Readers ask: How To Build A Fence On Concrete Slab?

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 do you attach a fence to concrete?

Fixing the fence post onto a hard surface:

  1. Position your post support shoe.
  2. Mark the positions of all the bolt holes.
  3. Drill the holes for the bolts.
  4. reposition the support and fix in place.
  5. Insert the fence post and tighten bolts on the support shoe.
  6. Keep the post straight with a spirit level.

How do you keep fence posts from rotting in concrete?

Consider Adding Posts to Concrete



From here, you should fill the hole with about 6 inches of gravel. This will prevent rotting by ensuring that the post is kept dry when water makes its way into the soil. Place the post in the gravel, then fill with a batch of cement until it reaches the top of the hole.

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How do you attach something to concrete without drilling?

A simple fix might include an adhesive or adhesive-baked hook, while there are other fasteners like hard wall hooks and masonry nails. Powder-actuated fasteners and concrete nail guns are useful for supporting frames and providing a much greater hold.

How do you attach a wood fence to a concrete post?

You could fix timber to the existing concrete posts using the existing wire holes. Then run panels across the front using the timber to fix to. Or run additional timber across these to form a framework to attach the fence panels to.

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.

How deep should concrete fence posts 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: 230mm [wide] (9”) x 600mm [depth]. This rule of thumb that can be followed for all size posts (e.g. a 6ft high fence would require a hole depth of at least 600mm or 2ft).

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).

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How much does a concrete fence cost?

Depending on the difficulty outlined above, the average installation pricing for a 6 feet high concrete fence is $32 – $42.

Will treated wood rot in concrete?

Registered. Pressure treated wood will eventually rot in concrete.not nearly as quickly as untreated, but it WILL eventually.

How long do fence posts last in concrete?

Another thing to note, damaged fence posts can bring health and safety risks to your outdoor space – a rotting fence won’t stand for long in strong winds, so consider this when deciding on your new fence. Concrete is a durable building material and can last for around 20 years with minimal maintenance.

How long will 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.

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