358 Security Mesh Panels – Anti-Climb Prison Mesh Fence Specifications

358 Security Mesh, also called 358 High-Security Fence or Prison Mesh Fence, is designed for critical perimeter protection. The "358" refers to its 3" × 0.5" (76.2 × 12.7 mm) mesh opening with 8-gauge (4.0 mm) wire, making it highly resistant to climbing and cutting. It is widely installed in prisons, airports, military bases, power plants, and transport infrastructure.

Mesh Details

Mesh Opening: 76.2 × 12.7 mm (3" × 0.5")
Wire Diameter: 4.0 mm horizontal and vertical wires (8-gauge)
Mesh Pattern: Rectangular welded grid with anti-climb spacing
Open Area: 42% for visibility and airflow
Weld Strength: Exceeds 75% of wire tensile strength for durability

Panels

Standard Heights: 1800 mm, 2000 mm, 2400 mm, 3000 mm (custom options available)
Panel Widths: 2515 mm or 3000 mm
Horizontal Wires (2400 mm height): 50 wires
Vertical Wires (2515 mm width): 210 wires

Post

Post Type: Square or rectangular hollow steel posts
Post Sizes: 60 × 60 mm × 2.5 mm, 80 × 60 mm × 2.5 mm, 120 × 60 mm × 3.0 mm (for tall or enhanced security)
Post Height: 2.7 m, 3.2 m, 4.2 m (depends on fence height)
Post Cap: Weatherproof PVC or welded steel caps

Surface Treatment

Hot-Dip Galvanized: Zinc coating 70–100 g/m²
Galvanized + Powder Coated: RAL colors (commonly green RAL6005 or black RAL9005)
PVC Coating: Additional corrosion protection for coastal/high-humidity environments

Accessories

Clamps/Brackets: Galvanized steel with anti-tamper fixings
Bolts & Nuts: Stainless or galvanized shear nuts
Security Add-ons: Razor wire, concertina coil, or barbed wire extensions

Packaging

Panels stacked on wooden or steel pallets
Separated by plastic film or foam layers to prevent coating damage
Wrapped with stretch film and secured with steel strapping
Posts and accessories packed separately with protective caps
Labels with project details for easy unloading and installation

Installation

Site Preparation: Mark fence line and post positions
Post Foundation: Concrete footings (depth ~600 mm) for stability
Panel Fixing: Bolt panels to posts using anti-tamper clamps
Additional Security: Install barbed/razor wire if required
Inspection: Check alignment and ensure tight fittings to avoid gaps

Product Display

358 security perimeter fence High-security perimeter fencing 358 mesh

Prison mesh fence installed along a secure perimeter

Anti-climb welded mesh panels with a blue powder-coated finish

Galvanized 358 fence panels stacked together

Product Name	Specifications (Size)	Description
358 Mesh Panel 1800 × 2515 mm	Mesh: 76.2 × 12.7 mm; Wire: 4.0 mm; Panel: 1800 mm H × 2515 mm W	This 358 mesh panel offers anti-climb security with 4.0 mm welded wires and narrow apertures. Suitable for industrial facilities and property perimeters, it provides durability, visibility, and corrosion resistance. Ideal for medium-security fencing where protection and cost-efficiency are important.
358 Mesh Panel 2000 × 2515 mm	Mesh: 76.2 × 12.7 mm; Wire: 4.0 mm; Panel: 2000 mm H × 2515 mm W	Designed for enhanced perimeter security, this 358 welded mesh panel is widely used in transport hubs and logistics centers. The anti-cut 4.0 mm wire design provides reliable protection, good airflow, and excellent corrosion resistance when galvanized or powder-coated for long-term outdoor performance.
358 Mesh Panel 2400 × 2515 mm	Mesh: 3" × 0.5"; Wire: 4.0 mm; Panel: 2400 mm H × 2515 mm W	This 2400 mm high 358 mesh fence is a preferred choice for airports, prisons, and critical infrastructure. It combines anti-climb apertures and welded strength for maximum security. The narrow openings resist cutting and climbing, making it ideal for sensitive sites requiring durable and tamper-proof fencing.
358 Mesh Panel 3000 × 2515 mm	Mesh: 76.2 × 12.7 mm; Wire: 4.0 mm; Panel: 3000 mm H × 2515 mm W	Extra-tall 3000 mm 358 mesh panels deliver top-level security for high-risk zones such as military bases and detention centers. Their robust anti-cut design and welded mesh construction make them effective against intrusion. Available with galvanized or powder-coated finish for extreme weather and long-term service life.
358 Mesh Panel 2400 × 3000 mm	Mesh: 76.2 × 12.7 mm; Wire: 4.0 mm; Panel: 2400 mm H × 3000 mm W	Wide-format 358 mesh panels reduce installation time while maintaining security standards. With anti-climb openings and 4.0 mm wire diameter, they protect large perimeters effectively. Ideal for industrial parks, ports, and logistics hubs where both coverage and security are critical.
358 Mesh Panel with 5.0 mm Wire	Mesh: 76.2 × 12.7 mm; Wire: 5.0 mm; Panel: 2400 × 2515 mm	Heavy-duty 358 mesh panels with 5.0 mm wire increase cut resistance and impact strength. These high-security panels are designed for facilities with extreme protection needs, including correctional facilities, government buildings, and power substations, offering maximum durability against forced entry.
3510 Mesh Panel Variant	Mesh: 75 × 10 mm; Wire: 4.0 mm; Panel: 2400 × 2515 mm	3510 mesh panels offer a similar anti-climb function as 358 mesh but feature tighter vertical spacing. They are widely used in projects demanding higher penetration resistance. Galvanized and powder-coated finishes ensure long-term durability against corrosion and mechanical wear.
Galvanized 358 Mesh Panel	Hot-dip galvanized zinc coating 70–100 g/m²; Mesh: 76.2 × 12.7 mm	Galvanized 358 mesh panels are ideal for outdoor high-security installations exposed to harsh weather. The hot-dip zinc coating prevents rust and extends service life. Commonly used for perimeter fencing in coastal regions, ports, and industrial zones where anti-corrosion properties are essential.
Powder-Coated 358 Mesh Panel	Polyester powder-coated finish; Colors: RAL6005 green, RAL9005 black; Mesh: 76.2 × 12.7 mm	Powder-coated 358 mesh panels provide both security and aesthetic appeal. The durable polyester coating improves corrosion resistance and offers a visually pleasing finish. Popular for public facilities, schools, and urban projects where safety and design must blend seamlessly.
358 Mesh Panel with Razor Wire Extension	Panel Height: 2400 mm; Extension: 600 mm V-top for razor/barbed wire	This 358 security mesh includes a V-shaped extension to mount razor or barbed wire for maximum perimeter defense. Widely installed in prisons, airports, and government facilities, it enhances security and acts as a strong intrusion deterrent.