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.
How deep should a awning post be buried.
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.
Additionally the diameter of your post hole should be three times the diameter of your post.
You need to dig a 12 inch wide hole for a 4 foot wood post.
For our six foot high fence post we would need a hole that s 36 inches deep and 12 inches in diameter.
For the width you need to make the hole three times the width of the post you intend to use.
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.
The depth at which a post is buried is crucial because it helps to determine how strong that post will be over time.
We ve spent hours researching more than 20 different support pole to provide you with our best picks.
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.
Plan to dig your post holes 6 inches deeper to have room for gravel.
A quality post can will last for more than a decade and survive the heaviest of storms.
230mm wide 9 x 600mm depth.
Holes should also be dug 10 12 inches wide or about 3 times the width of the post.
Before you dig be sure to call your local utilities company to mark any underground cables.
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.
Especially since posts.
If your post is 6 feet tall you will dig down at least 2 feet.
Also reassess your fence layout and make sure your posts are where you want them.