pull the felt tight so that it lies flat and straight. What Type of Nails for Felt/Underlayment? Both felt nails and staples require minimal maintenance. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your roof. This is because they are faster and easier to install than nails. Visit the officia. Most of the time, staples do not hold down the roofing felt paper or materials well enough in such areas. Conclusion Installing a roof is much more than just nailing shingles onto some boards. Roofing felt products should not be glued to the decking in lieu of using nails or screws. The cost of your roofing nails will depend on a few factors, including material, type and length. 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. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. Roofing felt isnt designed to be left exposed to the elements. This is essential in windy conditions or in areas that experience severe weather conditions. Uneven strips and wrinkles can allow dust, moisture and mold to develop. In addition, both require similar tools for installation. In normal wind zones the nails should be driven at 6.0 O.C. 8D nails are considered standard for OSB roof sheathing materials. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Overlapping sheet, shed felt adhesive sticks, felt to felt. 3. Limited time deal. The next step is to cap the ridge. Another benefit of roofing staples is that they cause less damage to shingles than nails. Nail shank diameter should be at least 11-12 gauge for roofs. Tags Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. Give it the essential venting. The heavy-duty felt or paper is saturated or coated with bitumen. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. In terms of durability, felt nails are more durable than staples. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. Heavier roll weight. 3. If you take off a shingle for repairs or take off the whole roof in preparation for a reroofing job, youll have a ton of roofing nails on hand. Aside from the lightweight of the roof staples, it is highly inexpensive and cost-effective, which is one of the reasons why most individuals or companies prefer to use them. If the guide was helpful, please share it with others. This can be done prior to tacking or afterward. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . The steps are pretty much the same whether its a big roof or a small one. Start at the lower gable edge of the roof deck and work upward. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof.

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