358 High Security Fence
The 358 High Security Fence is a perimeter barrier for critical infrastructure, built to withstand an active, tool-assisted attempt to breach it. The 76.2×12.7 mm mesh removes hand and foot holds entirely, and fixing with steel flat bars and security screws eliminates the weak points of conventional fixings. Available in heights of 2000–6000 mm for energy facilities, data centres and water utilities.
Technical data
Specifications
Why choose this
Features
- Small 76.2×12.7 mm mesh leaves no hand or foot holds and is difficult to climb
- Security screw fixing with no weak joints
- Structural rigidity resists bending and removal of panels
- Barbed wire and barbed wire coil available as accessories for all heights
- Intrusion detector can be integrated
- Suitable for energy facilities, data centres and water utilities
Suitability
Applications
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High Security
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ISO 22343 Crash-Rated Gates
Pur-ait's crash-rated gate as a high-speed bi-folding gate or sliding gate for critical infrastructure. ISO 22343 certified. Stops a vehicle and is suitable for data centres, power plants and sites covered by the CER Directive.
Read more →358 High Security Fence for protecting critical infrastructure
The 358 High Security Fence is designed for sites where physical protection must withstand an active attempt to break in with cutting tools. The name 358 refers to the mesh size, 76.2 mm (3 inches) high and 12.7 mm (0.5 inches) wide. These dimensions leave no room for a hand hold. A climber cannot get a proper grip with their fingers, and a cutting tool cannot be positioned at the right angle against the wire. A wire diameter of 4–6 mm and a height range of 2000–6000 mm cover even the most demanding perimeter security needs. Fixing with steel flat bars and security screws removes the weak points of conventional fixings, so a fence panel cannot be removed without special tools.
358 fence or a standard panel fence?
The Eco W welded mesh panel fence, for example, has a mesh size of 50×200 mm, which provides both a foothold and a grip for climbing. In the 358 fence, the 76.2×12.7 mm mesh removes hand and foot holds entirely. In addition, the security screw fixing of the 358 fence requires a special key that is not commercially available, whereas the screws of a conventional panel fence can be removed with ordinary tools. The choice depends on the level of protection needed. A panel fence may be enough to mark the boundary of a basic industrial site, but for an energy facility, data centre or water utility the 358 fence is a justified choice for the physical protection required by the CER Directive (EU 2022/2557).
LPS 1175 certification and the CER Directive
LPS 1175 is a British security rating scheme maintained by the Loss Prevention Certification Board (LPCB) through third-party laboratory testing. In class B3 the attacker has battery-powered tools such as an angle grinder, and the structure must withstand a systematic attempt to break in for at least three minutes. This is enough time for the surveillance system to detect the intrusion and for security staff to respond. The CER Directive (EU 2022/2557) requires critical entities to assess and document their physical protection measures. The 358 High Security Fence can be used as the outer perimeter, either as a standalone solution or as part of a layered system.
Typical sites and integrations
The 358 High Security Fence is suitable for energy facilities, electrical substations, data centres, water utilities, ports and airports. The tall 6000 mm version suits sites where adjacent buildings or terrain features could otherwise be used to get over a lower perimeter barrier. A low-profile intrusion detector integrates with the fence and detects panel movement or a cutting attempt. Cameras and lighting can be mounted on the posts, and the gates are connected to the access control system. Pur-ait supplies the fence, gates, sliding gates and pedestrian gateways as a complete solution from the same product range with compatible profiles.
358 High Security Fence price
The price of the 358 High Security Fence depends on the scope of the site, the height and the accessories. Per square metre the 358 fence costs more than a standard panel fence, but in critical infrastructure protection the difference is marginal compared with the cost of an intrusion that the fence would have prevented. Pur-ait offers both supply only and full installation throughout Finland. Request a site-specific quote and we will size the solution to the requirements of the CER Directive and your site's risk assessment.
See also
Frequently asked questions
358 High Security Fence, FAQ
What does 358 mean in the fence name?
Which sites is the 358 High Security Fence suitable for?
Is the 358 High Security Fence LPS 1175 certified?
Can an intrusion detector be installed on the 358 fence?
How much does the 358 High Security Fence cost?
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