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).
Can I use an auger to dig post holes? Post Hole Digging. If you’ve ever had some post hole digging to do, then you know that this can be a cumbersome, backbreaking job, especially if multiple holes need to be made. An auger simplifies this job, and it’s a tool that you can put to a variety of other uses.
What is the easiest way to dig a hole for a post?
- 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.
Can I use an auger for fence posts? You can use a post hole digger or power auger to dig the hole. A post hole digger is a manual tool and will get the job done in average soil. If you have hard, rocky soil or a lot of roots – you may want to opt for a power auger.
What size auger do I need for fence posts? A 12-inch auger, best attached to a heavy machine, will create a hole large enough for a 6×6 or 4×6 post and plenty of concrete. Smaller augers, like 4- or 6-inch options, are appropriate for light-duty work (like mailboxes) as well as metal fence posts for chain-link fences.
How deep should a fence post hole be? – Related Questions
How deep should a 8 foot 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.
Should 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.
How long does it take to dig a post hole with an auger?
Augers are available for rent at tool rental centers at a cost of around $60 a day. Power augers can dig as many holes in an hour as a post hole digger can dig in eight hours, with hole sizes ranging from 6” diameter holes and up.
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.
How big of a hole do you 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.
Can you use an auger when the ground is wet?
Especially if conditions are wet, the grass and vegetation may clog the end of the auger, sticking in place and making it impossible for the blades to get a grip on the soil below. Save yourself some time (and your auger a little trouble) by using a shovel to remove sod before you drill.
Will an auger go through rock?
Augers are very powerful machines with a lot of torque that can throw you like a sack of potatoes if the auger bit encounters a rock or a root. If your soil is loamy or sandy, you too can drill 30 holes in a day’s worth of rental. But rocky ground or heavy clay can stymie even the most powerful auger.
Why do fence posts rot at ground level?
Wood fence posts will rot due to prolonged exposure to moisture in the soil.
How far apart do you set 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.
How do I make sure fence posts are in line?
How deep should a 5 foot fence post be?
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 do I choose an auger?
If you anticipate the need to bury stakes or set small posts, then you may prefer a 4-inch auger or another, larger size. Also keep the length in mind. Shorter augers will require you to be on your hands and knees as you dig, while 28 and 36 inch augers will let you dig holes while from a standing position.
How deep should a 6×6 post be in the ground?
How deep should a post be in the ground:– in general, a post 6×6 or 8×8 that extend 8 feet or more above ground level should be at least 3 feet deep buried in the ground. Posts that extend 6 feet above ground level should have holes at least 2 1/2 feet deep.
Can you set a post with dry concrete?
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.
Should fence post be higher than fence?
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.
How do I put a post in the ground without concrete?
There are a few options for materials to set your fence posts if you aren’t using cement. These include dirt, gravel, sand, and crushed rock. Dirt: Filling the hole with dirt and compacting it will help to support the fence post. However, this method is not very strong.
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.
Do I need gravel under my fence post?
DO Employ a Base Gravel Layer. If a fence post fails without any sign of a pest infestation, it’s likely that the failure was caused by moisture that rotted the wood over time. To help slow such deterioration, add pea gravel or crushed stone to the bottom of the posthole.
How much gravel goes in the bottom of a post hole?
How much gravel do I put in the hole? You should put approximately 2″ to 4″ of gravel in the bottom of the hole making sure that the Post stands 6′ 4″ tall from the ground to the top of the post.
Do manual post hole diggers work?
For long swathes of new fencing, manual post hole diggers are a lot of work, but they are much more efficient than digging holes out with a spade and also give you neater edges so if you decide to use cement to set your fence posts, you’ll have a better set a the base as a result with less soil dilution on the edges.
Can an auger go through clay?
Augers are also great for soil that is tough to dig. Heavy clay soils, which tend to clump and stick to shovels, are no problem with an auger.
What is the fastest way to dig a hole in a shovel?
How much concrete does it take to fill a fence post hole?
Generally, for each fence post, you will need enough cement to fill a hole that is a third to half as deep as the post’s above-ground height and three times as wide (in diameter) as the actual post.
How long does it take to dig a fence post hole with an auger?
Augers are available for rent at tool rental centers at a cost of around $60 a day. Power augers can dig as many holes in an hour as a post hole digger can dig in eight hours, with hole sizes ranging from 6” diameter holes and up.
How do you use a hand post hole auger?
Do augers work in rocky soil?
For drilling in rocky soils, always recommend heavy-duty augers to avoid damage. These augers are equipped with a more durable tooth and side cutting blades as well as heavy-duty flighting.
