In your building codes and international building codes, nails may be referenced as fasteners along with staples and screws. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. In addition, the chances are that You can install staples incorrectly or inaccurately. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. 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. By the end of your read, you should know how to install felt underlayment for asphalt shingles. It starts with installing solid decking, usually plywood or oriented strand board, but that is not waterproof. The number of nails youll need for your roofing felt will depend on a few factors. IKO manufactures products for specific areas in North America. Eugene has been a DIY enthusiast for most of his life and loves being creative while inspiring creativity in others. Overlaps will typically be minimum 50mm and will depend upon the slope of the roof. FREE delivery Tue, Feb 21 on $25 of items shipped by . However, the size differs depending on the application and the local building codes. High wind areas and other types of shingles may need more. While this may not be a concern for some homeowners, others may find that staples are not as aesthetically pleasing as nails. Sheathing under metal roof - GreenBuildingAdvisor Make sure the nails are embedded securely into the felt and wood sheathing. Due to the low slope, the felt needs to be doubled. 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. Fasten drip edge on eaves. In most jurisdictions, building codes require using nails for roof shingles. For low slope roofs mark every 17 and snap a chalk line from gable to gable. Drip edge flashing has three distinct parts and typically comes in 10 lengths. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. The longer it is left uncovered, the more it will weather and fade. Rolls of felt are typically 36 wide, and low slopes require 19 overlaps. We have the following; 3/8 x "3/8 7/16 x 1 - 1/2 1/2 x 5/16 1 x 5/8 For galvanized roofing shingles, they make use of a 16 gauge shank. Installing New Shingles Over Old Shingles | DoItYourself.com This is because each nail needs to be driven individually into the roof. You may be tempted to reuse these to save on costs. Staples are faster but lack the holding power of nails. Watch our step-by-step video showing how to felt a shed roof, with expert advice and top tips to help you complete the job with confidence. Start at the lower gable edge of the roof deck and work upward. Nails that didnt fully penetrate the sheathing may work their way up over time. At intermediate supports, fasten panels 12 inches on center. 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. 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. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). 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. Heavier roll weight. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. This is because the staples are smaller and have a smaller head, which means they pierce the shingle less. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. It also doesnt wrinkle when wet or crack and split in the cold. Estimating your roofing materials is key to your success, so youll want to know how many nails youll use in a square. The drip edge is nailed every 8 to 12 with 1 roofing nails, and the ends project 3/4 past the rake or gable end. 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. This can cause your roof to leak. The hotdipped method results in a thicker layer of zinc that lasts longer, so they are preferred. 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. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. 2004-2023 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. Wood splinters should also be pulled out for a smooth, clean decking surface. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! Rolls of felt are 36 wide x 144 long for 15# and 72 long for 30#. 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. 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. 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 . For slopes greater than 4/12 a single layer of felt is acceptable. Consult your local building department for specific nailing applications. Unfortunately, when it comes to asphalt shingle roofs, they fall short in having enough holding strength. Before laying roof felt, all rotten decking must be replaced. When the shingles are installed the felt is not going anywhere. Multiply the width by the height for the square footage of each section, then add the . Starting at the eave, a 19-inch (483 mm) strip of underlayment shall be applied parallel with the eave and fastened sufficiently in place. Roofing felt nails like cap nails are generally more expensive than staples. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. Today, the penny system refers specifically to nail length. Thus, you have to carefully plan the shingle and sheathing thickness and also the length of the nail. Dry sheathing and felt paper also help ensure a watertight roof in severe climates. 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. In high-wind areas, more fasteners may be required. (Must Read This). Therefore, settling to use any of your options depends mainly on the slope of the roof of the building they are being installed on. Tack about every 4 on gable edges and 8 or so everywhere else. 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. 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. The main drawbacks are cost and the need to use capped fasteners. Thats a bad idea. 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. Have a helper ready to assist with this step, and take care to get the lines straight and clean. Square cap nails may have a smooth or coiled shank. This makes it 320 nails per square foot. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. So for the 24 square roof example, you would need 2.4 rolls of synthetic underlayment, or 6 rolls of regular #15 felt. However, this is a detriment to the roofs performance. On the rakes or gable ends, the drip edge goes on top of the felt, helping to seal the end and prevent moisture penetration under the shingles. Call the team on 01752 692760 or use the . Heavyweight asphalt shingles commonly have a longer service life. Point: diamond or blunt. Its not wise to attempt to reuse them, as they may cause problems on the new roof. How to felt a shed roof - YouTube The answer depends on the thickness of the plywood and the building code. However, a roofing air nailer or air plasti-cap nailer are almost as quick. 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. Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. This goes a long way to bring to light how durable nail roofs are. removing the shingle and installing a new shingle, choosing between a nail gun and a roofing hammer. What size roofing nails should I use? - Kyle's Garage A 2d nail is 1 inch long, for example, while a 16d nail is 3 1/2 inches long. Use the nails with or without plastic caps. Roofing Nails | Nails | Screwfix Staples are also not as durable as nails and are more likely to come loose in high winds. A range of roofing nails to cater for all of your applications, we have shed felt nails, cut clasps, clouts and annular ring nails. For best performance, you should use ring roofing nails that are made of hotdipped galvanized steel. A ring shank nail is also called an annular roofing nail or corrugated roofing nail. Synthetic Roofing Felt, do not use nails or staples without caps. Use a utility knife or hook-bladed knife to cut the felt. This inarguably depends significantly on the type of nails used. They arent connected, as they are with screws. Rolled roofing (or roll roofing)also known as MSRcomes in rolls of 100 square feet. He is passionately interested in home improvement, renovation and woodworking. Choosing the suitable fastener for your roof or shingle is dependent on four factors; the type of fastener, correct installation, placement, and holding strength. If you have any further unanswered questions or want to know more about the best roofing nails for your project, don't hesitate to get in touch. Every time there is a gust of wind, we rely on the nails weve chosen to hold new shingles in place. They also go against most building code error codes and local building authority standards. Typically 2 to 3 days will be required for this. Holding power is essential, especially if you live in areas with high winds. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance. (Follow Correct Way)Continue. Since retiring he has written freelance stories and a weekly computer security column. Easier roll-out with less sticking. These factors above determine if your nail or staple underlayment is good enough to hold your roof. #12 x 1 in. Plastic Round Cap Roofing Nail (3,000-Pack) You should use 12-gauge or thicker. If you are not sure what size of nails to use for your project, you can always consult the building department in . As always, your comments and suggestions are appreciated. of the face of the lower-course shingle on the other side of the corner. This is How Far Apart Should Newel Posts Be! Installing roof felt is a two-person job. Using roofing nails and roofing staples are common methods. Is it necessary to use adhesive? Steel makes for strong nails. Staples are faster and easier to use as an underlayment. Fasteners should be long enough to penetrate at least 3/4" (19 mm) into wood decks or just . Which roofing nails do I need? - Roofing Superstore Help & Advice However, as roofing nails will usually be hidden by the shingles above them, steel nails dont detract from the look of the roof. In addition, the manufacturer's instructions should indicate which side of the roofing felt goes down if that matters for the specific product. 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. Therefore, you have to plan out your sheathing thickness, shingle thickness and nail length carefully. This means they will last longer and not rust as easily as staples. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. They have a square-shaped head, instead of the more typical circular head you see on other nails. Roofing nails are the most common type of fastener used to attach asphalt shingles to the roof deck. It also helps the roof sheathing by preventing leaks and extending its lifespan. Nails can pop above the roof surface for a number of reasons. The gasket is rubber, not plastic. All of these methods could allow water through the roof. Roofing felt isnt designed to be left exposed to the elements. 4.6 out of 5 stars 94. First, its available capacity load, adjustable drive depth, and universal design make compatibility easy: the nails and the shingle. Measure the length from edge to edge and the eave to ridge, and multiply the values for the area of half the roof. They are also available in both hand-drive and pneumatic versions. With that said, lets explore your roofing nail options and which is best for your next roof. For the lower . The nails should be spaced 6 to 8 inches apart, so the total number of nails you will use will depend on the size of the roof. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. This is because they are faster and easier to install than nails. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. The heavy-duty felt or paper is saturated or coated with bitumen. Sometimes homeowners put in new nails when trying to attach something on the roof. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Some roofing felts are actually glued down. Staples are typically made from aluminum or other metals that are not as durable. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. . NOTE: Not all products featured will be available in your area. It is quicker to install and can withstand winds and extended exposure better than felt. Roofing vs Framing vs Siding Nailer - Fine Power Tools The roof leg has one to three ridges to slow moisture movement, the smooth vertical leg sheds water, and the kick-out pushes it away from the facia. Professional roofers look for the correct length because they want the nails to puncture the decking entirely. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamondshaped point. Running a flat bottom shovel along the roof decking will help you find any stray nails that should be pulled. This website uses cookies to provide necessary functionality and to improve your online experience. Tar paper, #15 felt, use staples or nails? - Roofing Talk For larger projects, youll need to use bigger nails so that they can better support the weight of the roofing felt. The length of nail you use depends on the thickness of the sheathing and shingles you use. In addition, roof staples are affordable, easy to work with, and can be used for diverse building projects. 3. Roll out the first course, tacking it down as you go. Trim the felt, so it is flush with the face of the drip edge. What Size Staples Required for 30lb Felt? Add 10% to the shingle estimate to account for waste. Tack the next course or layer into place. Pull the felt tight so that it lies flat and straight. How Long Are Roof Nails. Head: flat round. Many factors have influenced the shift from using felt nails in modern times. Roofing nails are available in lengths ranging from one to two inches. 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. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. 8D nails are considered standard for OSB roof sheathing materials. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Felt nails are more expensive than staples. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Divide the total footage by 100 to determine the number of "squares" in the roof. 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. Most roofers use four nails per shingle and five nails for each roofing felt square. So, choose these nails where performance, especially wind resistance, is a priority. There will be a tiny gap on one side of the nail or the other. There are a couple of different ways to attach felt. Your area can also affect the number of nails needed for your roofing project. Other Materials However, this doesnt rule out staples entirely. Finished Product We'd love to see how your project to replace roofing felt turned out! The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. Most domestic shed roofs will require at most two runs of felt before they come to the ridge. Check the requirements for the roofing material that will go over the felt. The added depth that roofing felt nails provide makes them slower to install. Is Roofing Felt Necessary on a Shed? - Plasticine House Roll the first large piece of felt over one side of the roof, allowing the excess to overhang. On the other hand, staples are larger and more visible. Roofing nail lengths are available in one to two inches. Recently, things have changed as staples are no longer fancied or used as roofing felt underlayment. They are also less likely to leave behind unsightly marks on your top. The roof decking should be completely clean and dry. Another benefit of roofing staples is that they cause less damage to shingles than nails. HousingHow Roofing Roofing Felt Nails Or Staples? Fasten drip edge on eaves with galvanized nails and a hammer, about 12 inches apart, before laying roof felt. Simply put, smooth shank nails have a smooth shank. Installing the roofing felt does take care, but can go very quickly. This is because staples are more likely to rust and break over time. Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. Paper can be fitted around vent pipes by cutting a slit and then putting it over the pipe. In addition, staples create a neater finished look. PDF Roof Assemblies - Florida Building Continue along the roof to the other end and trim the felt flush at the end with a utility knife. Haring holds a Bachelor of Journalism from the University of Missouri. Leave the top portion of the paper loose. The best roofing nails for 7/16 sheathing are 3/8-inch to 7/16-inch diameter. The numbers refer to the actual weight of the felt. Shank type: smooth, ring, screw. Each higher number in the penny system represents a 1/4-inch length increase, up to a 12d nail (3 1/4 inches long). They can also be unsightly if they rust or break over time. Consider other underlayment options as needed, such as rubber or tar products. Roof Felt. While it is common to find nails with a shank diameter of 13 inches, they cannot be smaller than 12 gauge (2.67mm) and still comply with the IBC. The information on this website is subject to change without notice. This means they may lose over time, especially in high winds or severe weather conditions. Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. As a result, most local building authorities have banned staples for roofing. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. The paper should then be nailed in or stapled every three to four inches across. What Size Of Roofing Nails Should I Use - MasterYourNails.com
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