Due to these, Read More Plywood Under Deck Boards! Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. They can also be overdriven or even underdriven. No matter what fastening system you choose, follow the manufacturers instructions carefully to ensure a successful installation. 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. It must be covered with waterproofing membrane, usually "roof felt," also called tar paper. . This article will tell you how to install, Read More Roof Sheathing Horizontal Or Vertical (Must Read)Continue, Its one thing to decide on anchoring Newel posts to the foot of your stairs and another to know the right distance, Read More This is How Far Apart Should Newel Posts Be!Continue, Plywood is a type of wood made from several stacks of other woods. Steel makes for strong nails. 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. Choosing longer rolls will allow you to cover more roof surface with fewer seams. What size nails for OSB sheathing? Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. They are widely used and have been recognized as effective methods of holding roofing felt or underlayments and can be used for several small-scale buildings or larger building projects. 3. Roofing staples have a broad, flat head that helps to keep them in place and prevent them from pulling through the roofing material. All rights reserved. #30 Asphalt Saturated Underlayment Benefits. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Chalk lines should be snapped 33 5/8 above the eave line. Use the nails with or without plastic caps. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. Installing the roofing felt does take care, but can go very quickly. What Size For Roofing Felt? Overlaps will typically be minimum 50mm and will depend upon the slope of the roof. Most domestic shed roofs will require at most two runs of felt before they come to the ridge. Heavier roll weight. Attach or tack roofing felt to galvanized or aluminum 12-gauge roofing nails with a 3/8" head diameter with stainless steel staples 1*4" to 12" T50 staples or 7/8" staples to 1/2-inch hot dipped galvanized or aluminum nails. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. Installing a roof is much more than just nailing shingles onto some boards. 1 (19) 240 (1) 250 . Roofing felt is a type of underlayment that professionals install beneath a roofs shingles. Continue along the roof to the other end and trim the felt flush at the end with a utility knife. They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. Cost is an essential consideration for home improvement projects. Read More What Does A Roof Certification Cover? This 400g pack of joist hanger nails from Wickes are designed to secure joist hangers in roofing, ceiling, flooring and decking work. If there are hips, valleys, or dormers, increase the total by 10 to 25%. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. Roll out the rest of the course, tacking along the center as you go. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. Use a utility knife or hook-bladed knife to cut the felt. Fortunately, galvanized roofing nails and steel nails pass the building code test. So, with rounding, youll need 10 rolls of 15 pound felt or 20 rolls of 30-pound felt. Check the requirements for the roofing material that will go over the felt. What Type of Nails for Felt/Underlayment? Many factors have influenced the shift from using felt nails in modern times. The added depth that roofing felt nails provide makes them slower to install. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. Step 4 Prepare for the Shingle Installation Add 10% to the shingle estimate to account for waste. The next step is to cap the ridge. 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. If required by code, wind conditions, or just regular practice, use plastic capped roofing nails. However, this is a detriment to the roofs performance. However, both fastening systems are durable and will last for many years with proper care and maintenance. Tags As a bonus, roofing staplers are easy to handle and do not require many repairs. If you are not sure what size of nails to use for your project, you can always consult the building department in . And while they may seem pretty straightforward, there are various factors to consider when choosing the suitable roofing materials and methods for your project. For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. 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. Fit felt around vent pipes or other protrusions by cutting it with a utility knife and fastening around the bottom of the vent. Felt nails are less visible than staples. This is because the nails are small and blend in with the paper backing of the roll. Sheradised Square Twist Nails are invalueable when working with timber construction. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. Roof nails go deep into the roofing shingles and the roof decking, providing a firmer grip and preventing the asphalt from sliding around. When the shingles are installed the felt is not going anywhere. This should be laid before the first felt is applied. The paper should then be nailed in or stapled every three to four inches across. Roofing felt underlayment before installation often corresponds with the local building codes and makes it easier to keep insects, vectors, and even dust particles away from the building. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. Shank diameter. One MSR roofing roll is usually about 36 feet long by 36 inches wide. All nails and staples should be placed on the lower half of the paper. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. Roof Felt Underlayment to Protect Your Home From the Elements For steel, this means stainless steel or galvanized steel. "World." Back in the day all I used was staples and /or roofing nails now plastic tops . However, most roofers prefer staples because they are less expensive, have outstanding holding power, and enable roofers to work faster by covering an extensive space with their compact collection. Place your nails in a plastic cap or one with nails. Professional Professional Tools & Support. You may be tempted to reuse these to save on costs. They install it by tacking one end, rolling it out, and centering it on the ridge. 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. Mark every 34 or 33 and snap a line across the deck for 2 or 3 overlaps on slopes greater than 4/12. 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. The heavy-duty felt or paper is saturated or coated with bitumen. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. In addition to these, nail felts are made from steel and used only to secure the roofing felt underlayment. Therefore, you have to plan out your sheathing thickness, shingle thickness and nail length carefully. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? (A Beginners Guide) Done. Head diameter: 0.55" - 0.79". Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. Although this is admittedly a matter of opinion, many people feel that nails provide a neater appearance than staples. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. Lay it over metal flashing edges around vents and pipes. We'd recommend nailing from the centre of the edge of the sheet and working outwards. The length of nail you use depends on the thickness of the sheathing and shingles you use. Pull the felt tight so that it lies flat and straight. Professional roofers look for the correct length because they want the nails to puncture the decking entirely. 18 ($1.06/Sq Ft) $11.99 $11.99. This can be done prior to tacking or afterward. Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. 1 Use a sharp knife to trim that shingle to within about 18 in. A ring shank nail is also called an annular roofing nail or corrugated roofing nail. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. This provides short-term protection and serves as a waterproof so that water or moisture does not move below the tiles or shingles. It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. Conclusion They can also be unsightly if they rust or break over time. It also helps the roof sheathing by preventing leaks and extending its lifespan. This is essential in windy conditions or in areas that experience severe weather conditions. Corrosion resistant to ensure they last over time, and for use where strong joints are required. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. Tack or fasten roofing felt using stainless steel " to " T50 staples or 7/8" to 1-1/2" hot-dipped galvanized or aluminum 12-gauge shank roofing nails with a 3/8" head diameter. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. Roofing felt nails like cap nails are generally more expensive than staples. As a result, most local building authorities have banned staples for roofing. 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. 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. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . This is a fabric impregnated with asphalt to form a moisture barrier. Make sure the nails are embedded securely into the felt and wood sheathing. The T-50s are compatible with most brands of staple guns or hammers. They are easy to install and are unique in their work and functions. In normal wind zones the nails should be driven at 6.0 O.C. Before securing the end of a row, take time to walk the row, smoothing out any rough spots and matching up the snapped chalk lines. Sheathing that gets wet before the roofing material can go on should be allowed to dry thoroughly before continuing. Staples are faster and easier to use as an underlayment. Aluminum is a weaker metal than steel and copper. This is helpful when you have a large roofing project. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. Do the other side of the roof the same way, also with an overlap at the peak. Your area can also affect the number of nails needed for your roofing project. Head: flat round. With that said, lets explore your roofing nail options and which is best for your next roof. The first course or starter strip is a 19-inch width of felt, and the next course overlaps it fully. Felt provides a breathable, water-resistant membrane that helps shed moisture that makes it past the shingles. Construction stapler or plastic washer nails. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. They may or not allow staple roofing felt. 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. By the end of your read, you should know how to install felt underlayment for asphalt shingles. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Roll out the first course, align it, tack it down with galvanized nails or staples, and cut it to size. So in terms of quantity, a roofing roll is about the size of one composite . Follow manufacturers instructions when choosing nails. Give it the essential venting. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. Fasten drip edge on eaves. Repeat as necessary. 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. They arent connected, as they are with screws. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. This makes it 320 nails per square foot. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. Roofing nail lengths are available in one to two inches. Copper is strong and naturally resists rust and corrosion. However, the cost varies depending on the size and brand of the product. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. The two main types are roofing felt 15 and 30. Both felt nails and staples are great fastening systems for roofing projects. That depends on the exposure and coverage of your shingles. Put fasteners at least every 8 inches; some suppliers recommend staples about every 4 inches. This is because staples are more likely to rust and break over time. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! Consult your local building department for specific nailing applications. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. However, a roofing air nailer or air plasti-cap nailer are almost as quick. Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof. As its many names suggest, this type of nail has rings along the shank. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. Your attic needs to breathe. It is versatile, strong, and affordable. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. For slopes greater than 4/12 a single layer of felt is acceptable. Galvanized nails are also available in a variety of lengths and sizes. This is because a roofing nail has high holding power, unlike its counterpart. 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 reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas. Package A nail gun can be used to quickly install some nails to the roofing paper wont slide around. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Plywood Under Deck Boards! Tar paper is infused with tar, and roofing felt with a bituminous substance granted, a semantic difference as both are petroleum-based products. Determine the bundles of shingles needed to cover the roof. This can cause your roof to leak. Roof Felt. 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. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. Point: diamond or blunt. Rolls of felt are 36 wide x 144 long for 15# and 72 long for 30#. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. Using roofing nails and roofing staples are common methods. Overlay a second layer of felt 2 to 3 inches and fasten it through the overlay so it secures the top of the felt underneath. Of course, if you find yourself overwhelmed by the planning, preparation, or execution, you can reach out to professionals in your area. Leave the top portion of the paper loose. If you need to install new roof decking or OSB, youll need to nail it to the roof truss. 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. -A 5/12 roof deck 4x 8 is 32sqft x 1.10 = 35.2sqft. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. Rolled roofing (or roll roofing)also known as MSRcomes in rolls of 100 square feet. Many metal roofing dealers specify minimum of 7/16" sheathing. Note the differences in the specification and length of the fasteners as well as the nail/staple patterns. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. If youre using typical architectural shingles and 3/8-inch-thick sheathing, youll need 1inch nails. Avoid using cement on the roofing felt, especially if you plan to re-shingle the roof that day. The overhang to the next strip should be 3/8 inch. The lower edge will need to be trimmed to the drip edge. Paper can be fitted around vent pipes by cutting a slit and then putting it over the pipe. Roofers tend to use the roofing nails they already have on hand to install flashing. Even if it is imperceptible to you, water will find it. The International Residential Building Code (IRC) states two layers of felt for slopes between 2/12 and 4/12. Divide by 432 or 216 depending on the weight of felt for 4.89 rolls of #15 or 9.78 rolls of #30 felt. To determine how much felt is required for a roof, find the area of the roof deck to be covered. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . This will help keep any moisture from getting under the felt. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Fasten drip edge on eaves with galvanized nails and a hammer, about 12 inches apart, before laying roof felt. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. Nails and staples are standard roofing underlayment options that you can use on all building products. Because they are less secure than nails, staples are more likely to lose over time. You cannot use screws for roofing shingles, only roofing nails are approved fasteners. If your building codes require thicker sheathing, youll need 1 -inch nails. Use four roofing nails per shingle, as indicated on package instructions (six nails in high-wind areas). For asphalt roofing shingles, use galvanized nails. Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. (A Beginners Guide) DoneContinue, Roofing Felt Nails Or Staples? They are the most basic type of roofing nail and cheaper than the other two options. of the shingle tabs where the bottom edge of the tab meets the top of the cutout. Staples are faster but lack the holding power of nails. The M12 also has a functional belt clip which makes it easy to stow and free up your hands. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. Use stainless steel to T50 staples or 12-gauge shank 7/8 to 1-1/2 hot-dipped galvanized or aluminum roofing nails with a 3/8 head diameter. Perhaps they were underdriven in the first place. The rolls are typically either 50 or 100 feet long. 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.