The 358 Anti-Climb Fence is a high-security fencing system known for its strength, durability, and anti-climbing features. Here are some common questions and information you should know about the 358 Anti-Climb Fence:

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1. What is a 358 Anti-Climb Fence?

The 358 Anti-Climb Fence is a mesh panel fencing system characterized by its 3" × 0.5" (76.2 mm × 12.7 mm) aperture, making it difficult for intruders to climb or cut through. The name "358" is derived from these dimensions.

2. Why is it Called "Anti-Climb"?

The fence is referred to as "anti-climb" because its design makes it extremely challenging for individuals to climb over. The small mesh size prevents footholds, and the closely spaced wires discourage attempts to scale the fence.

3. What are the Key Features?

Small Mesh Size: The 3" × 0.5" mesh size is too small for fingers or tools to grip, preventing climbing.

High-Strength: The welded mesh panels and steel posts provide a robust and durable security barrier.

Cut-Resistance: The close spacing of horizontal and vertical wires makes it difficult to cut through the fence.

Vandal Resistance: The design discourages tampering and vandalism.

358 Anti Climb Fence 

4. Where is it Used?

The 358 Anti-Climb Fence is commonly used in high-security areas such as prisons, military installations, airports, data centers, and other critical infrastructure sites. It is also employed in commercial and industrial facilities where enhanced security is a priority.

5. Is it Weather Resistant?

The fence is typically constructed using galvanized or galvanized and powder-coated steel, making it resistant to corrosion and suitable for outdoor use in various weather conditions.

6. What are the Installation Requirements?

Installation requires the use of specialized posts and fixing methods. It's essential to follow the manufacturer's installation guidelines for proper security and effectiveness.

7. Can it be Customized?

The 358 Anti-Climb Fence can often be customized to meet specific site requirements, including variations in height, color, and additional security features like barbed wire or electrification.

358 Anti Climb Fence 

8. Does it Provide Privacy?

While the primary purpose of the 358 Anti-Climb Fence is security, it also offers some degree of privacy due to its mesh design. However, it is not as opaque as solid fencing options.

9. Maintenance Considerations:

The maintenance requirements are generally low, thanks to the corrosion-resistant materials used. Regular inspections and minor repairs may be necessary to ensure ongoing effectiveness.

10. Compliance and Standards:

The 358 Anti-Climb Fence may need to meet specific security and safety standards depending on its application and location. Ensure compliance with relevant standards and regulations.

Before installing a 358 Anti-Climb Fence, it's crucial to consult with a professional security fencing provider to assess site-specific requirements and ensure that the chosen system meets your security objectives. Additionally, always adhere to local regulations and standards when installing security fencing.

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Safe Perimeter Security with 358 Mesh Fencing and Roller Barrier

Often simply called anti climb mesh, security mesh or even prison mesh, 358 mesh fencing is synonymous with robust perimeter security. In this post we clarify exactly what 358 mesh fencing is and demonstrate how we use it in conjunction with our Roller Barrier anti climb system to cost-effectively enhance existing security fencing.

What is 358 Mesh?

358 Mesh is a welded wire mesh made from high grade steel. This form of mesh fencing is widely used in high security applications and environments such as prisons and military establishments. The robust steel wire and tough welded joints make the security fencing extremely difficult to penetrate, even with bolt cutters and wire cutters. And the small mesh dimensions are the key feature that makes this mesh impossible to climb.

358 mesh fencing panels are generally galvanised for durability and can be powder coated after galvanisation for further protection.

Why is it Called 358 Mesh?

The name ‘358 mesh’ describes the dimensions of the mesh. Each aperture (measured between the bar centres) is 3 inches long (75mm), 0.5 inches high (12.5mm) and made from 8 gauge steel wire, which is approximately 4 mm thick. Anti climb 356 mesh, with thicker steel wire, and mesh fencing, using thinner steel wire, are also used in some applications.

The image above shows how the dimensions of the 358 mesh are too small to gain a finger or toe hold. The image also shows the robustly welded joints and the galvanised finish that ensures a reliable long life.

How High Should a Security Fence Be?

Establishing and maintaining the highest level of security is essential for most professional establishments, especially schools, sports facilities, government properties and secure premises such as prisons and psychiatric hospitals. Perimeter security fencing around properties such as these tends to be at least 2 metres high and often extends to 3 metres or higher, with 3 metres being a popular choice for general applications. Security fencing in high risk environments such as prisons is typically in excess of 5 metres high. 

For private properties in the UK the maximum height allowed for fencing in back gardens and between neighbouring properties is 2 metres. And in front gardens, or where fencing is next to a highway, the maximum height is just 1 metre. For anything higher than this planning permission is generally required. 358 Security mesh fencing isn`t normally used in domestic settings.

When considering the height of security fencing its essential to check with the relevant local authority for their rules and regulations. And if the fencing affects neighbouring properties it`s always a good idea to have a chat with them before making any changes.

How to Make an Existing Fence More Secure and Safe

Increasing the height of existing fencing is one of the primary ways to make it more secure. If the existing fencing consists of standard security fence panels, or maybe chain link fencing, then preventing handholds by overlaying the top 1 metre with 358 mesh fence panels provides a highly effective security enhancement while installing Roller Barrier along the fence-top safely increases the height.

Importantly, both 358 mesh anti climb security fencing and Roller Barrier are totally non-aggressive, harmless anti-climb solutions. Unlike razor wire and some sharp, spiked anti-climb solutions, people coming into contact with 358 security mesh or attempting to climb over Roller Barrier cannot harm themselves on these products, which fulfils the property owner’s ‘duty of care’ obligations.

Enhancing Existing Security Fencing

While 358 anti climb security fencing is highly effective it`s also expensive. Many establishments simply don’t have the budgets to afford expensive anti climb 358 mesh fencing everywhere. Most will typically use lower cost chain-link fencing or standard security fencing, but this can result in areas of vulnerability where anti climb protection is inadequate yet essential.

As noted, existing perimeter security can be significantly enhanced by using a combination of 358 mesh panels in conjunction with our Roller Barrier anti climb system. Rather than replacing the existing chain link or security fencing, 358 mesh panels are mounted on top of the existing fencing, covering just the uppermost metre of the existing fence. Even if climbers are able to reach this protected section they can’t get a firm toe or finger hold on the 358 mesh fence and importantly, can’t harm themselves if they try.

And the rigid 358 mesh anti climb fencing panels provide a robust foundation that supports the mounting of Roller Barrier above, safely increasing the height of the boundary fence. Where additional height is required a double row of Roller Barrier can be readily installed.

The image above demonstrates how 358 mesh security fencing panels have been installed along the uppermost section of these gates with Roller Barrier along the top to increase the height and safely deter and prevent unwanted intruders.

The image above shows how just 1 metre of 358 mesh anti climb fencing in conjunction with a double-row Roller Barrier installation has made this school`s fencing impossible to climb. This security enhancement is successfully preventing youngsters from gaining access to pipework which they were previously using as a climbing frame, putting themselves at risk of injury and possibly damaging vital school systems.

The image above shows another school installation where the 358 mesh fence panels are overlaying the top section of an existing security fence with Roller Barrier along the top. As can be seen, the Roller Barrier support brackets are firmly attached to the rigid security fencing and the security enhancement is now preventing youngsters from climbing the fence to gain access to the flat building rooftop where they were putting themselves at risk of injury. 

If you have any questions about perimeter security or if you have any special requirements remember that we are here to help. Give us a call on and we’ll provide you with free, expert advice.

This message was added on Thursday 24th March

For more 358 anti climb meshinformation, please contact us. We will provide professional answers.