What Size T-Post Should You Use for 47 Inch Fence Pickets?

A T-post, with it’s distinguishing T-shaped design, is a commonly used fencing material due to it’s durability and cost-effectiveness. However, determining the correct size is crucial for ensuring the stability and longevity of your fence.

What Size Fence Post Do I Need for Picket Fence?

When it comes to installing a picket fence, one of the most important considerations is the size of the fence post. The right size post ensures that your fence is sturdy and secure, lasting for years to come.

For a simple picket fence, a #2 pressure-treated 4×4 post is highly recommended. These posts aren’t only plenty strong but also treated for ground contact, making them ideal for this type of application. Additionally, they tend to last longest in outdoor conditions, providing excellent durability and longevity.

While cedar is often a popular choice for picket fences due to it’s natural beauty and resistance to decay, it can be quite costly. On the other hand, the #2 pressure-treated 4×4 posts are more cost-effective, making them a budget-friendly option without compromising on quality and strength.

This ensures that the picket fence will have adequate support and stability, maintaining it’s integrity even under harsh weather conditions.

It’s worth noting that the diameter of the post is also crucial to consider. This allows for proper anchoring and prevents the post from wobbling or tilting over time.

With it’s ground contact treatment and excellent durability, it will ensure that your picket fence stands strong for many years.

A Guide to Installing a Picket Fence

A picket fence is a classic choice for adding charm and character to your property. Installing a picket fence requires careful planning and choosing the right materials. One important consideration is the size of the T-posts that you’ll use to support your fence pickets.

The size of the T-posts depends on the height of your fence pickets. For a 47-inch fence, you’ll generally want to use T-posts that are at least 6 feet in length. This will provide enough stability and support for your picket fence.

When installing your picket fence, make sure to space the T-posts evenly along the length of the fence line. Install them securely in the ground, ensuring that they’re plumb and level. Then, attach your fence pickets to the T-posts using screws or nails, spacing them evenly to create a visually appealing fence.

When it comes to choosing the right size T post for your fence, there are a few factors to consider. Firstly, it’s important to keep in mind the height of your fence. A general rule of thumb is to use T posts that are about two feet longer than the height of your fence. This ensures that your posts will be securely anchored in the ground and provide proper support. T-posts are commonly available in lengths ranging from 5 to 10 feet, giving you options to choose from based on the height of your fence. Consider the specific requirements of your project before making a final decision.

What Size T Post Should I Use?

When determining the size of t-post to use for your fence, you need to consider the height of the fence. In this case, you’ve 47-inch fence pickets, so youll need t-posts that are at least 6.5 to 7 feet tall. This will allow for enough room to securely attach the pickets to the t-posts without them being too short or too long.

It’s important to note that t-posts aren’t just for support, but also for anchoring the fence in place. The longer the t-post, the more stability it provides to the fence. This is especially important if you live in an area with strong winds or if your fence is going to be used for livestock containment.

Additionally, the spacing between your t-posts shouldn’t exceed 8 feet. This means that if your fence is longer than 8 feet, you’ll need to install additional t-posts to ensure the fence is securely supported.

When installing t-posts, it’s also important to make sure they’re properly anchored in the ground. A common method is to use a t-post driver, which is a weighted tool that helps drive the posts into the ground. If the ground is particularly hard or rocky, you may need to pre-drill holes to ensure the t-posts can be inserted properly.

This will provide enough height to securely attach the pickets and ensure stability for the fence. Remember to space the t-posts no more than 8 feet apart and properly anchor them in the ground for a sturdy fence installation.

Source: What Size T-Post Do I Need for My Fence? | Red Brand

To build a sturdy picket fence, you’ll need several materials. Firstly, you’ll need a significant number of pickets, approximately 400 in this case, to create a large fenced-in garden. Additionally, treated 2×4 pine and 4×4 pressure-treated posts are essential for the frame and support of the fence. Screening rock and pea gravel can be used to create a stable base. To hold everything together, screws are required. Gate hinges and latches are necessary for easy access. Finally, fence stringer brackets are optional but can be used for added stability, although in this case, the stringers were directly screwed onto the posts.

What Do You Need for a Picket Fence?

When it comes to building a picket fence, there are a few materials that you’ll need in order to get the job done. First and foremost, you’ll need pickets. For our large fenced-in garden, we ended up using a total of 400 pickets. These will be the main component of your fence and will give it that classic, charming look.

In addition to pickets, you’ll also need some treated 2×4 pine. This will be used as the framework for your fence, providing support and stability. It’s important to choose treated wood to ensure that it’s resistant to rot and decay.

To anchor your fence posts securely into the ground, you’ll need 4×4 pressure treated posts. These posts will need to be buried at least two feet deep in order to provide stability for your fence.

For added stability and protection against weeds and pests, you may also want to consider using screening rock and pea gravel. These materials can be added to the bottom of your fence to create a barrier that will prevent unwanted critters from burrowing under your fence.

To assemble your fence, you’ll need screws to attach the pickets to the framework. Choose screws that are long enough to securely hold the pickets in place.

For the gate of your fence, you’ll need gate hinges and latches. These will allow you to easily open and close your gate while still providing security for your garden.

Finally, if you want to ensure that your fence is extra sturdy, you may want to consider using fence stringer brackets. These brackets can be used to attach the stringers to the posts, providing additional support for your fence. The choice is up to you and what you feel most comfortable with.

Optional materials include fence stringer brackets for added stability.


As a taller picket may be more susceptible to wind forces, it’s advisable to use a larger T-post, such as a 7 or 8-foot option. This ensures that the pickets are adequately supported and in turn, reduces the risk of damage or instability.

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