The answer depends on the thickness of the plywood and the building code. 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. Clout Nails for Roofing Felt Nails With Larger Flat Head Nails and staples are standard roofing underlayment options that you can use on all building products. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). What size roofing nails should I use? - Kyle's Garage An excerpt of Table R803.2.3.1 is shown below. Its always better to have too many nails to nail shingles than not enough. Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the decking. For slopes greater than 4/12 a single layer of felt is acceptable. 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. Galvanized nails are also available in a variety of lengths and sizes. In terms of durability, felt nails are more durable than staples. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. Heavier roll weight. 1 (19) 240 (1) 250 . Staples can be used for tacking it down, but not recommended to hold. Roof Underlayment Requirements & Recommendations - is roofing felt Each higher number in the penny system represents a 1/4-inch length increase, up to a 12d nail (3 1/4 inches long). Point: diamond or blunt. For asphalt roofing shingles, use galvanized nails. Local codes may have different requirements, and shingle manufacturer warranties often specify underlayment requirements, so check them out too. Before laying roof felt, all rotten decking must be replaced. 2 1 Overlap the corner by enough to trim the edge of the end shingle properly. Each run of shed felt should overlap the next by at least 7.5cm. Specification Material: carbon steel, stainless steel, aluminum, copper. Roof slopes from two units vertical in 12 units horizontal (17-percent slope) and . Cap nails or nails with a 3/8-inch head are also a good choice for roofing felt, as theyre less likely to come loose over time. Its general knowledge that nail roofing felt, and staples are almost the same and give desired results: securing or holding the roofing felt. With 1000 per box, the 1/4 length is ideal for tacking roof underlayment. Rolled roofing is easy to obtain and can be found at all home improvement stores. Upper lengths of edge flashing should overlap lower lengths by a minimum of 6. A tape measure and chalk line are needed for snapping the guidelines on the roof. Consult your local building department for specific nailing applications. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. Cut the extended eaves drip edge flashing between the roof leg and vertical leg at a 45 or 90 angle to the rake edge. $3.19 $ 3. Length: 1" - 3". How Many Nails Needed For Roofing Felt? | Easy Living Mom The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Your area can also affect the number of nails needed for your roofing project. Roofers tend to use the roofing nails they already have on hand to install flashing. In this guide well discuss what roofing felt is, why it is necessary, and the different types of underlayment. Other Materials 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. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. The average roll of 15-pound roofing felt covers about 400 ft2, or 4 squares, while the average roll of 30-pound roofing felt covers about 200 ft2, or 2 squares. You may want to wear work gloves to avoid injuring your hand or developing blisters. There are two ways to measure the size of a roofing nail diameter and length. In addition, the chances are that You can install staples incorrectly or inaccurately. Of course, if you find yourself overwhelmed by the planning, preparation, or execution, you can reach out to professionals in your area. This way, you can avoid making multiple trips to the store for more supplies. 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. As you work, the paper can be tacked down in the center so it wont blow away. They are also available in both hand-drive and pneumatic versions. Roofing nails are the most common type of fastener used to attach asphalt shingles to the roof deck. Uneven strips and wrinkles can allow dust, moisture and mold to develop. Roofing Best Practices: How to Install Roof Sheathing | Pro Builder Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. There are two methods of galvanizing nails: hotdipped and electrogalvanized. Most professional roofers use staples instead of nails when installing roof felt on larger roofs. The head diameter is typically a standard 3/8-inch for all roofing nails. On the other hand, Roof nails have a more substantial and extended holding strength. This is because a roofing nail has high holding power, unlike its counterpart. Smooth application of the roofing paper will help you achieve a smooth installation of the shingles. Should I use adhesive or nails when constructing a super shed - IKO 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. However, the process can be tedious, as you must constantly stop and reload the nail gun, adding more time to your roofing project. They are waterproof or water-resistant and provide additional protection and a barrier against moisture penetration. The most common include galvanized roofing nails and aluminum roofing nails, but you can also find copper and stainless steel roofing nails. Some roofers recommend laying a strip of adhesive rubberized membrane over the drip edge at the eave as an added protection. Felt nails have a higher holding power compared to staples. Installing roofing felt is the first step to shingling the roof deck and is an additional layer of protection for the roof. To ensure we feature the products available in your area, please select your country and state/province. A nail gun is the best way to install roofing felt nails. What Size Nails For Roofing Sheathing? - Roof Critics This makes it 320 nails per square foot. For roof slopes greater than 4/12, multiply the area by 1.10 to account for the 2 overlap and potential waste. This is a fabric impregnated with asphalt to form a moisture barrier. So, choose these nails where performance, especially wind resistance, is a priority. Whatever the cause, its important to fix any nail pops in a roof to prevent damage. Overlapping sheet, shed felt adhesive sticks, felt to felt. You dont need to use cap nails or another special type of nail for this purpose. HousingHow Roofing Roofing Felt Nails Or Staples? NOTE: Not all products featured will be available in your area. Have a helper ready to assist with this step, and take care to get the lines straight and clean. The overhang to the next strip should be 3/8 inch. IKO manufactures products for specific areas in North America. Roof felt is available in weights of 15 or 30-pounds per 100sqft. If you were considering using screws for their extra security, consider ring shank nails instead. Unroll the start of the first course, align with the edges and chalk line, and tack down the gable edge. A roof certification is a significant component of the overall roof maintenance management and significantly benefits homeowners. Lay it over metal flashing edges around vents and pipes. The average 3-tab shingle needs four nails per shingle. The most common width is 36", although they are sometimes available in other sizes. Type 304 Stainless Steel Nails - These are the middle of the road and also only recommended for indoor use, as they are rust-resistant but not rust-proof. The first course commonly extends past the lower edge of the sheathing by 1/2 or to cover the drip edge. This article will explore the pros and cons of each technique to help you make an informed decision for your next roofing project. You should use 12-gauge or thicker. The standard size for roofing felt paper is categorized into four. The downside of roof nails is that they are bulkier and prone to multiple jams while working with them. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. You can find each of the three types of roofing nails in the three materials we list below. In this case, youll want to use roofing nails made of robust materials such as steel or aluminum. However, you may find they are more expensive. How To Properly Install Roofing Felt at RoofingFelt.org FREE delivery Tue, Feb 21 on $25 of items . Thats a bad idea. The information on this website is subject to change without notice. Design depends on type of metal roof: exposed or hidden fasteners; board and batten (pan and ridge) panels; shake and shingle panels; panel or tile system; standing seam; etc. Overlapping roofing felt protects the roof deck from seepage, wind-driven precipitation, and ice-dam back-up. -A 3/12 roof measuring 20x48 per half is 960 for a total area of 1920sqft. The puncture must be complete so that the whole diamond tip is past the wood. Tack it in place at the corner, with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof deck, over the drip edge. Amazon.com: Roofing Felt Nail every 8 to 12 and about 1-1/2 in from the outer face of the drip edge. Unroll the first course beginning at one gable edge and rolling to the opposite edge. How to Properly Install Roofing Felt on a Shed, Garage or House This is helpful when you have a large roofing project. The most distinguishing feature of a roofing nail that sets it apart from other types of nails is the size of its head. 8D nails are considered standard for OSB roof sheathing materials. Roof Felt - Roofing - Building Materials | Wickes Staples or Nails? Choosing the Right Fastener for Wall and Roof Roofing staples are a fastener to secure roofing felt or tar paper to the roof deck. Step 11 Repair any areas inside the house that were damaged by the leak, and enjoy your dry house! Here at Roofing Superstore, we've put together a guide outlining the different types of roofing nails, and which materials they work best with, so read on. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof. Work up the roof to the peak and fold felt over the top, overlapping at least 3 inches and fasten it on both sides. That depends on the exposure and coverage of your shingles. Sheradised Square Twist Nails are invalueable when working with timber construction. Roofing nails that are 11- or 10-gauge are also allowed by most building codes as they are thicker and sturdier. By Maria Goudiss. So for the 24 square roof example, you would need 2.4 rolls of synthetic underlayment, or 6 rolls of regular #15 felt. Ensure theyre long enough to penetrate through the felt and the roof decking. The numbers refer to the actual weight of the felt. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. 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. Conclusion How to felt a shed roof - YouTube For low slope roofs mark every 17 and snap a chalk line from gable to gable. It also doesnt wrinkle when wet or crack and split in the cold. As always, your comments and suggestions are appreciated. . If you need to install new roof decking or OSB, youll need to nail it to the roof truss. The most common size is 3/8 inch diameter with a 1-1/2 or 2-inch length. For example, when using Cambridge shingles, youll use roughly 240 nails, because of their Advantage size.