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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. Then compact and level the gravel using a post or 2×4.
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 fence posts be set in concrete?
Setting Fence Posts in Concrete Concrete is the most secure material for setting fence posts, especially if you have sandy soil. Gravel may be okay with dense, clay-heavy soil, but in looser soil, concrete is the only thing that will truly keep your fence posts stuck in place.
How deep should an 8 foot post be in the ground?
In general, holes should be at least 3 feet deep for posts that extend 8 feet or more above ground level. Posts that extend 6 feet above ground level should have holes at least 2 1/2 feet deep.
Is 3 feet deep enough for fence posts?
Is 3-Feet Deep Enough For Fence Posts? As a general rule of thumb one-third of your post should be underground, the other two-thirds above. Let’s take a standard 6foot (72 inches) fence as an example. You will need a 9foot (108 Inches) post so that 3ft (35 inches) can be underground and 6ft can be above ground.
Is 18 inches deep enough for a fence post?
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.
How far apart should fence posts be?
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.
How long will a treated 4×4 post last in the ground?
A treated 4×4 will last 20 to 25 years in the ground if the conditions in the soil and climate are favorable. That number could increase to 40 to 75 years if you install the treated 4×4 in a cement ring rather than the soil. There are a few factors that influence how long the 4×4 can last in the ground.
How shallow can a fence post be?
For any type of fence, the depth of the hole you must dig depends on how tall the post will be above ground. You should always bury one-third of your fence post underground. For a 6-foot fence, for example, you need a 9-foot post, so that 3 feet can be underground.
Can you reuse fence posts with concrete?
Pulling up an existing fence post to reuse can be quite a task. Posts with concrete at the base are the most difficult to remove and reuse because the concrete base is larger than the post, which makes pulling it up through the ground much harder.
Can you put dry concrete in a post hole?
Fast-setting concrete is ideal for setting posts because there’s no mixing—you simply pour the dry concrete from the bag right into the hole, then add water.
Do you need planning permission for an 8 foot fence?
You will not need to apply for planning permission to take down a fence, wall,or gate, or to alter, maintain or improve an existing fence, wall or gate (no matter how high) so long as there is no increase in its height.
How do you dig a 4 foot post hole?
How to Dig a Hole: Pro Tips Step 1: String your line and pound the stakes. Step 2: Carve out a soil divot with a spade. Step 3: Loosen earth with a tile shovel. Step 4: Use your clamshell digger. Step 5: Use a reciprocating saw on large roots. Step 6: Dislodge rocks with a digging bar. Step 7: Tamp the soil with the other end.
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 4×4 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.
How tall should a fence be for a 6 foot fence?
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.
How many bags of concrete do you 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.
How deep should you dig the holes for 1.8 m wooden fence posts?
Hole Sizes for Fence Posts and Other Types of Posts Post size Height of post above ground Hole size (width x depth) 1.2m (4′) 23cm (9”) x 40cm (18”) 1.8m (6′) 23cm (9”) x 60cm (24”) 100mm (4”) 90cm (3′) 30cm (12”) x 30cm (12”) 1.2m (4′) 30cm (12”) x 45cm (18”).
How much concrete do I need for a post hole?
Prepare and wet the hole Before you begin, you need to dig and prepare the hole. It should be twice the diameter of the post and one-third of the post depth. Now thoroughly wet hole and make sure to avoid ‘pooling’ of water at the base. Add 100mm of Rapid Set Concrete to the base of the hole before placing post.
