In most areas you need to have the postholes below the frost line to make sure that the post will stay in place when the ground starts to heaves due to the frost.. Another reason for this is that while many people do not actually want a fence, sometimes, one becomes necessary. Once you are satisfied with the fence, you’ll want to mix your concrete. Materials Needed: Treatment preservative Concrete 4×4 posts 8 feet in length. Fence Building And you will get the amount to step the fence down at each post. maybe the occasional rinse with a garden hose to wash off any accumulated dirt. Depending on the manufacturers, fences are ready-made and can be installed. A third may be the vegetable patch. An average guess for span size would be approximately two foot six inches high by six foot across. Fence Building . You should also measure the depth, so you can get the posts buried at the same height.When you have all posts set hard, trim of the tops to get proper height. Double check each post making sure it’s plumb. Measure your post holes 8 feet apart. Fence Building If you do it by hand, be sure it is mixed well. The gravel will allow water tat collects at the bottom of the hole to drain away. Vinyl fencing is nice because you don’t have to worry about replacing rotten boards and they hold up better to wind. In addition to providing value to your home it increases your security and privacy. Posts of 2″x2″ timber that are about three foot six inches long, hammered into the ground should do it. Fence Building Hold a tape measure diagonally between the one-meter mark and the 1,5-meter mark and move the string until the distance between the marks is 2-meter. Following is the five-point guideposts on how to put up your own wood fence so you can save time and money. Thee string should be at the outside of this post, so you have to measure in from the string for center of the posts. It’s now time to prepare your concrete for setting the posts.• Erect each post making sure that the top part of each pole is aligned with the other. Fence Building Make sure to set the bottom rail 8 inches above ground and be careful to have both ends the same height from the ground.. Once you’ve decided on the style of vinyl fencing that you want, you’ll need to get the materials from your local home improvement center. Do the same with posts that will manage big burdens. You may choose to use a concrete mixer from the local tool rental agency, or you can mix it in a bucket by hand. Fence Building • Treat the part of the fence post that will be buried using wood preservative.. • You can also add concrete or dirt at the base of the posts. 1. Sounds mysterious? Not really. Fence Building Building this type of fence need not offend your neighbor, you can tell him that you are building a wire support for your shrubs.