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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.
How deep should a 12 foot post be in the ground?
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).
How deep should a 9 foot fence post be?
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′) 15cm (6”) x 40cm (18”) 1.8m (6′) 15cm (6”) x 60cm (24”) 75mm (3”) 90cm (3′) 23cm (9”) x 30cm (12”) 1.2m (4′) 23cm (9”) x 40cm (18”).
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.
How deep should fence posts be?
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.
How deep should a 8ft 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.
How much concrete do I need for fence posts?
Summary: How Many bags Of Concrete Per 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 a concrete fence post be in the ground?
Dig your hole to the correct depth, allowing for the height of the fence panel and the gravel board. As a rough guide the hole should be a minimum 1/3 the height of the fence, so a 6 foot fence would need an 8 foot post in a 2 foot deep hole. Similarly, the hole should be three times the diameter of the post.
Do I need concrete for fence posts?
Do Fence Posts Need To Be Set in Concrete? 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.
Can pressure treated posts be set 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. Concrete should be poured around the post – no concrete under the post.
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.
How deep should I bury a 10 foot 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.
How deep should a 16 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.
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.
How do you bury a post in the ground?
Step-By-Step Instructions: Dig the post hole, making it three times the width of the post and at a depth equal to 1/3 to 1⁄2 of the above-ground length of the post, plus 6″ (right). Pour 6″ of gravel or crushed stone into the bottom of the hole. Set the post in the hole.
How big of a hole do I need for a 4×4 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 4×4-inch square post, your post hole will need to be 12 inches in diameter. For a six-foot-high fence post, we would need a hole that’s 36 inches deep and 12 inches in diameter.
How far apart do T posts need to be?
You should position T-posts no more than 8 feet apart.
How deep should a T post be?
When it comes to selecting the proper t-post for your project, choose a post that is 24″-36″ taller than your finished fence. That’s because the post will need to be buried at least 2′-2-1/2′ feet deep to prevent weather changes or determined animals from pulling them out.
How do you dig a 6 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.
How deep is a 3m post hole?
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.
