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How Long Are Roofing Nails

How Many Cap Nails Per Square Of Underlayment

Nailing Shingles Properly – How to Nail Roof Shingles – IKO

The roof is indeed one of the most crucial elements of the buildings structure. To install the roofing successfully, then one needs to invest a significant amount of money and time. A minor mistake might cost you pricey fixing work, so its always recommended to hire or at least discuss your roofing project with a professional roofer or contractor.

That being said, there are some simple matters that you can do yourself, such as doing simple math over how many roofing nails per square of underlayment that you need. Though of course, you need to know your roof size first to do the estimation.

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The key to performing a successful roofing project is knowing how much height the roof must bear which is crucial information if you work with aged framing and foundation. One of the factors that add up the roof weight estimation is the nails weights that will hold the roof underlayment and shingles in their place.

The majority of roofing manufacturers advise that you use four nails for each shingle for the roofing main area and use five nails for each roofing underlayment square. This means that youll need 320 nails per square foot. For you who live in windy areas, you may want to use 480 nails per square.

The most commonly used nail type is the 1.5 roofing nail, which has 7/16 flathead and 11-gauge smooth shank. The nails are resistant to extreme weather such as rain or sun because theyre hot galvanized.

How Many Square Feet Does A Box Of Roofing Nails Cover


Considering this, how many square does a box of coil roofing nails cover?

Typical box count is 7,200 nails per box, with 120 per coil. That will do abount 21 squares.

One may also ask, how much does a box of roofing nails cost? Compare all Specifications

Grip Rite 1-1/4 in. Smooth Galvanized Coil Roofing Nails 1-1/4 in. 11-Gauge 15-Degree Wire Collated Galvanized Roofing Nails
Nail Length 1 1/4 in. Nail Length 1 1/4 in.
Collation Material Wire Collation Material Wire

Also to know is, how many squares are in a box of roofing nails?

Nail Quantity per SquareShingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row. This amounts to an average of 320 nails per square, or 100 square feet. In high-wind areas, you need five nails per shingle, or 480 nails per square.

How many shingles are in a square?

Three bundles to a square is most common, which applies to most three-tab strip shingles and laminated shingles. When shingles are three bundles to the square, there are 29 standard-sized shingles in each bundle.

Roofing Nails The Ultimate Guide

Roofing nails may seem like a small part of roof installation, but theyre actually one of the most important items for getting your project done right. If you use a smooth stainless steel nail where you should have used a galvanized ring shank, theres a strong likelihood youll experience problems sooner rather than later.

Just as important as the type of roofing nails you use is how many per shingle, the length of each nail, and overall project coordination questions such as how many roofing nails you need to buy.

Keep reading for a full rundown on all your roof nail questions, starting with the materials used to create the fasteners.

  • Can I use staples for roofing?
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    How Long Roofing Nails Should I Use


    Roofing nails should be long enough to penetrate the roofing material and go 19 mm into OSB, solid wood, plywood or non-veneer wood decking, or through thickness of decking, whichever is less.

    What length roofing nails should i use?

    Proper Nail Application For Asphalt Shingles Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches.

    how do you measure roofing nails?How to Estimate How Many Pounds of Roofing Nails Are Needed


    How To Fix Nail Pops In A Roof


    Nails can pop above the roof surface for a number of reasons. Perhaps they were underdriven in the first place. Nails that didnt fully penetrate the sheathing may work their way up over time. Or, if a roofs decking has warped or bent, it can pull nails out of place. Whatever the cause, its important to fix any nail pops in a roof to prevent damage.

    Fixing the nails is simply a matter of removing them, removing the shingle and installing a new shingle. Be sure you to use the correct nail length and place it properly.

    Do not simply hammer the nail down, renail it in the same spot, or use the same shingle. All of these methods could allow water through the roof. For example, if you remove the nail and drive it back into the same spot, your aim wont be perfectly accurate. There will be a tiny gap on one side of the nail or the other. Even if it is imperceptible to you, water will find it.

    If you use the same shingle and add the nail back in a different spot, youre leaving behind a hole where the nail once was. Some suggest you fill this hole with roofing cement, but this repair option must be done carefully to maintain the roofs water-shedding performance.

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    How Many Roofing Nails Per Square

    Allpoint ConstructionCategories :News

    How To Calculate Roofing Nails

    Your roof is one of the most important structural elements of your house, and in order to complete a successful re-roofing project, a significant investment in both time and money is required. It is highly recommended you hire a professional contractor for roofing work, and it can be difficult to cover the costs of pricey mistakes.

    If you are undertaking the project yourself, its critical to remember roof work can be a risky and potentially dangerous job. Anything you can do take fewer trips up and down the ladder to the roof lessens the chance of injury.

    A simple bit of math when making your supply plan can help you estimate just how many roofing nails are needed for a roofing job. You will need to know the size of your roof, and then you will be able to calculate an estimate of how many points of roofing nails you will need to buy.

    When you are planning out a roofing project, it is key to track how much weight they add to the roof, especially if you are working with an older foundation and framing. In order to have an accurate weight estimate, you will need to include the weight of the nails used to hold the roof shingles in place.

    How Long Should Roofing Nails Be

    The International Building Code does not specify specific lengths for shanks, but does state that the nail must penetrate through the roofing materials and must not be less than ¾ inch into the roof sheathing.

    The guidelines for nail length are more vague than diameter, so youll find a greater variance of size depending on the shank type. Wood shingles require a longer shank than an architectural shingle and fiberglass shingles are the same as asphalt-style.

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    Proper Nail Application For Asphalt Shingles

    Reading Time: 3 minutes

    Required by the International Building Code, proper nailing is essential to the optimum performance of roofing shingles. Accurate nailing requires the use of approved nails, nail-driving methods and placement .

    Atlas has installation guidelines in place to ensure proper, uniform installation of Atlas shingles on every roof, whether that roof is new or recovered. Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches.

    Nails of the proper length should penetrate three-fourths of an inch into the roof deck. However, where the roof deck is less than three-fourths of an inch thick, the nail should be long enough to penetrate fully and extend at least one-eighth of an inch through the roof deck.

    Each shingle model has specific requirements for nails printed on each shingle wrapper. These guidelines must be followed to comply with building codes and ensure intended performance levels

    All nails need to be driven either by hand or with a properly adjusted pneumatic nailer. Improper adjustment of a pneumatic nailer can result in overdriven or underdriven nails, which can cause nail corrosion, sealing failures, raised tabs, buckling and blow offs.

    For more information about proper nail placement, visit

    Hand Nailing Vs Nail Guns

    Roofing nails too short for ridge vent

    Almost all roofers use nail guns to make things go faster. Using a nail gun is also beneficial because the pressure on each nail is exactly the same. As long as the roofer tests the pressure on the gun before using it, there should be no problem.

    However, many roofers feel that hand nailing is better because it gives them more control. They can feel if the nail is deep enough and placed in the right spot if hand nailing. If the nail misses the wooden plank sheathing, those using a hammer can feel it. Faster is not always better.

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    How Many Roofing Nails Per Square Of Shingles

    A square of shingles simply refers to several right-sized shingles that equal 100 square feet. Typically shingle manufacturers sell bundles of shingles that equal 33.3 square feet. That makes it convenient to order squares of shingles as it takes exactly 3 bundles to make a square.

    Using our above example, if there are 26 shingles in one bundle equalling 33 square feet of roof coverage, then there would be 78 shingles in a square 26 x 3. If each shingle requires 4 nails, then 78 shingles x 4 nails equals 312 nails needed per square of shingles.

    What Size Roofing Nail Should I Use

    There are two ways to measure the size of a roofing nail diameter and length.

    Shank diameter

    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.

    Head diameter

    According to the IBC, the minimum head diameter for a roofing nail thats in compliance with IBC guidelines is 9.5mm. Like with shank diameter, you can find nails with a larger head width than 9.5mm, but smaller should never be used.

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    How Many Shingle Nails Do I Need To Buy

    Quantity is just as important as quality and classification when it comes to roofing nails. If you dont have the proper number on location, then youre going to run into a problem towards the end of your project.

    Nails per shingle

    According to GAFs asphalt shingles guidelines, you must use secure with 4, 5, or 6 nails per shingle per GAFs application instructions or local codes, however, most of GAFs shingle lines require 6 nails per shingle.

    You should use 6 nails per asphalt shingle to properly adhere all materials to the roof surface. The six nail requirement is especially important for high wind shingle application areas where a 5 nail per shingle pattern would not be sufficient.

    Nails per roofing square

    One square of roofing is about 100 square feet of roof material, and one bundle of shingles covers about of a roofing square. With this being said, youll need three bundles of shingles per square.

    Each shingle bundle will contain about 28 shingles, so you can expect to have 84 shingles per square in total.

    How many roofing nails per square? When using a 6 nail strategy during roof installation, youll need an average of 506 nails per square. Dont hold yourself to this exact count because every brand is different, but this math can be used as a guide for your planning.

    Hot Dipped Galvanized Nails Vs Galvanized Vs Electroplated Vs Stainless Steel Roofing Nails

    Length x Gauge Steel Barbed Smooth Ring Roofing Nails ...

    Question: Roofer used electroplated nails despite contract calling for hot dip galvanized roof nails

    Perry Frogge said:

    I insisted on hot dip galvanized nails on shingles, it is in the contract. I reminded the supervisor daily.

    On Friday they shingled, supervisor calls to say the nails he purchased doesn’t fit the guns and he is proceeding with electroplated, I told him not to, please take 30 min to get right nails.

    He refused and finished the roof with electroplated.

    No payment made yet. I have no confidence electroplated nails will last 20+ years, can I force roofer to strip and reroof house or do try to ask for $ now for future repairs .

    If he refuses will it be up to a judge to decide.

    I assume roofer will claim electroplated will last that long. thanks

    This question and answer were posted originally at ROOF JOB DISPUTE FAQs-3



    Watch out: before suffering an issue with your roofer, be sure you have accurately identified just what type of nail he used to roof your home. As you’ll read in this article there are several types of roofing nails of various coatings and materials.

    Use the page bottom Comments Box to post photos of the nail boxes, labeling, data, and of the type of nail gun used if you can as that will permit us to be sure we know exactly which fastener was used.

    The typical life of electroplated roofing nails can be as short as 5 years or as long as 10 years before significant corrosion and loss of secure fastening of the shingles is at risk.

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    What Nails To Use To Install Shingles Properly

    Roofing nails should be no gauge higher than 12, which is the diameter of the nail shank. 11 gauge is better because it is thicker and thus has greater holding power. Length should be no shorter than 1 ¼ and the head must be at least in diameter.

    Nails must penetrate the roof sheathing at least by ¾. If the sheathing isnt ¾ thick, then they must go through the sheathing by at least . Abiding by these requirements will ensure you have the right sized nail.

    Installations of shingles that occur over the top of old shingles require nails that are, at minimum, 2 in length. This is to ensure the nail penetrates through both the new and old shingle, plus penetrates the roof deck by at least ¾.

    Type Of Shingle Matters

    One of the first factors to consider is the type of shingle you will be using. The two primary types of shingles in use today are the 3-tab asphalt shingle and the dimensional shingle. Youll usually need to use a longer nail when using dimensional shingles since they consist of two layers of shingle material bonded together. In other words, a dimensional shingle is double the thickness of a regular shingle, and you must choose your nail length accordingly.

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    Are Roofers Supposed To Pick Up Nails

    For a quality roofer, due diligence means they will lay a tarp down below the area of the roof being stripped. They will clean up the shingles which have fallen off the roof. They will pick up any nails they see. They will use a magnetic nail finder to attempt to find as many errant nails as they can.

    How Long Should Nails Be For 2 Layers Of Shingles

    Roofing nails, what is the best roofing nail for your roof?

    4/5Layerslayershingleslayershinglestoshould2nails2nail will

    Simply so, how long should shingle nails be?

    Proper Nail Application For Asphalt ShinglesNails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches.

    Similarly, how do you measure roofing nails? How to Estimate How Many Pounds of Roofing Nails Are Needed

  • Measure each area of the roof, in feet, to determine how many shingles will be needed.
  • Multiply the length of each area by the width to determine the square footage.
  • Add the amount of square footage for each area together.
  • Divide the entire square footage by 100 to reach the estimated amount of shingles needed.
  • Besides, is 2 layers of shingles OK?

    Most building codes allow two layers of organic or fiberglass asphalt shingles on roofs with a 4/12 pitch or less, and three layers on steeper roofs. If the structure can support the added weight, a typical 20-square reroof will cost at least $1,000 less than a tear-off job.

    How many nails do you put in a shingle?

    Most shingle manufacturers recommend at least four nails per shingle and six in high wind areas such as Florida and Oklahoma.

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    Should Roofing Nails Go Through The Sheathing

    A 1? nail will fully penetrate through 3/8? roof sheathing, but it wont fully penetrate 1/2? sheathing. The other way to determine if the proper nails were used is to look in the attic if the roof has 1/2? sheathing, you should be able to see the nails sticking through in to the attic.

    How do you nail down a shingle roof?

    NAILING: Use galvanized roofing nails, 11 or 12 gauge, with at least 3/8 diameter heads, long enough to penetrate through plywood or 3/4 into boards. Use 4 nails per shingle placed 6-1/8 above the butt edge, 1 and 13 in from each end and 1/2 above each cutout.


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