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What Size Nails For Hardie Siding

Iii Start From The Bottom

How to Nail HardiePlank® Lap Siding

As you probably already know, siding shingles are installed at an angle. Each shingle’s lower part sits on the top part of the shingle below it.

To achieve that arrangement, start the installation from the bottom.

Get your most beat but siding pieces and cut them into narrow strips of about 1 ¼ inches wide. After that, install the strips ¼ inch from the bottom of the wall. You want to use a 15/16 finish nailer for installing them.

Next, install your first siding piece. It should hide the starter strip, going all the way to the bottom, and of course, its top part will be above the strip. This arrangement will make the first siding piece angle out and create an angled platform for the rest of the rows.

Bostitch Coil Siding Nailer 1

Stanley- Bostitch produces first-class, innovative clipping tools for commercial, constructive, and home renovation tools. This Bostitch Coil Siding Nailer is a 15 Degree Coil Siding Nailer used for weld wires and plastic-inserted coil nails. This lightweight tool has an aluminum cover.

You can adjust the penetration of the nails. Due to the soft rubber foot, you can use it on a variety of siding materials. The Bostitch Coil Siding Nailer works with any air-hydraulics and has been mechanized in a way that the exhausted air will be deviated away from you while using it.


  • It can be used for well-wires and plastic-inserted coil nails
  • It has a soft rubber foot can be used in both hard and soft materials


This Bostitch Coil Siding Nailer has some of its inadequacy. A few of our customers claimed that they were a bit unsatisfied with its finishing. The reason is straight- the depth issue. One-fourth of the extensive nails were found to be not getting inside the wood completely until hammered. Whereas some had problems with controlling the power of the machine, other than that, its a good choice for your Hardie sidings.

The Lowdown On Clearances

Fiberboard cement siding is not bulletproofit will deteriorate if exposed to water for a long time. Its imperative that you honor the proper spacing between the siding and the roof surfaces and between the siding and the horizontal surfaces, such as the ground or cement slabs and decks. Check with your specific manufacturer before you start. Here are some general guidelines.


  • 1/8 in. to 1/4 in. between siding and trim
  • 1/4 in. between siding and horizontal flashing
  • 1 in. between the gutter and an adjacent wall
  • 2 in. between siding and roofing, decks, patios, driveways, steps and walkways
  • 6 in. between the siding and the ground.

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Is Lightweight Really Better

A lot of power tools are designed to be as lightweight as possible, but lightweight can also mean low durability in some cases.

When it comes to nail guns a lightweight design really is important for reducing hand, arm, and shoulder fatigue. That doesnt mean that you should settle for bad materials in a lightweight design.

Look for nail guns that use a lot of aluminum and magnesium components, and that have a lot of their weight invested in the motor on the tool. Aluminum and magnesium both offer incredibly high durability for the weight of the materials, which means that youll get a more durable tool without a ton of extra weight.

Best Nails For Hardie Siding

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Fiber cement panels first came out at the dawn of the 20th century. Oddly enough, they got the name Eternit. It comes from the Latin Aeternitas, which means everlasting. Everlasting or not, we still use the material in modern siding boards due to its non-combustible nature.

Enough history we learned. Its time to find the best nails for Hardie siding. We picked some of the best, among which Prime Guard MAXC62820 and Hitachi 13363 are the ones to fall for. Find out why so, with a few other reviews on the way.

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Best Budget Tool: Freeman Pneumatic 15

If you only need a reliable James Hardie siding nailing tool for infrequent tasks, overspending may not make economic sense.

This fast-selling Freeman Pneumatic 15-Degree earns our recognition for performing greatly at a rock-bottom price tag and may be the way to go.

Like the Makita model, the magazine can hold up to 400 siding nails, though the nails loads from the side.

It features a 360-degrees exhaust system to send used air away, just like the Makita nail gun again.

And in keeping with the trend, adjusting the depth is a breeze in this tool.

There are no multiple firing modes here making it less versatile.

However, the sole bump fire trigger drives nails with impeccable precision.

A safety lock eliminates accidental firing.

Other highlights include the air filter/anti-dust cap and belt hook.

Do You Nail Or Screw Hardie Board

James Hardie prefers and recommends installation of HardiePlank® lap siding by the blind nailing technique, such that fasteners are hidden by the course above. Fasteners shall be installed between 1 in. and 3/4 in. from the top edge and no closer than 3/8 in.

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Properly Nail Off The Siding

You can shoot Hardie siding on with air powered nailers or use hand driven roofing nails to attach siding to the home or structure. The nails can be ringed- shanked or smooth just make sure you are hitting the studs in the wall. Place a nail in every stud especially is they are 24 on center and ensure that nails are between 3/4 to 1 below the top of the piece of siding. Nails drive in too high wont hold as wont nails that are over driven. Drive nails flush with face of hardie plank but dont counter sink nail.

Our Crews prefer 1 3/4 smooth shank roofing nails for Hardie installation. If we do make a mistake and have to move a piece the smooth shanks are removable unlike a ring-shank nail.

Metabo Hpt 13369hpt 2

How to Select Siding Nails

Metabo HPT 13369HPT siding nails are dedicated fasteners for use in Hardie siding. The sizing of these nails is perfect for the fiber cement thickness that varies within 4.5 to 18mm.

Other than that, they come with a superior Hot Dipped Galvanized finish. It is a layer of Zinc coating on the surfaces. What this finish does is provide excellent protection against rust and corrosion, a must-have quality for siding.

For holding power, these have ring shanks. Unlike smooth shank nails, they perform better when it comes to siding. Besides, their full round heads will offer more holding power for the sheets and a wider striking surface.

Furthermore, a superior wire weld collation makes using them with nail guns look as effortless as it gets. Such a collation also holds up better in long-term storage as compared to plastic strips. Hence, this nail set is a bang for your bucks.

Nevertheless, Metabo HPT 13369HPT is not void of downsides. For example, they offer somewhat poor compatibility with nail guns from other brands. If you dont own Metabo HPT NV65AH2 or similar, youll have a hard time finding something compatible.


  • Hot Dipped Galvanized for excellent rust prevention.
  • Wire weld collation.
  • Best in class holding power.
  • More striking surface with full round heads
  • Perfect sizing.


  • Incompatible with many nail guns.

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What Size Nails Do You Use For Hardie Siding

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NAIL TYPE:Fasteners must be corrosion resistant, galvanized or stainless steel. Electro-galvanized nails are acceptable for use with James Hardie Siding Products, but may exhibit premature corrosion. James Hardie recommends the use of quality, hot-dipped galvanized nails.

Subsequently, question is, how much should Hardie plank siding overlap? According to the James Hardie website, the actual overlap should be 1 1/4″ for your Hardieboard siding, so you actually were close in your estimate.

Additionally, can I use roofing nails for Hardie siding?

You can shoot Hardie siding on with air powered nailers or use hand driven roofing nails to attach siding to the home or structure. The nails can be ringed- shanked or smooth just make sure you are hitting the studs in the wall. Nails drive in too high won’t hold as won’t nails that are over driven.

Can you use screws on Hardie siding?

HardiePlank® lap siding may be used with fasteners approved by ICC-ES ESR-2290 spaced in accordance with the Wind Load Tables. Fasteners must be corrosion resistant, galvanized or stainless steel. Fasteners shall be installed between 1 in.

Face Nailing Smooth Trim

This one isnt a mistake so much as a pet peeve of mine, but it still can make a big difference in the look of your home.

Most of the Hardie Trim installed across Canada is flat and smooth, and installed with finish nails. If the installers do a perfect job of driving the nails flush and touching up, Hardie Trim with finish nails looks fantastic.

In practice, this is very difficult for installers to do. Hardie Trim has grooves on the backside to give it more strength when workers are carrying it. This means that in some places on the board, the nail has about 20% less material to get through. This can lead to the finish nails sinking into the board.

When the nails countersink, it leaves a hole that the installer either has to fill or paint. Since every full Hardie Trim board should have at least 18 finish nails, you can expect between 5 and 10 nails per trim to countersink and leave a mark.

To solve this issue, James Hardie came up with a hidden fastening system for their trims. Installers can staple aluminum tabs to the back of the trims and then nail the tab to the wood sheathing on the wall. They will still need to use the odd face nail to make sure everything sits tight, especially around windows, but Hardies trim tab system can eliminate about 90% of all face nailing on a normal house.

Thanks for reading! If you are interested in learning more about Hardie installation, give me a or text and I will be happy to help.

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Do You Caulk Hardie Board Siding

Wherever Hardie siding meets a trim board, the company recommends you leave a 1/8 gap between the siding and the trim and apply a 3/8 bead of approved caulking to protect and seal the edge of the siding. This means that Hardie contractors are used to overapplying their caulking and letting it shrink over time.

Spacing For Fiber Cement Board Joints

deck nails.

Fiber cement boards dont expand and contract much, but leave a little room for expansion at the end joints and then fill the gap with caulk. Butt joints, however, should be nailed tightly together and should not be caulked. Make sure all butt joints are on studs, and stagger the butt joints as you work your way up the wall.

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How Do You Fix Loose Fiber Cement Siding

Loose boards are repaired by face-nailing them in place.

  • Inspect the HardiePlank siding on the exterior of your home for loose boards, which will leave your house open to weather and insect damage.
  • Slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure.
  • Best Overall: Bostitch Coil Siding Nailer

    The BOSTITCH Coil Siding Nailer has everything you need in a nailer for a hardie siding installation that will make heads turn.

    Youll love the easy-to-use depth adjustment, consistent depth of nail drive, and smooth operation .

    Unlike some of its competitors, the tip does not mar the siding and allows you to locate the nails precisely.

    The BOSTITCH N66C-1 Nailer works with most air compressors and features an adjustable exhaust to re-direct spent air away.

    This nail gun is constructed with aluminum meaning it is quite light and not tiring even when wielded for 8 hours.

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    How Do You Screw Into Hardiplank

    Drill pilot holes, at each mark, one-quarter to one-half inch deep, to make it easier to insert screws and prevent cracking the siding. Align the bracket holes with the pilot holes in the siding. Insert the screws and tighten securely using a drill with screwdriver bit attached. Hang the basket on the bracket.

    Can You Nail Into Cement Board

    How To Nail HardiePlank Lap Siding

    Fiberboard cement siding can be hand-nailed, but because its so much harder and more brittle than wood, you have to predrill holes near any edge. You can save yourself a bunch of time by using a pneumatic coil siding nail gun. Use 6d or 8d galvanized or stainless siding nails and install a single nail about 1-in.

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    How To Install Hardie Board With A Nailer

    Hardie board is harder and more brittle than a normal wooden surface. So, while going for any Hardie trimming project, its necessary to predrill holes near the edges. Using a pneumatic coil siding nail gun is a much better idea than going for hand nailing. There are some basics to install Hardie plank siding with a nail gun to make your task easier.

    • Attach flat tabs at the back of the Hardie trim before installing. Use a pneumatic staple gun to drive for staples.
    • After attaching the taps on the back, you can start attaching the Hardie trim to the side of your building.
    • Using 6d or 8d stainless or galvanized siding nails is best recommended for this.
    • Drive each nail into about 1 inch down from the top edge, at approximately 16 inches apart.
    • You need to choose nails a minimum of 2 inches long so that a minimum of 1¼ inch can be driven into the surface.
    • Use a finish nail gun for trimming and preassembling the corners of the project.
    • Dont drive the nail gun at an angle to staple siding nails into the Hardie block.
    • You can snug up the fastener heads against the siding instead of making them driven into the surface.
    • A 15-gauge trimming nail gun is best for Hardie trimming.

    Best Nail Guns For Hardie Siding And Trim

    A nail gun is a very common tool for your household activities and DIY projects. Even you may have used different types of nailers on many occasions. But, when it comes to finding out the best nail gun for Hardie siding and trim projects it becomes a tricky one, isnt it?

    Hardie plank siding has become a very popular trend lately as it gives an aesthetic look to your residence. But this task requires some special treatments.

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    As the starter, you cant use a regular nail gun for the Hardie siding project. Siding nailers are very much alike framing ones, but with some obvious distinct features and specially designed for a siding project.

    You need to pick the best nail gun for Hardie trim for a successful siding operation. Some recommendations with a complete buying guide will come as handier, right? So, here it comes.

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    Can You Use Roofing Nails For Fiber Cement Siding

    4.6/5You can useroofing nailersidingyounailyounailHardie’show tosiding using roofing nailsroofing nailer

    You can shoot Hardie siding on with air powered nailers or use hand driven roofing nails to attach siding to the home or structure. The nails can be ringed- shanked or smooth just make sure you are hitting the studs in the wall. Our Crews prefer 1 3/4 smooth shank roofing nails to install Hardie.

    Subsequently, question is, can you nail into fiber cement siding? Fiber cement siding can be nailed by hand or with a pneumatic nailer. It can also be attached using corrosion resistant screws. Use hot-dipped galvanized or stainless steel nails. Nails should penetrate through the sheathing and at least 1into studs.

    Hereof, what kind of nail gun do I need for fiber cement siding?

    galvanized nails in his 15-gauge trim gun. He uses the same size nails to install the corners on the wall. Don’t use a framing gun or try to handnail the corners together that’s a good way to break the trim boards. Also, the trim nails look better where nails will be exposed, especially on a prefinished corner board.

    Are roofing and siding nails the same?

    Usually, roofing nailer is used to put the shingles tight on the surface. The length of nails is varied from the thickness of the surface. On the other hand, siding nails are only used for fastening siding stuff so that the nail has to be strong enough to hold it.

    Where Can I Fasten T1

    Beautiful Homes: New Hardie Wind Code Nailing Instructions

    Typical T1 11 siding has an edge measuring 3/8 inches where the next panel will overlap to create seamless continuity. Its best to place the edges over a stud before nailing them into position, and T1 11 sheets can be effectively secured with fasteners spaced about 8 inches apart as you work your way around.

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    How Do You Fasten Hardie Board

    Nailing Basics

  • Use 6d or 8d galvanized or stainless siding nails and install a single nail about 1-in.
  • Dont drive nails into the siding at an angle.
  • Fastener heads should be snugged up against the siding, not driven into the surface.
  • The end of each plank making up a butt joint needs to be fastened to a stud.
  • Using Nail Guns At Its Best

    The best nail gun for Hardie siding should be best at what it does. You should be looking for a couple of things while choosing one, such as adjustable tool-free exhaust, the flexibility of both plastic and wire-led nails. A quick and straightforward push-button reloading system makes the firing experience easy.

    You get everything in the products we brought for you. Just have a look.

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