- 1 Should fence posts be set in concrete?
- 2 What is the best way to set fence posts in concrete?
- 3 Can you set fence posts with dry concrete?
- 4 Is 2 feet deep enough for fence posts?
- 5 Will wooden posts rot in concrete?
- 6 How do you keep fence posts from rotting in concrete?
- 7 How long will a pressure treated post last in the ground?
- 8 How many bags of cement do I need for a fence post?
- 9 How do I keep my post level while concrete dries?
- 10 Can I pour concrete in a hole full of water?
- 11 Does filling a post with concrete make it stronger?
- 12 How many posts will a 20kg bag of Postcrete do?
- 13 What is the best concrete mix for fence posts?
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.
What is the best way to set fence posts in concrete?
Set the post into the hole and attach 2×4 braces to adjacent sides of the post. Use a level to position the post perfectly vertical. Fill the hole with Fast-Setting Concrete up to 3 to 4 inches below ground level. Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix.
Can you set fence posts 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.
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.
Will wooden posts rot 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. The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base.
How do you keep fence posts from rotting in concrete?
Fill the first three inches up with gravel so the end of the post doesn’t come into contact with the dirt. Gravel allows water to drain quickly away from the post and into the soil. Be sure to place the post in the center of the hole. Finally, fill the entire hole up with cement to the top.
How long will a pressure treated post last in the ground?
The length of time that you can keep a treated post in the ground depends on a few different factors. Generally speaking, in the optimal conditions, it can last as long as 40 years. More commonly, though, it will last around 20 years.
How many bags of cement do I need for a fence post?
Most fence post holes will need between 1 – 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.
How do I keep my post level while concrete dries?
You need to level it in two directions with a 4-foot level. After getting it straight in the first direction, hold one of the braces against the post and drive a single screw to connect the brace to the post. You can then level and brace the post in the other direction and begin filling the hole.
Can I pour concrete in a hole full of water?
The water in the hole under the pipe can be sucked out with a wet-dry vacuum before and during the repair job.
Does filling a post with concrete make it stronger?
Solidifying a tube increases bending resistance. Filling with concrete is not as effective as increasing wall thickness or changing the shape, but it’s a proven technique.
How many posts will a 20kg bag of Postcrete do?
“Usually one bag of postcrete per post is enough, however you can use a two bags per post if you feel this is needed. The instructions are on the bag.”
What is the best concrete mix for fence posts?
In terms of the ratio to use for a concreting fence posts, the best mix is a mix of 1:2:4 (1 cement, 2 sand, 4 aggregate). Concrete is always best mixed using a cement mixer to ensure it’s even, but if you only need to mix a little, hand mixing is ok (see mixing concrete project above for tips on how to do this).