Roofing felt is commonly used between roof deck sheathing and roof shingles. On the flipside, if you rush through the initial steps, the felt installation can be compromised by sloppy oversights such as stray nails. The Purpose of Roofing Felt - Is Roofing Felt Necessary? - IKO Construction stapler or plastic washer nails. Two or more people are required to help roll out and straighten the paper during the process. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. $3.19 $ 3. What Size Of Roofing Nails Should I Use - MasterYourNails.com Most professional roofers use staples instead of nails when installing roof felt on larger roofs. As a result, they are less susceptible to jamming and easily reload. This inarguably depends significantly on the type of nails used. What nail is right for your roof? - Digital Roofing Innovations Use galvanised clout nails to nail the first sheet of felt onto the roof. If you are on a budget or are looking for a fastening system that is easier to install, staples may be the right choice. The overhang to the next strip should be 3/8 inch. Due to the low slope, the felt needs to be doubled. This can cause your roofing material to lift, making it more susceptible to damage in a storm. Choosing the right roofing nails and driving them properly is essential for getting the best performance out of your roof. Felt nails are usually made from galvanized steel, which is corrosion-resistant. If there are hips, valleys, or dormers, increase the total by 10 to 25%. What Size Roofing Nail Should I Use. Specification Material: carbon steel, stainless steel, aluminum, copper. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. This is because nails create a stronger bond than staples, making the roof more resistant to high winds and other severe weather conditions. Installing roof felt is a two-person job. 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. A nail gun can be used to quickly install some nails to the roofing paper wont slide around. Leave the top portion of the paper loose. The lower edge will need to be trimmed to the drip edge. The 30-pound roll is 36 wide by 72 long and covers 216sqft. On the other hand, staples are larger and more visible. What Type of Nails for Felt/Underlayment? The size and complexity of the roof decking affect how long the task will take, but regardless of size, most felt installs are similar. For slopes between 2/12 and 4/12, double the resulting area value and then divide by the area a roll of felt covers. That is why they are used for additional water tightness in extensive wind areas to reduce the chances of wearing and tearing. 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 you arrive at the rake, the paper should be cut flush with a knife and then adjusted to line up with the chalk line. This website uses cookies to provide necessary functionality and to improve your online experience. 4. It is important to note that the nail and staple roofing felt have these outstanding qualities. What Size For Roofing Felt? Roofers tend to use the roofing nails they already have on hand to install flashing. One MSR roofing roll is usually about 36 feet long by 36 inches wide. Add more felt if required Strips should always lay flat. This should be laid before the first felt is applied. The T-50s are compatible with most brands of staple guns or hammers. Staples or Nails? Choosing the Right Fastener for Wall and Roof They have a square-shaped head, instead of the more typical circular head you see on other nails. How to Install Roofing Tar Paper | Home Guides | SF Gate Clout nails should be 15mm large head clout nails. If you were considering using screws for their extra security, consider ring shank nails instead. Otherwise, all new nails should be inserted so that they are covered by the shingle above them. 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.) Most building codes regulate that at least a 12 gauge shank with a diameter of 3/8 head be used. Tar paper, #15 felt, use staples or nails? - Roofing Talk Both felt nails and staples are great fastening systems for roofing projects. Common nails, or even wood screws, may be acceptable nails for OSB roof sheathing. Where the felt isnt long enough to complete a course there should be a minimum of a 3-inch overlap. 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. They require high skills and concentration when used, and any mistake or inaccurate placement can cause severe damage to the entire roof. Once you understand what it does, and you know which one you need, you are ready to lay the underlayment for your roof. (Must Read This), Pressure Treated Lumber For Roof Rafters (Lets See), Roof Sheathing Horizontal Or Vertical (Must Read). Install the drip edge, so it projects past the ends of the eaves by about 3/4 at the gable or rake end. This is because the nails are small and blend in with the paper backing of the roll. Holding power is essential, especially if you live in areas with high winds. Also, you can use an aluminum or copper nail, depending on your location. Heavyweight asphalt shingles commonly have a longer service life. The three types are: Asphalt, tar, or bitumen-saturated felt, Synthetic or non-bitumen underlay, and Rubberized asphalt underlay. Tar Paper & Roofing Felt Options at RoofingFelt.org FREE delivery Tue, Feb 21 on $25 of items . Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. Well walk you through the types, sizes and materials you may choose from when picking a roofing nail. At the gable ends trim flush to the decking or leave 1/2 to 1 to wrap the edge when installing the drip edge. Product Specs Type: Synthetic Size: 250 feet long by 4 feet wide Fire rating: None. The length of nail you use depends on the thickness of the sheathing and shingles you use. Depending on your local building authority, you can use staples for roofing felt or, in other words, as roofing felt underlayment. What size nails for OSB sheathing? For roof slopes greater than 4/12, multiply the area by 1.10 to account for the 2 overlap and potential waste. This is because there is more surface area for the nail to grip. The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head. Tack the gable edge and tack the bottom edge and mid-line as you unroll. Staples are used with a variety of roofing materials. Nails and staples are standard roofing underlayment options that you can use on all building products. Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. The heavy-duty felt or paper is saturated or coated with bitumen. As you work, the paper can be tacked down in the center so it wont blow away. #30 Asphalt Saturated Underlayment | atlasroofing.com It is important to note that local building and fire codes may require cap nails instead of staples, so check the fine print. You can get away with using regular nails if working on a smaller project, such as repairing a leaky roof. If you live in an area with high humidity, you may need to replace your staples more often. Roofing Nails Best Seller Grip-Rite #12 x 1 in. You may prefer to use copper roofing nails on a roof with other copper accents. As a result, most local building authorities have banned staples for roofing. 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. 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. Both felt nails and staples require minimal maintenance. Then they nail it along the edge every 6 to 10 inches. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates. The two main types are roofing felt 15 and 30. F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. Check the requirements for the roofing material that will go over the felt. Because they are less secure than nails, staples are more likely to lose over time. The gasket is rubber, not plastic. Start the roof felt at one bottom corner of the roof. Instead of using lighter-weight 15-pound felt, use the heavier 30-pound felt as it will last longer too. Another benefit of roofing staples is that they cause less damage to shingles than nails. . Roof slopes from two units vertical in 12 units horizontal (17-percent slope) and . roofing company near me. In normal wind zones the nails should be driven at 6.0 O.C. 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 . 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. Roofing Nails | Nails | Screwfix The ridge cap used on this roof . This is because they are faster and easier to install than nails. For a 30lb felt, you should use T50 staples which generally have inch wide crowns and a length variation that include , , , and inches. The next step is to cap the ridge. You can also install asphalt shingle roofs using either a staple or nailer. It is required to block any rain that gets under or between shingles from penetrating into the wood decking. You may be tempted to reuse these to save on costs. Such factors include the nail spacing requirements of the total area of your roof and the slope or grade of your 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. Continue unrolling and tacking until you near the other gable edge. Tack the next course or layer into place. Visit the officia. 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. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). The hotdipped method results in a thicker layer of zinc that lasts longer, so they are preferred. In addition, the chances are that You can install staples incorrectly or inaccurately. A 36x72 roll covers 216sqft, weighs about 32-pounds, and has printed lines at 2, 4 and 17 for easier placement of upper courses and shingles. (on center) on both head and end laps. Chalk lines should be snapped 33 5/8 above the eave line. Multiplied by 1.10 is 2112sqft. Make sure the nails are embedded securely into the felt and wood sheathing. Haring holds a Bachelor of Journalism from the University of Missouri. This can cause your roof to leak. Head diameter According to the IBC, the minimum head diameter for a roofing nail that's in compliance with IBC guidelines is 9.5mm. In terms of durability, felt nails are more durable than staples. 8D nails are considered standard for OSB roof sheathing materials. Follow manufacturers instructions when choosing nails. Perhaps they were underdriven in the first place. #30 Asphalt Saturated Underlayment Benefits. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. Roofing felt nails or staples are effective roofing methods or options that can go well with very soft materials. That being said, you can expect a small, 5-pound box of smooth shank galvanized steel roofing nails to cost around $10. The installation process for felt nails and staples is relatively simple and can be completed by most people with little experience. This step is vital to the success of your new roof and must not be shortchanged in any way. Valley, ridges and hips should have a 6 inch overlap of paper. 4.6 out of 5 stars 94. If youre unsure how to install roofing felt or are just looking for some pointers, this guide is all you need. The quality of the material used is also an important consideration. The overlap of 3/8 should be followed consistently for a smooth look once the shingles are installed. 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. Some materials require heavier felt paper. The sooner it is protected by shingles, the better. To install roofing felt, you need nails that have very wide heads to keep the felt .