Can you put a fence on concrete?

When installing a fence on an existing concrete pad, some fence installers prefer to core drill through the concrete and set posts the traditional way – embedded in concrete underground. Using a rented core drill, you can drill a hole through your concrete slab for each fence post.

How far should a fence be from concrete?

Postholes for a straight-line fence should be spaced 8 feet apart. Generally, these postholes should extend to a depth of 3 feet. For the stronger zigzag fence, spacing on the posts can vary from 12 to 16 feet apart.

How do you stabilize a fence post in concrete?

Here’s what to do:

1. Take out adjacent fence construction.
2. Cut or buy a few tapered (top to bottom) surveyor stakes about 24 inches long.
3. Drive a stake into the ground next to the post or next to the concrete.
4. Pull the stake.
5. Fill the hole with water and level the post.
6. Add dry premixed concrete to the top of the hole.

What is the best concrete for fence posts?

Fast-setting concrete is ideal for installing fence posts since it doesn’t need to be mixed in a bucket or a wheelbarrow. Once you’ve finished digging your post holes, add about three to four inches of gravel into the bottom and compact it using a post or a 2×4.

How do you install fence posts 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.

Do you need a permit to pour concrete driveway?

Regardless of whether you’re pouring a concrete driveway or patio, indoor concrete floor, or simply making concrete planter borders, municipal building regulations might require you to have a permit. Starting your project without the proper permits can result in hefty fines.

Do fence posts need 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.

How do I stop my fence post from wobbling?

If the fence post is becoming loose and the fence is moving, a concrete repair spur can be used to support the wooden post. If most of the post underground is rotten or the post has snapped, you will need to replace the post entirely (see above for help on this).

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.

Should you use concrete for fence posts?

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.

How do you install a fence post in concrete?

Setting the Fence Post with Concrete Set posts in concrete when stability is extra important. Prepare your fence posts. Dig a wide hole. Add a few inches of gravel. Brace the post. Repeat for each post hole. Add more gravel. Mix your concrete. Fill the hole with concrete. Trowel the concrete into a slope shape.

How do you fence over concrete?

You can attach fence posts to a concrete slab. It requires welding a plate to the base of your posts, drilling a hole in each corner of the plate. Then use a hammer drill to drill holes in the concrete matching the holes in the plate. Then, simply hammer in anchors, tighten bolts and you’re done. Another option is core drilling.

Should my fence posts be set in concrete?

Below are the basic steps for setting fence posts in concrete to help you install a stable fence for the long haul: Dig a hole for each post (roughly two to three feet for optimal stability) using a 6″ auger if possible. Once you’ve completing digging, insert post in the hole, making sure that the post is level and plumb (even left and right, and even up and down). To set the posts, the best concrete solution is a ready mix called sakrete .

Do fence posts have to be set in concrete?

Whether you are going the DIY route or having a professional company install them, fence posts should always be set in concrete. In fact, the posts for any structure, whether it’s a trellis, pergola , fence, or deck should be set in concrete.