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Next, take your fence post and stick it in the hole. Make sure it is the right height and adjust accordingly by continuing to dig or filling in the hole. For a sturdy post you should try and make your hole at least 2 feet deep. Once you get the height correct, it is time line your post up properly.
3. Dig the hole using the post hole diggers, to about 2 feet, 4 inches. If your fence posts are 8 feet high, then 2 1/2 feet of the posts should go from the bottom of the post hole to the plumb ...
Find tips and instructions for laying out and digging post holes for your new fence. ... Lay Out and Dig a Post Hole. ... (12 inches for a 4-inch-by-4-inch post). The hole depth should be below the frost line. Typically, this means to a depth of 30 inches (24 inches for post, 4 inches for gravel and 2 inches below ground level).
Setting Fence Posts in Concrete. Set fence posts in fast-setting concrete if you're planning to leave the fence in place for a long time or if you have very loose, sandy soil. First dig the holes using an auger or a post-hole digger. Plan to set at least one-fourth to one-third of the fence post underground, and dig the hole accordingly.
Fence post depth, size, and anchoring systems can make or break your fence line. Despite what some people believe, making a long-lasting fence is not always as simple as sinking a post in the ground and moving on to the next post. There are a few great tricks you should know before you start making holes with your post hole digger.
Here are a few tips to help you figure out correct fence post hole depth: Keep the height of your fence in mind when digging your post holes. As a general rule of thumb, you’ll need to place at least 1/3 the height of the post in the ground. For example, a 6-foot tall fence will need at least 2 feet of post in the ground.
Location: MSP, Minnesota. however if its a large commercial fence/gate with a 4 6 or 10 pipe the hole will be Fence Post Depth ? Concrete is a no no for fence posts National Columns It has been awhile since I wrote about fence posts, set the post in the hole, is a no no. Pier size is what makes the strongest footing not depth.
The depth required structurally is determined by the soil's resistance to lateral loads and the area of the material in the ground. Obviously, a thin metal post needs more depth than a wood post because of the width. The wood post will need more depth than the same width post set in a wider concrete base.
The depth of your fence posts will be the single most important issue in building a fence. It will determine how long your fence remains standing. A simple rule is, height of fence, divided by 2. 4′ fence, posts need to be 2′ in the ground. And so on.
For example, if you are erecting a 6 foot high fence the posts need to be 6 feet above the ground. 6 divided by 3 is 2, therefore the depth of the hole required is 2 feet. The width of the post hole should be 3 times the width of diameter of the post
A beautiful fence starts with a well-made hole. To dig a good post hole, you need to go down a third and up to half of the height of the post height above ground. If your post is 6-feet tall, you will dig down at least 2 feet. For the width, you need to make the hole three times the width of the post you intend to use.
Posts set in concrete are even more susceptible to this phenomenon if they are not properly installed. Picture the industrious fence builder who carefully mixes concrete to pour around their fence posts. The natural tendency in digging a post hole leaves it smaller at the bottom than at the top.
North of Ohio, installers may go deeper in depth and larger in diameter. A general rule of thumb is to dig the diameter of the hole at least 3-4 times the diameter of the post. For example, if setting 4 x 4 wood posts, dig holes 9-12" in diameter. Posts should be centered in the hole and the posts should always have concrete under them.
The depth of your post holes–and how well the posts are anchored–are the most important factors in the stability of your fence. If you do not get the post holes deep enough there is a greater potential that your fence can be blown over. Before digging your fence post holes, call 8-1-1, the national Call-Before-You-Dig
Measure and mark the location of each fence post. Post hole diggers have a maximum effective depth of about 3/4 of their handle length, so a five foot pair will dig about 3 1/2 half deep. Very hard earth like clay is extremely difficult to dig with a manual pair of post hole diggers. A rock bar may work on dry clay.