For the width you need to make the hole three times the width of the post you intend to use.
How deep should a awning post be buried.
How deep should i dig fence posts to begin we suggest digging the post hole so it is approximately three times wider than the fence post.
The pressure treatment companies insist that these posts will last longer in the ground than the deck frame that is built above it and this practice is accepted by the irc code.
Holes should also be dug 10 12 inches wide or about 3 times the width of the post.
A quality post can will last for more than a decade and survive the heaviest of storms.
For our six foot high fence post we would need a hole that s 36 inches deep and 12 inches in diameter.
You need to dig a 12 inch wide hole for a 4 foot wood post.
230mm wide 9 x 600mm depth.
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.
For example if you have a 3 inch wide post that you need to sit over 1 83m 6ft in height above the ground we recommend the hole size should be.
Before you dig be sure to call your local utilities company to mark any underground cables.
To dig a good post hole you need to go down a third and up to half of the height of the post height above ground.
Plan to dig your post holes 6 inches deeper to have room for gravel.
Additionally the diameter of your post hole should be three times the diameter of your post.
Also reassess your fence layout and make sure your posts are where you want them.
If your post is 6 feet tall you will dig down at least 2 feet.
The depth at which a post is buried is crucial because it helps to determine how strong that post will be over time.
Especially since posts.
The buried post method offers the advantage of reducing the amount of concrete work required for each footing and actually provides additional lateral side to side support to the post to resist wind loads.