How far down should fence posts be dug?

The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet). Add about 6 inches of QUIKRETE All-Purpose Gravel into the bottom of the hole.
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How deep should a 7 foot fence post be?

How Deep Should a Fence Post Be? For an average fence post, about 6 to 8 feet tall, prepare to dig a post hole about 2 feet deep. To install a fence post, you'll need a shovel or post digger, a 6-foot level, soil, and gravel or crushed stone.
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How deep does a fence post need to be set below ground for a 4ft above ground height?

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.
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How far down does at post need to be?

Typically, in part to ensure that posts lodge below the frost line, experts call for a hole deep enough to submerge the bottom third of the post below ground. For a six-foot-tall post, therefore, you would dig a hole two feet deep. The ideal diameter, meanwhile, should measure three times the width of the post.
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Is 2 feet deep enough for fence posts?

The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).
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How To Build A Fence: How Deep Should Fence Posts Be Set?



Can a fence post be 1 foot deep?

Especially since posts are responsible for supporting the rest of the fence, including panels and heavy gates, you must make sure that you buy a long enough post for your purposes and bury it deep enough. In most circumstances, a 1-foot hole will not be deep enough to provide proper support.
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How deep should a 5ft fence post be?

Lawsons experts recommend you should dig a hole which has a depth of 2 ft (24 in / 600mm) to ensure you have a stable timber or concrete fence post.
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Should wood fence posts be set in concrete?

Concrete provides a strong foundation for wooden fence posts, but can rot them more quickly. Setting them in dirt, with or without gravel or crushed rock depending on your soil type, can help the posts last longer before going rotten. You can also use metal fence post anchors to prolong their life.
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Do fence post need to be below the frost line?

For example, a 6-foot tall fence will need at least 2 feet of post in the ground. Consider the frost line in your area. The bottom of the post needs to sit below the frost line (consult local codes for exact requirements). The frost line (also called frost depth) varies from region to region.
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What size post do you use for an 8 foot fence?

A common rule of thumb, is to dig the hole 3 times as large as the post, and to a depth of 1/3-1/2 of the post height above ground. so for a 8' high fence, using 4x4 posts. dig the holes 12" in diameter, to a depth of 2 1/2 - 4'. Of course, that's assuming you're setting the posts in concrete.
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What size fence post do I need for 6ft fence?

Calculate the post lengths

If you're setting wooden or concrete posts in concrete you'll need 8ft (2.4m) posts for a 6ft (1.828m) fence – i.e. your posts are 2ft (0.6m) longer than the fence height. Use 4in x 4in posts for fences of 5ft and over and 3in x 3in posts for anything under 5ft.
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What size post do you use for a 6 foot fence?

Post lengths for fences start at 8 or 10 feet for a 6-foot-tall fence. They are commonly four-by-fours, which measure approximately 3 1/2 by 3 1/2 inches, or six-by-sixes, at around 5 1/2 by 5 1/2 inches.
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How many bags of concrete do you need for a fence post?

Most fence post holes will need between 1 - 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.
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How big of a hole do you need for a 4x4 post?

The diameter of your post hole should be three times the diameter of your post. So, if you're planning on using a four-inch round or 4x4-inch square post, your post hole will need to be 12 inches in diameter.
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Can you put 6ft fence panels in 5ft posts?

6 foot into 5 foot posts should be ok, but you will need am infill panel inbetween the panels.... I've done this before by adding two strips of batten (or similar) down the edge of the panel to bring it proud of the post, then just add a piece of timber to cover the whole post and your 2 foot gap.
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How many bags of quikrete do I need for a fence post?

1 – 4 bags of concrete per fence post are typically what's needed. This depends on the type of soil, fence design, height, post size and bag weight. In general the depth of the post's hole needs to be 1/3 to 1/2 of the above ground height of the post.
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Is quikrete good for fence posts?

The best concrete mix for fence posts I've found is Quikrete Fast Setting Concrete Mix in a 50 lb bag. It's 4000 psi, easy to work with, sets up fast, and doesn't need to be mixed. Just pour it in the hole and soak with water.
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Should you cement fence posts?

First rule, gang: Do not set wooden posts in concrete. Look, no matter what preventative steps you take (and I'll get to those), eventually wooden posts rot, and eventually you'll have to set new ones. Not only does burying them in concrete make for more work down the line, it actually can speed up the rotting.
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How do you keep fence posts from rotting in concrete?

Fill the first three inches up with gravel so the end of the post doesn't come into contact with the dirt. Gravel allows water to drain quickly away from the post and into the soil. Be sure to place the post in the center of the hole. Finally, fill the entire hole up with cement to the top.
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How long does concrete take to set in a post hole?

The concrete sets up in 20 to 40 minutes, so you can quickly move on to the next stage of the project (a great convenience when setting fence posts) or backfill the hole to finish the job. Under normal curing conditions, you can apply heavy weight to the post (a basketball backboard, for example) after just 4 hours.
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Can fence panels be higher than posts?

Fence panels cannot be higher than posts. Fence panels, when the fence is completely done, should stand at about the same height as the posts. This will give an aesthetically pleasing look to the finished product. This is to say that the posts and panels you buy should not be the same height.
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