FAQ: How Much Concrete Per Fence Post?

How much concrete is needed 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.

How many bags of concrete do I need for a post?

Our example post will require two bags for every post if you’re using fast-setting concrete. Fast-setting concrete is ideal for installing fence posts since it doesn’t need to be mixed in a bucket or a wheelbarrow.

How many bags of concrete do I need for a 4×4 post?

It’s right for a 4×4 fence post to have 1 bag per hole. The depth of the post hole should be half of the post height. For a 6′ above ground post, place 3 feet in the ground and use a post with an overall height of 9 feet.

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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.

Should I use concrete for fence posts?

Concrete is the most secure material for setting fence posts, especially if you have sandy soil. Using premixed concrete rather than dry concrete will ensure ultimate security. While concrete is sturdy, it lacks the drainage of gravel and can trap moisture, ultimately leading to rot.

How many bags of concrete do I need for a 12×12 slab?

Regarding this, “how many bags of concrete do I need for a 12×12 slab?”, at 4 inches thick, generally you will need approximately either 104 bags of 60lb or 80 bags of 80lb of premixed concrete for a 12×12 slab, at 5 inches thick slab, either 131 bags of 60lb or 100 bags of 80lb premixed concrete are required, while at

Is quikrete as strong as concrete?

Quikrete fast setting concrete is just as strong as regular concrete. Concrete gets its strength from a chemical reaction that occurs over time during curing. After it’s had time to cure, which usually take 28 days to complete, Quikrete can reach strengths up to 5000 psi.

What is the best concrete mix for fence posts?

In terms of the ratio to use for a concreting fence posts, the best mix is a mix of 1:2:4 (1 cement, 2 sand, 4 aggregate). Concrete is always best mixed using a cement mixer to ensure it’s even, but if you only need to mix a little, hand mixing is ok (see mixing concrete project above for tips on how to do this).

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Is fast setting concrete weaker?

Fast-setting concrete isn’t just simple and fast, it’s also durable and strong, reaching 4000 psi — or pounds of force per square inch —after a month. That’s stronger than the concrete used for foundations on most homes.

How deep should a 3 foot fence post be?

The general rule is when setting a fence post into the ground, the height required above the ground should be divided by 3 and this figure is the hole depth required. The width of the post hole should be 3 times the width of diameter of the post.

Is 2 feet deep enough for a 6 foot fence?

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).

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.

Will wooden posts rot in concrete?

Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts. With pressure-treated posts, the rot will be slow. The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base.

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