Readers ask: What Size T Post For 4 Foot Fence?

How tall of T-post do I need?

A good rule of thumb is to get T-posts between 18 inches to three feet longer than the intended height of the fence. At a minimum, the metal flange should be at least two inches in the ground.

What size t-post do you need for a 5 foot fence?

Installing the Fence: Basics Depth: Anchor posts should be treated like any wood post and go down at least 2.5 feet for a 5 foot tall fence. (The bigger the post, the deeper you want to set it.) T-posts have “blades” on them that should be buried, again, at least 2 feet for a 5 foot fence I would think.

How deep do t-post need to be?

Use a post hole digger to create holes approximately half as deep as the height of the posts and 2 to 4 inches wider in diameter than the posts. The wood posts can be set on top of 6 inches of gravel and securely backfilled with tightly packed dirt or set on 6 inches of gravel and backfilled with 6 inches of concrete.

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How are T-post measured?

T-Post Installation Measure the height of rolled fencing wire with measuring tape. The measurement will determine the height of T-posts to use for the fence. T-posts should be 2 feet taller than the rolled fencing wire.

Is 2 feet deep enough for fence posts?

2 feet is the minimum depth that you should dig your fence post holes for. To dig the holes one-third to one-half of the post’s aboveground height, is a general formula. The deeper you dig the holes, the more stability your fence has.

Can fence posts be 10 feet apart?

Typical spacing is right around 8 feet between each post however different circumstances may call for different measurements and it is not uncommon to have spacing between posts reach up to 10 feet. Once you have a rough idea of your post layout start by digging your first hole.

What size Post do you use for a 6 foot fence?

The depth of the post hole needs to be 1/3 to 1/2 the height of your fence. For example, if you are building a fence that’s 6 feet tall, you will need a hole that is at least 2 feet deep. That also means that you’d need to use an 8-foot post.

What is a good distance between fence posts?

Typically, fence posts are spaced between six and eight feet apart. The corner posts are set first. To align all of the posts in between, stretch a line from each corner post to work as your guide.

What is the maximum distance between fence posts?

Most fence posts can be spaced 8 to 12 feet apart. While this is a general criteria, it doesn’t cover all scenarios. For instance, high tensile fence can have larger spacing, requiring line posts every 15 to 20 feet for field fence styles, and as much as 20-30 feet for high tensile barbed and smooth wire.

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How far should a post go in the ground?

The general rule of thumb when setting a post is that the depth of the post’s hole needs to be one-third to one-half of the actual above-ground height of the post. So, a six-foot-high finished post ideally needs to be buried three feet into the ground.

How do you get post level on uneven ground?

Once your posts are set in concrete, you will figure out where the top of your fence will be on the posts. The easiest way to do this is to find the lowest height post and then mark the other posts to be cut down to that level. Mark where you need to cut with a pencil. Now you can install your fence.

What lengths do T-posts come in?


  • Keystone LG U-Post Green – 3-ft. $2.40.
  • Keystone LG U-Post Green – 4-ft. $3.60.
  • Red Top Heavy Duty Studded T- Post – 5½-ft. $6.00.
  • Red Top Heavy Duty Studded T-Post – 6-ft. $7.20.
  • Red Top Heavy Duty Studded T-Post – 6½-ft.
  • Red Top Studded T-Post – 5-ft.
  • Red Top Studded T-Post – 5½-ft.
  • Red Top Studded T-Post – 6-ft.

What are T-posts used for?

T-posts are steel fence posts used to support wire fencing. Also known as Y-posts due to their shape when viewed from the top, T-posts have an anchor at the bottom that helps them stay in the ground. Durable and long-lasting, T-posts are often made of rail steel.

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