Is 8 inch hole big enough for fence post?

DON'T Make Postholes Too Small
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. So, for a standard 4×4, the ideal hole would span twelve inches across.
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How big does the hole need to be for a fence post?

Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). 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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What size hole should you dig for a 4x4 post?

Additionally, 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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How deep should a hole be for a 8ft post?

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. For gateposts, you'll need concrete too.
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How big is a standard post hole?

Hole depths for fence posts

As a rule of thumb, the hole should be roughly a third of the post's height. So if your fence is 1.8 metres, the hole should be 0.6 metres.
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How to Set a Post for a Fence or Deck



Is 2 feet deep enough for fence posts?

The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post's aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.
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What size post do you use for a 6 foot fence?

The general rule of thumb is that your fence posts needs to be two feet longer than the total height of your fence - including a gravel board, if you're using one. A 6ft fence requires an 8ft fence post.
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How deep should a 6ft fence post be?

The width of the post hole should be 3 times the width of diameter of the post. For example, if you are erecting a 6 foot high fence using 4 inch fence posts, 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.
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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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How many bags of cement 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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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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How much concrete does it take to fill a post hole?

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 I need for a 8x8 post?

How big of a hole do i need for a 8×8 post:- as per general thumb rule and guidelines, for a 8×8 post you will need holes should be at least 3 feet long and 2 feet wide for posts that extend 8 feet or more above ground level.
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What size post do I need for a 5 foot fence?

What size T- post for 5 foot fence:- For a 5 foot high fence, you should use T-posts size that are atleast 8 feet in length, out of 8 feet, 2.5 feet buried in ground, 6″ is kept for extra and rest 5 feet above the ground. Thus, for established a 5 foot fence you will need minimum of 8 feet long size T- post.
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How many posts do I need for a 8 foot fence?

The number of posts you will need is your fence length divided by 6 or 8. For example, a yard of 100 feet with 8-foot placement will require around 13 posts. Take your gate into consideration as well.
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What is the actual size of a 4x4 post?

The lumber industry defines standard wood post sizes as 4x4 or 6x6. The outside dimensions of the standard 4x4 measure 3-1/2" x 3-1/2", and the outside dimensions of the standard 6x6 measure 5-1/2" x 5-1/2".
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Should wood fence posts be set in concrete?

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 much Postcrete do you need per post?

The exact amount of Post Mix Concrete needed will vary depending on the width and depth of the hole, but as a general rule you'll need about one and a third bags for a standard fence post. A gate post, which works harder than a fence post due to the movement of the gate, may require three or four bags.
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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 far apart should 4x4 fence posts be?

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.
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What size posts do I need for 4 ft fence?

When figuring out what size T-post to use for a four-foot fence, remember that you will drive the posts about two feet into the ground. This means you need posts that are at least 24 inches longer than how tall you want your fence. For a four-foot fence, you should use T-posts that are at least six feet long.
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Do fence posts need cement?

No, fence posts don't need to be set in concrete, and there are plenty of other ways to fix your posts if this feels a bit too permanent. If you are using wooden posts, concrete may actually be the worst option.
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