FAQ: How To Put A Post In The Ground With Concrete?

Can you put wood post in concrete?

First rule, gang: Do not set wooden posts in concrete. Look, no matter what preventative steps you take (and I’ll get to those), eventually wooden posts rot, and eventually you‘ll have to set new ones. Not only does burying them in concrete make for more work down the line, it actually can speed up the rotting.

How do you secure posts in the ground?

Procedure:

  1. Find a concrete surface and lightly tamp your digging iron against it.
  2. Remove the turf and topsoil from the site of the post.
  3. Dig the hole putting the displaced earth onto the tarp.
  4. Pour 4 inches of gravel into the hole.
  5. Place the post in the hole.
  6. Add another 2 inches of gravel around the base of the post.
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How do you keep fence posts from rotting in concrete?

Caulk Around the Fence Post Base



Apply high-quality exterior acrylic latex caulk, or silicone specifically designed to adhere to concrete, at the base of the post.

Should fence posts be set in concrete?

Concrete is the most secure material for setting fence posts, especially if you have sandy soil. Using premixed concrete rather than dry concrete will ensure ultimate security. While concrete is sturdy, it lacks the drainage of gravel and can trap moisture, ultimately leading to rot.

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.

Why deck posts should not be set in concrete?

A deck post should always be placed on top of footing, not inside concrete because it can break. Concrete tends to absorb moisture and wood expands when it gets wet, so these two factors combined will result in the wood breaking the concrete.

How do you secure a post in the ground without concrete?

Backfilling the fence post hole with gravel is another common alternative to using cement. Start with a hole about the size of the one you’d dig if you were using cement, insert a third of the post’s length into the hole, and then fill with crushed gravel, tamping every five inches until flush.

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Is 2 feet deep enough for fence posts?

Project Instructions



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 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 long does a pressure treated post last in the ground?

3) A deck built with pressure treated wood will last a long time. Promotional literature promises lifelong performance for pressure treated wood. The Forest Products Laboratory and other research groups have shown that treated wood stakes placed in the ground for more than 40 years remain rot-free.

How long will a treated post last in concrete?

5 Answers. A PT post will last a long time in concrete, maybe 5 to 10 years in soil alone. I suggest you embed the post in concrete, trowel a peak around the post so water runs off, and don’t let the PT post come in contact with the ground.

How long will a pressure treated 4×4 post last in the ground?

The treated post that are rated for ground contact are guaranteed for 40 years.

How many bags of concrete do I need for a 4×4 post?

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.

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Should I use 4×4 or 6×6 fence posts?

4×4 is perfect for these very standard fence dimensions. Normally 4×6 or 6×6 are needed for gates or extreme wind loads.

How much concrete do I need for a post hole?

Remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6 feet above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground). The calculator will indicate the number of 50 lb. bags of QUIKRETE® Fast-Setting Concrete you need.

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