Deciding to put up a new fence on your property not only means selecting a practical fence style, you’ll also need to determine what to use for the foundation. The two most popular post materials used to construct a wire fence are treated wood and steel t-posts. Many times, property owners choose to use a combination of these materials.
Tension from a properly installed fence should fall to the ends of the enclosure. Therefore, the corners and braces should be built with heavy-duty wooden posts to withstand the pressure exerted by the pull of the wire. Solid wood posts are recommended for corner bracing and for intermittent support. However, the majority of fence posts could be steel t-posts. For most wire fencing, using steel t-posts along the perimeter is an excellent choice. This low-cost alternative provides superior strength and durability. Plus, t-posts are much easier to install than wood posts.
There are two popular weights, or strengths, of t-posts on the market. Choosing the proper post depends on the size of your enclosure, the type of wire fencing being installed, the spacing between posts, and the expected animal pressure against the completed fence. T-posts are made of high-quality steel that holds up to pressure and the environment. The strength of a t-post is rated by the amount of steel per foot. Regular t-posts are used for most applications, and typically weigh about 1.25 pounds per foot. Heavy-duty t-posts weigh around 1.33 pounds per foot and are generally used for high-pressure situations. For longevity, all t-posts are treated to prevent rust with either a coating of paint or galvanization for years of service.
T-posts are available in a variety of heights. When it comes to selecting the proper t-post for your project, choose a post that is 24″-36″ taller than your finished fence. That’s because the post will need to be buried at least 2′-2-1/2′ feet deep to prevent weather changes or determined animals from pulling them out.
Studded t-posts feature bumps, or studs, on one side of the post. These are designed to securely fasten the wire fencing to the posts to prevent the wire from slipping or pulling away.
Before installation of t-posts begins, be sure to have the proper tools and materials:
The typical spacing of posts is between 8′ and 12′. The distance should be determined by the type of fence and the amount of support that the fence needs in order to stay taught. Animal pressure and weather conditions are serious considerations when it comes to how much reinforcement is needed. Red Brand provides spacing guidelines here.
Measure and lay out the posts before you begin installation. This will assure that the posts are properly spaced. Typically, a 5 to 1 ratio of steel t-posts to treated wood posts is recommended for superior stability. Keep in mind that for barbed wire, fence stays can help prevent excess movement between strands. And, for woven fence, the closer the posts are to each other, the stronger the enclosure. Assessing the behavior of the animals you are protecting will help determine how much support you need to keep them safe. A docile herd of cattle won’t challenge a fence the same way a rambunctious stallion will.
The studs of the posts all need to face the same direction, as they provide a place for the clips to be secured and prevent the wire from slipping downward after installation. Determine if you are keeping animals in or predators out. The side of the fence that will endure the most pressure should be the side that the post studs face. When the fencing is challenged, the posts will help hold the wire in place, instead of allowing the wire to push away from the supports.
The flare, or faceplate, at the bottom of the t-post should be set perpendicular to the enclosure and completely buried during installation. The posts need to be deep enough to remain in place during weather changes and to provide stability from animal pressure. Be sure to keep the posts straight as you drive them into the ground. Once the plate is secured in the soil, it shouldn’t be a problem to keep them aligned.
When it’s time to secure the fence with wire clips, follow these tips:
Building a fence with t posts, along with regular check-ups and routine maintenance will result in a safe, secure, and long-lasting enclosure for your animals.
For more information on fence installations, go to Red Brand’s extensive video library for tips, tricks and advice. You can also ask your local Red Brand dealer for help with proper selection of fencing and materials.
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A steel fence post, also called (depending on design or country) a T-post, a Y-post, or variants on star post, is a type of fence post or picket. They are made of steel and are sometimes manufactured using durable rail steel. They can be used to support various types of wire or wire mesh. The end view of the post creates an obvious T, Y, or other shape. The posts are driven into the ground with a manual or pneumatic post pounder. All along the post, along the spine, there are studs or nubs that prevent the barbed wire or mesh from sliding up or down the post. They are generally designated as 1.01, 1.25 or 1.33, referring to the weight in pounds per lineal foot. They are commonly painted with a white tip on top; white improves the visibility of the fence line. When driving the post with a post pounder the white top paint is a visual means to ensure the user doesn’t raise the pounder too high while pounding. Raising the pounder too high allows it to lean towards the user and could lean to striking them in the head.
While T-Posts are more common in the United States, Y-posts are more common in Australia and New Zealand where they are sometimes called either star pickets or "Waratahs", after the company which registered a patent for them in 1926.[1] In New Zealand Waratahs are often used for trail blazing.
In areas (such as the British Isles) where treated timber is relatively inexpensive, wooden fence-posts are used and steel ones are unusual for agricultural purposes. In the British Isles steel posts are however often used for fencing into solid rock. In this case a hole is drilled into the rock, and the post is fixed using cement or epoxy. In Australia these are normally called a star picket and sizing is by length, normally one notch on the top and holes down the length. They are often covered in a black bituminous coating.
A steel post on a standard seven wire fence in New Zealand.
End-on view of a T-post, showing the T-shape that gives the post its name.
Two T-posts and red post pounder (or driver) used to drive them into the ground. The flat plate helps stabilize the post, which is driven into the ground until the plate is buried.
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References
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Outback magazine, "Outback Story", Issue 62, Jan/Dec 2009