Be sure the tar paper lies in flat strips that are absolutely smooth. The main drawbacks are cost and the need to use capped fasteners. Determine the bundles of shingles needed to cover the roof. Tack the gable edge and tack the bottom edge and mid-line as you unroll. 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. Give it the essential venting. They can also be overdriven or even underdriven. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. In addition, the chances are that You can install staples incorrectly or inaccurately. It effortlessly discharges up to 1500 staples per single 1.5Ah battery charge and has a power adjustment for different materials. If required by code, wind conditions, or just regular practice, use plastic capped roofing nails. The felt should be trimmed flush with the edge or 1/2 past to wrap the edge when the drip edge is placed. According to BS 5534, the nails used to fix battens to rafters should usually have a diameter of at least 3.35mm. Synthetic or non-bitumen underlay has become a popular choice with roofers over the past decade. The first course commonly extends past the lower edge of the sheathing by 1/2 or to cover the drip edge. This can be done prior to tacking or afterward. Otherwise, all new nails should be inserted so that they are covered by the shingle above them. In addition, both require similar tools for installation. However, a roofing air nailer or air plasti-cap nailer are almost as quick. 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. The overhang to the next strip should be 3/8 inch. . roofing company near me. 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. Roll the first large piece of felt over one side of the roof, allowing the excess to overhang. Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. You may be tempted to reuse these to save on costs. However, both fastening systems are durable and will last for many years with proper care and maintenance. Felt nails have a more secure grip on the paper backing of the roll. Like roofing nails, roofing staples are available in various sizes to accommodate different thicknesses of roofing felt. Measure the width and height of each section separately. However, this doesnt rule out staples entirely. Roofers tend to use the roofing nails they already have on hand to install flashing. 316 nails have elements of nickel, polymer and chromium . They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. Roof Felt Underlayment to Protect Your Home From the Elements What Size Staples Required for 30lb Felt? 3. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Steel makes for strong nails. In most jurisdictions, building codes require using nails for roof shingles. For all Owens Corning shingles, roofing nails should penetrate into the wood deck by a . As its many names suggest, this type of nail has rings along the shank. 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. With higher coverage, youll lay down fewer shingles in a square and therefore use fewer nails. 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. (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. However, felt nails edge out staples in terms of cost, hold, durability, and quality. Exposed nails are those with visible nail heads. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. 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. Nails will also be required for any roofing project. In addition, staples create a neater finished look. Corrosion resistant to ensure they last over time, and for use where strong joints are required. The most common width is 36", although they are sometimes available in other sizes. (on center) on both head and end laps. Start the roof felt at one bottom corner of the roof. The information on this website is subject to change without notice. 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. (Follow Correct Way)Continue. You may want to wear work gloves to avoid injuring your hand or developing blisters. Are you looking out for ways of preserving your roof rafters to enable them to stand the test of time? As a result, they are less susceptible to jamming and easily reload. This way, you can avoid making multiple trips to the store for more supplies. One MSR roofing roll is usually about 36 feet long by 36 inches wide. 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. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. It will protect the roof for about a month without shingles, provided it is fastened properly and it isnt too windy. 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. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. Rolled roofing is easy to obtain and can be found at all home improvement stores. The puncture must be complete so that the whole diamond tip is past the wood. Roofing felt is made of natural or synthetic materials such as wood cellulose, recycled cloth, fiberglass, or polyester. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. The longer it is left uncovered, the more it will weather and fade. This is because the staples are smaller and have a smaller head, which means they pierce the shingle less. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. 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.) Roofing felt is commonly used between roof deck sheathing and roof shingles. Cut it at the opposite gable edge, and roll out and staple the next course with the desired overlap. You can also install asphalt shingle roofs using either a staple or nailer. These have large plastic caps for heads, which help prevent water intrusion. For budget-conscious homeowners, roofing staples are the more affordable option. Most roofers use four nails per shingle and five nails for each roofing felt square. Multiply the width by the height for the square footage of each section, then add the . The reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. All nails and staples should be placed on the lower half of the paper. The added depth that roofing nails provide makes them less likely to come loose over time. 1. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. 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. $7.18 $ 7. Nails that didnt fully penetrate the sheathing may work their way up over time. That depends on the exposure and coverage of your shingles. Chalk lines should be snapped 33 5/8 above the eave line. The added depth that roofing felt nails provide makes them slower to install. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. High wind areas and other types of shingles may need more. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully. in normal wind zones. This makes it 320 nails per square foot. Another quality is its ability to withstand intense exposure to the sun over a long period. Roof nails are available in 12-, 11- and 10-gauge. Length: 1" - 3". Sheradised Square Twist Nails are invalueable when working with timber construction. The head diameter is typically a standard 3/8-inch for all roofing nails. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. Installing roofing felt is easy to install and is the first step to protecting your roof decking and home. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! The head diameter is typically a standard 3/8-inch for all roofing nails. In terms of durability, felt nails are more durable than staples. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. Call the team on 01752 692760 or use the . 5. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. Since retiring he has written freelance stories and a weekly computer security column. This makes them the better option for most people. 8D nails are considered standard for OSB roof sheathing materials. Plus, they may have been otherwise damaged. 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. There are certain qualities that roofing felt underlayment must possess. The standard size for roofing felt paper is categorized into four. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . The heavy-duty felt or paper is saturated or coated with bitumen. Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. Secure the shingles with the roofing nails. A nail gun can be used to quickly install some nails to the roofing paper wont slide around. Prevent Ice Dams It is versatile, strong, and affordable. Therefore, you have to plan out your sheathing thickness, shingle thickness and nail length carefully. The ridge cap used on this roof . As a result, roof nails can last for over 50 years, and most last for more extended periods provided the building is still standing. The T-50s are compatible with most brands of staple guns or hammers. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). For steel, this means stainless steel or galvanized steel. Uneven strips and wrinkles can allow dust, moisture and mold to develop. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. 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. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". Installing a roof is much more than just nailing shingles onto some boards. 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 gasket is rubber, not plastic. By using this website you accept our use of cookies and the. For most homeowners, aesthetics are essential when choosing a fastening system. You want roofing nails with plastic washers for roof underlayment. Use only plastic cap, corrosion-resistant nails or staples with plastic caps. If you take the time to properly prepare the roof, then laying the felt will be easy. Many manufacturers offer 10-year guarantees for felt. This is helpful when you have a large roofing project. Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it. Dry sheathing and felt paper also help ensure a watertight roof in severe climates. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. There are three basic types of roofing nails: The shank of the nail is the part of the nail that punctures through the material you are nailing. 1 Use a sharp knife to trim that shingle to within about 18 in. Visit the officia. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. Its not wise to attempt to reuse them, as they may cause problems on the new roof. 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. Fasten the field area in the middle of the roll a minimum of 24 O.C. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. Heavyweight asphalt shingles commonly have a longer service life. This will help keep any moisture from getting under the felt. Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. Follow manufacturers instructions when choosing nails. Due to these, Read More Plywood Under Deck Boards! We have the following; For galvanized roofing shingles, they make use of a 16 gauge shank. 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. This is because there is more surface area for the nail to grip. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak. Most domestic shed roofs will require at most two runs of felt before they come to the ridge. Copper nails are most often used on roofs with copper flashing and accessories. It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. Staples are also not as durable as nails and are more likely to come loose in high winds. Well explain how to install the roof felt and drip edge, and make some tool and material recommendations. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. To determine how much felt is required for a roof, find the area of the roof deck to be covered. The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. NOTE: Not all products featured will be available in your area. It is important to note that the nail and staple roofing felt have these outstanding qualities. Haring holds a Bachelor of Journalism from the University of Missouri. This 400g pack of joist hanger nails from Wickes are designed to secure joist hangers in roofing, ceiling, flooring and decking work. The answer depends on the thickness of the plywood and the building code. What Size Roofing Nail Should I Use. For the lower . Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the decking. As always, your comments and suggestions are appreciated. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). Factors such as type of fastener, accurate installation, placement, holding strength, and local building authority codes all influence why people choose nail or staple fastener for their roofing felt underlayment. However, on low-slope roof applications from 2:12 to 4:12, roofers may use . The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. 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. Nail every 8 to 12 and approximately 1-1/2 in from the outer edge. Measure the deck from the bottom to top for the number of courses of paper. Successive courses repeat the 19-inch overlap. This is essential in windy conditions or in areas that experience severe weather conditions. When ridge vent installation is performed correctly, the vent increases the home's energy efficiency and extends the life of the roof. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. 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. What Type of Nails for Felt/Underlayment? Heavier roll weight. 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. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. Jewelry Box Felt Liner, A4 Size (8.3" x 11.8", Black) 4.6 out of 5 stars 2,348. 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. Roll out the rest of the course, tacking along the center as you go. Never mount the felt paper on wet sheathing. Share this Post: Back to Home. However, you may need to replace staples more often than felt nails. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Head diameter: 0.55" - 0.79". There are a couple of different ways to attach felt. Due to the low slope, the felt needs to be doubled. The synthetic underlay has greater water-resistance and the no-slip coating offers better traction for installation safety. The sun makes the felt brittle and more susceptible to tearing, and rain causes it to ripple. A typical roll of 15-pound felt is 36 wide and 144 long and covers 432sqft. They install it by tacking one end, rolling it out, and centering it on the ridge. 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. Underlayment, also known as roofing felt or tar paper, is a layer of protection that roofers install between your roofing deck and the roofing shingles or tiles. The hotdipped method results in a thicker layer of zinc that lasts longer, so they are preferred. Construction stapler or plastic washer nails. There are fewer requirements for these nails than those used to secure shingles. They may or not allow staple roofing felt. Nail shank diameter should be at least 11-12 gauge for roofs. The penny system is an old way of classifying nails. Installing the roofing felt does take care, but can go very quickly. Holding power is essential, especially if you live in areas with high winds. 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. Repeat until the roof is covered. Dont tack the upper edge as it will be tacked down with the overlapping next course. Before laying roof felt, all rotten decking must be replaced. 320 nails will be needed to install a square of standard 3-tab shingles, assuming four nails per shingle and 80 shingles per square. What Type of Nails Should be Used with Shingles? Installing roof felt is a two-person job. Divide the resulting area value by the area one roll of 15 or 30-pound felt will cover, and round up as its sold in full rolls. Unlike selfadhering underlayments, such as ice and water protector, felt underlayment needs to be fastened in place with nails. Have a helper ready to assist with this step, and take care to get the lines straight and clean. Then they nail it along the edge every 6 to 10 inches. 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. Highly visible alignment lines. 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. The 30-pound roll is 36 wide by 72 long and covers 216sqft. 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. If the guide was helpful, please share it with others. The rolls are typically either 50 or 100 feet long. If you need to install new roof decking or OSB, youll need to nail it to the roof truss. 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. Even if it is imperceptible to you, water will find it. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. They are also less likely to leave behind unsightly marks on your top. In addition, the manufacturer's instructions should indicate which side of the roofing felt goes down if that matters for the specific product. Of course, if you find yourself overwhelmed by the planning, preparation, or execution, you can reach out to professionals in your area. Today, the penny system refers specifically to nail length. You may find roofing nails identified by their penny length. Make sure the nails are embedded securely into the felt and wood sheathing. Roofing felt nails or staples in time past was quite challenging to distinguish which of the two roofing options is better clearly. Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. Roofing felt products should not be glued to the decking in lieu of using nails or screws. It also helps the roof sheathing by preventing leaks and extending its lifespan. Felt nails have a higher holding power compared to staples. The felt should be secured every six inches with nails or staples. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Overlaps will typically be minimum 50mm and will depend upon the slope of the roof. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. Roofers seek to use just the right length of nail so that the decking (or OSB) is completely punctured by the nail. 2. However, aluminum nails are still used on asphalt shingle roofing by some roofers. Shed Roof vs. Gable Roof Comparison Guide. Where a roll ends and a new one is begun, the two rolls should be overlapped by four inches. On the other hand, staples are larger and more visible. As a bonus, roofing staplers are easy to handle and do not require many repairs. Roofing Nails Best Seller Grip-Rite #12 x 1 in. Bitumen is a waterproof mixture of coal-tar pitch or asphalt and other viscous and sticky organic liquids. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. Roofing nails are the most common type of fastener used to attach asphalt shingles to the roof deck. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamondshaped point. Place your nails in a plastic cap or one with nails. Tack the next course or layer into place. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. This means that using a staple to nails is four staples to 1 nail. 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. While nails are mostly used with asphalt shingles, staples can be used with various roofing materials such as fiberglass mat, roll roofing, and thatch. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. 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 . This is important since asphalt is a relatively soft and flexible material. As you work, the paper can be tacked down in the center so it wont blow away. Lay it over metal flashing edges around vents and pipes. 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. For example, when using Cambridge shingles, youll use roughly 240 nails, because of their Advantage size. 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. When protected by well-maintained shingles, the underlay will last between 20 and 30-years, or as long as the asphalt shingles. Even though nails also hold roofing materials in place, staples are often preferred because they have a solid visible grip. For low slope roofs mark every 17 and snap a chalk line from gable to gable. Some roofing felts are actually glued down. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing.