
When building a fence, it is important to consider the type and size of nails to use. While 2-inch nails are commonly used and easily available, the optimal nail size depends on the density and thickness of the fence pickets. For instance, 6d nails, which are around 1.5 inches long, are suitable for 0.5-inch boards, while 8d nails, ranging from 1.5 to 2 inches, can be used for boards between 0.5 and 0.75 inches thick. The nail length should ideally penetrate the holding substrate twice the thickness of what is being held. Using longer nails like 2-inch galv nails may result in coating issues and staining over time. Some fence builders prefer screws over nails due to their durability, versatility, and ease of removal, despite being more expensive and time-consuming to install.
| Characteristics | Values |
|---|---|
| Optimal nail size for fence pickets | Varies based on the density of the pickets |
| Recommended nail size for 1/2" thick pickets | 6d or 6-penny nails (1.5 inches long) |
| Recommended nail size for 3/4" thick pickets | 8d or 8-penny nails (1.5 to 2 inches long) |
| Recommended nail size for pickets thicker than 3/4" | 10d nails (2.5 to 3 inches long) |
| Commonly used nail size | 2" nail (6d) |
| Pros of using screws instead of nails | Durability, versatility, faster removal, reusability, room for error correction, and quality |
| Cons of using screws instead of nails | Expensive, slower to install and remove, risk of losing screws, and additional drilling required |
| Recommended nail type | Stainless steel or hot-dipped galvanized with ring-shank or twist nails |
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What You'll Learn

Using screws instead of nails for fence pickets
The age-old debate of screws versus nails for fence pickets has been discussed at length by fencing companies and experts. While both types of fasteners will get the job done, there are some key differences to consider when deciding which to use.
Nails are typically characterised by a long, smooth shaft and a round head at one end, with some varieties featuring barbs or rings to help them grip the wood. One of the most popular types of nails for fencing is the ring shank nail, which has concentric rings running along the shaft's length to prevent it from working loose. Nails are generally cheaper than screws and can be quickly installed using a nail gun. However, a common issue with nails is that they can become loose or warped over time, requiring more maintenance and replacement of fence boards. Additionally, if the nails are too long, the coating on the backside may strip off, leading to staining and discolouration.
On the other hand, screws feature a spiral ridge that runs around the outside of the shaft, providing a better grip on the wood. This is especially advantageous for cedar wood fencing, as the wood swells and shrinks with changing weather conditions, which can cause smooth nails to slip from their position. Screws are also more durable and versatile, allowing for changes or reuse of fence wood. They demonstrate pride and quality in your work, as it takes more time and effort to screw each individual screw. However, screws have several drawbacks. They are more expensive and time-consuming to install, requiring each screw to be hand-grabbed, installed onto the bit, held onto the picket, and then driven in with a drill. Additionally, screws are more prone to breakage if subjected to bending or twisting motions, which can occur when the wind blows on the fence or when a heavy gate swings open.
When deciding between screws and nails for fence pickets, it is essential to consider your unique needs and preferences. If you prioritise durability and versatility, screws might be the better option. However, if you are working on a large-scale project or are pressed for time, nails could be more suitable, especially if you already have a nail gun available. Ultimately, both fasteners have their advantages and disadvantages, and the best choice depends on the specific requirements of your fencing project.
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Pros and cons of using screws for fence pickets
2-inch nails are commonly used for fence pickets and are available in most hardware stores. However, some people prefer to use screws for fence pickets. Here are the pros and cons of using screws for fence pickets:
Pros
- Durability: Screws are just as strong, if not stronger, than nails. They have a spiral ridge that runs down their length, allowing them to grab into the wood more effectively than nails.
- Versatility: Screws offer more versatility if you want to change up your fence or reuse fence wood. They are also easier to remove than nails, especially if you need to correct any mistakes.
- Error correction: Screws allow room for error and correction, as they can be easily removed and replaced.
- Reusability: Screws are often reusable, which can be cost-effective and convenient.
- Quality: Using screws can indicate pride and quality in your work, as it shows that you took the time to screw in each individual fastener.
- Strength: Screws create a stronger joint than nails because of their thread, which allows them to grab into the wood more effectively.
- Tightening and loosening: Screws can be easily tightened and loosened, making them ideal for situations where you may need to make adjustments or repairs.
- Longevity: Screws offer better longevity and are less likely to need replacement, making them a good choice for long-term maintenance.
Cons
- Cost: Screws are more expensive than nails, especially if you need a large quantity for a long fence.
- Installation time: Installing screws takes longer than hammering in nails, as each screw must be hand-grabbed, installed onto the bit, held onto the picket, and then driven in with a drill.
- Loss and breakage: Screws can be dropped and lost during installation, slowing down the job. Additionally, screws can break, especially if they are not of appropriate type and length for the wood being used.
- Warping: To prevent warping, you may need to use more than one screw per picket at each backing rail contact.
- Drilling: Using screws requires drilling, which can be more time-consuming and physically demanding than hammering in nails.
- Aesthetic: The screw heads may need to be hidden, which can be more challenging than with nails.
In summary, screws offer superior strength, durability, and versatility but come at a higher cost and require more installation time. The best choice between screws and nails depends on your specific project requirements, budget, and time constraints.
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Galvanized nails and staining
When it comes to fence pickets, 2-inch nails are commonly used and can be found in most hardware stores. However, the suitability of 2-inch nails depends on the thickness of the materials being joined. A general rule of thumb is that the nail should penetrate the "holding substrate" twice as much as the thickness of what you're holding. For example, if you're nailing 3/4" pickets to 1.5" cross bars, a 2" nail would be sufficient for holding power and less likely to split the cross beams.
Now, let's discuss the use of galvanized nails and the potential for staining. Galvanized nails are steel nails coated with zinc to provide corrosion resistance. There are several methods for applying zinc to steel nails, including hot-dipping, electroplating, and tumbler or barrel hot galvanizing. The most effective method is hot-dipping, where the nails are immersed in molten zinc, resulting in a heavy and uniform zinc coating.
However, one issue with galvanized nails is the potential for staining, especially when used with certain types of wood. Ferrous ions in the galvanized nails can react with the tannins in woods like redwood, cedar, walnut, and oak, causing dark stains. This staining can occur even if the nails are coated, as the coating may not be thick enough to prevent the reaction. Over time, the coating on galvanized nails can also thin, leading to increased staining and corrosion.
To avoid staining, some people opt for stainless-steel nails or screws, which are less likely to cause staining and provide better corrosion resistance. Stainless-steel screws, in particular, offer durability, versatility, and ease of removal. However, they can be more expensive and time-consuming to install. Another option is to use coated screws, which are specifically designed to prevent staining.
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Different types of nails for fence pickets
When it comes to fence pickets, there are a few different types of nails that can be used, each with its own advantages and disadvantages. The most common type of nail used for fence pickets is the ring shank nail. These nails have ridges or annular threaded rings that provide increased holding power, making them ideal for attaching pickets to rails in traditional fencing. They are available in various lengths, including 1.5-inch, 2-inch, and 2.25-inch sizes. However, they can be challenging to remove, so precision during installation is crucial.
Another type of nail suitable for fence pickets is the stainless-steel coil nail, which is highly resistant to corrosion. These nails are often available in 2-inch lengths and are known for their excellent holding power. For those seeking a faster installation process, using a nail gun with coil siding nailers and 1.5-inch to 2-inch coil siding nails is recommended. This method ensures proper depth and angle for secure attachment and saves time and effort.
The type of nail used for fence pickets may also depend on the specific type of wood being used. For example, cedar fences, which are softer than other types of wood, may require different nails and installation techniques to preserve the structure and maximise the lifespan of the fence. The density of cedar picket boards, which typically range from 1/2" to 3/4" in thickness, will influence the size of the nails used. For 1/2" thick boards, 6d nails (approximately 1.5 inches long) are recommended, while 8d nails (ranging from 1.5 to 2 inches) are ideal for boards between 1/2" and 3/4" thick.
While nails are commonly used for fence pickets, some people opt for screws, which offer a more secure hold. Screws are often used for pickets or panels as they provide durability and versatility. However, they are slower to install and remove, and they may snap under pressure, especially in areas exposed to high wind. Therefore, a combination of nails for framing and screws or nails for pickets is a good approach, depending on the specific requirements of the project.
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Rules of thumb for nail lengths
When it comes to nailing fence pickets, there are a few rules of thumb to consider for nail length:
Firstly, it is important to choose the right type of nail for the job. For fence pickets, galvanized or stainless-steel nails are commonly used. The size of the nail will depend on the thickness of the picket and the "holding substrate", which in this case would be the rails.
A general rule of thumb is that the nail should penetrate the holding substrate by twice the thickness of what you are holding. For example, if you have 3/4" pickets, you would want to penetrate the rail by 1 1/2". This ensures that the nail holds the picket securely in place.
Another consideration is the length of the nail in relation to the thickness of the picket and rail. You want to avoid using a nail that is too long, as this can cause issues. If the nail is too long, it may poke out the back of the rail, which can be unsightly and potentially dangerous. Therefore, it is important to choose a nail that is long enough to penetrate the holding substrate but not so long that it protrudes excessively.
For example, if you are using 3/4" pickets with 1 1/2" cross bars, a 2" nail would be ideal. This allows for sufficient penetration into the rail without poking out the back. It is worth noting that 2" nails may be harder to find in stores, as 2 3/8" nails are more commonly stocked. However, the extra length of the 2 3/8" nail may cause issues with protrusion.
Additionally, the type of wood you are using for your fence pickets can also determine the length of the nail. For cedar fence boards, which are typically 1/2" to 3/4" in thickness, 6d, 8d, and 10d nails are recommended. 6d nails are around 1.5 inches long and work best with 1/2" boards, while 8d nails range from 1.5 to 2 inches long and are ideal for boards between 1/2" and 3/4" thick. 10d nails, which are rarer, are 2.5 to 3 inches long and suitable for denser pickets.
It is worth noting that some people prefer to use screws instead of nails for fence pickets. Screws offer durability, versatility, and the ability to correct mistakes. However, they can be more expensive and time-consuming to install and remove. Ultimately, the decision between nails and screws depends on personal preference and the specific requirements of the project.
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Frequently asked questions
2-inch nails are commonly used for fence pickets and are ideal for nailing 3/4" pickets to 1.5" cross bars. However, some people say that 2-inch nails are too long and recommend using 1.25-inch nails or 2-inch double-hot-dipped galvanized nails to prevent staining.
The type of nails you should use depends on the type of wood you are using. For cedar fence boards, use stainless steel nails to prevent staining. For softer woods like red cedar, use galvanized nails or stainless steel nails.
Screws are more durable, versatile, and reusable than nails. They also allow for easier correction of mistakes and show pride and quality in your work. However, they are more expensive and slower to install and remove.
The size of the nails you need depends on the thickness of your fence boards. For 1/2" thick boards, use 6d nails which are 1.5 inches long. For boards between 1/2" and 3/4" thick, use 8d nails which range from 1.5 to 2 inches long. For boards thicker than 3/4", use 10d nails which are 2.5 to 3 inches long.











































