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Your Position: Home - Wire Mesh - What is 358 anti climb mesh and Why Do We Use Them?

What is 358 anti climb mesh and Why Do We Use Them?

Author: Liang

Sep. 01, 2025

Protek 358 Clamp Prison Anti-Climb Mesh Fencing System

Prison Mesh Flat Panel Security Fence System

Protek 358 security mesh is designed to be almost impossible to climb, due to the narrow apertures of the mesh preventing any intruder gaining a foothold, while still retaining a good level of visibility and an aesthetically pleasing appearance.

Goto Woda to know more.

Protek 358 prison mesh fencing still maintains a good level of visibility through the fence, while the tightly spaced wire mesh and multiple welded intersections on the panels are incredibly hard to penetrate or cut using standard cutting tools, providing high rigidity and strength from attack. Every 358 fencing panel is overlapped with a full-height clamp bar with multiple anti-tamper fixings, forming a fence line that provides a very high level of security.

Due to the very high level of security, Protek 358 fencing is used extensively by the Ministry of Defence around high security facilities. It is also ideal for use on industrial sites and data centres, as well as security fencing for prisons, or any area where an imposing high security fence is needed.

Available In Multiple Sizes And Colours

Protek 358 prison mesh fencing is available in heights from 1.8m, up to 3m. As the height of the 358 fence gets taller, the size of the supporting posts is increased to ensure maximum stability. All our of 358 mesh panels are galvanised to provide long-lasting weather protection, and can also be powder coated to over RAL colours, with common colours held in stock for fast dispatch.

Complete Your System With A Matching Gate

We can either manufacture Protek 358 security gates to your bespoke size, or for quick lead time we stock a comprehensive range of singles and doubles in various heights and widths. Hinges are inverted on all gates to prevent lift off.

One Of The UK’s Leading Metal Boundary Fencing Suppliers

Alexandra Security is a leading supplier of mesh fencing in the UK, and our high quality perimeter fencing is made to last. Each fence is supplied in a galvanised finish for long term weather protection, and if required a polyester powder coat finish to a colour of your choice can be applied to give extra protection and an improved aesthetic appeal.

356/358 Extra High Security Welded Mesh Fencing - 2D & 3D Fence

358 extra high security mesh fence made from a type of strong welded mesh panel with small mesh opening. It is extremely difficult to penetrate and difficult to attack using conventional hand tools. Has the features of anti-climbing and anti-cutting. The fence name 358 comes from its panel mesh opening 3" × 0.5" × 8 gauge - approximate to 76.2 mm × 12.7 mm × 4 mm mesh opening.

358 mesh fence Features:

  • Anti-climbing: more small openings, no toe or finger holds.
  • Anti-cut: robust wire and welded joints make cutting very difficult by bolt cutters and wire cutters.
  • High strength welded at each intersection.
  • Durable: covering Galfan and polymer powder coating ensure a long service life.
  • Mesh fencing specially configured to provide maximum visibility, especially used for emergency and electronic detection systems.
  • 358M-01: Anti-cutting 358 mesh fencing

  • 358M-02: Anti-climbing 358 mesh fencing

The panels are made of heavy mesh with a high level of security in width mm and a height of mm to mm. Several panels can be installed on top of each other. Thus may be achieved a total height of mm.

358 mesh panel size

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

  • Mesh pattern: 76.2 mm (3") × 12.7 mm (0.5") resistance welded well at each intersection.
  • Wire diameter: 4 mm horizontal wire and vertical Wire.
  • Weld strength: range 540–690 N/m2.
  • Surface treatment: 358 mesh fence panels made from galfan wire, then PVC powder coating (Min. 100 micron), or PVC powder painting. It provides additional protection and increases the potential life span.
  • Colors: Green RAL , or Black RAL .
  • Installation: Overlapped 75 mm minimum at each post (See pictures 358M-05 and 358M-06) for securing with slotted clamp bars and M8 diameter bolts.
  • 358M-03: 358 fence panel with mesh size length 76.2 mm

  • 358M-04: 358 fence panel with mesh size height 12.6 mm

Fence posts

  • Material: high grade steel for maximum strength and rigidity.
  • Post section: 60 × 60 mm, 80 × 80 mm, 100 × 100 mm or 120 × 120 mm.
  • Post Plate thickness: 2.5/3.0/4.0/5.0 mm.
  • Finish: inside and outside galvanized (Min. 275 g/m2), subsequently covered with a polymer powder (Min. 60 micron ).
  • Colors: Green RAL , or Black RAL .
  • Post cap: metal caps or plastic cap.
  • Metal clips and clamps are hot dip galvanised then powder coating in green or black color.
  • 358M-05: When install 358 fence on post need overlapped 75 mm minimum at each post

  • 358M-06: Black 358 mesh fencing used for protection of residential.

358 high security fences are packaged in plastic film then stored and transported on wooden pallets. Each package is firmly attached to the pallet by a special type tape.

Application: as an anti-climb & anti-cut through barrier, 358 welded wire extra high security fence is designed with maximum security in mind. It is ideally suitable for electronic alarm and detection systems, fencing in prisons, military sites, and airports, industrial and commercial properties, warehouses, power plants, offshore petrochemical facilities, seaport Perimeter, laboratories, secure hospitals, schools, parks, leisure and recreational areas. 358 fence will give them a long lasting and secure perimeter protection with attractive appearance. Generally, 3.60 m height fence is used in schools, parks, leisure and recreational areas, 5.20 m height fence widely used in prison and military establishments.

2D Security Fencing with 4 mm double horizontal wire and 6 mm vertical wire for greater strength.

This panels increase strength by 6 mm vertical wire and additional 4 mm wires at 152.4 mm centres on the inside face. So it has double horizontal wires at 152.4 mm centres. This structure makes the fence panel very rigid and has a higher level of strength and security than common 358 mesh fence. 2D Security Fencing is widely used for schools, industrial sites, infrastructure, and high security areas.

  • 358M-08: Green color powder coating 2D security fencing with 6 mm vertical wire and 4 mm double horizontal wire

  • 358M-09: Details of 2D security fencing panel installed on post

2D security fencing Specifications

Contact us to discuss your requirements of metal aluminum fence. Our experienced sales team can help you identify the options that best suit your needs.

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