What is 358 mesh fence and why is it used for high-security applications?

358 mesh (also called 'prison mesh' or 'anti-climb mesh') has 12.7mm × 76.2mm openings — too small for fingers or bolt cutters to penetrate. The double 8mm horizontal and vertical wires make it extremely rigid. It takes 15+ minutes to cut through with professional tools, giving security personnel ample response time. Required specification for UK Home Office, US Department of Defense, and NATO perimeter security standards.

Should I choose welded mesh panels or chain link fence for my industrial site?

Welded mesh panels offer higher security, cleaner appearance, and lower long-term maintenance. They resist cutting and climbing better than chain link. Chain link is 30–40% cheaper upfront and handles uneven terrain better. Recommendation: welded panels for perimeter security and public-facing areas; chain link for internal segregation, storage yards, and rough terrain where cost is the priority.

What post spacing and foundation depth do I need for a 2.4m high fence?

For 2.4m welded mesh panels: 2.5m post spacing with 60×60mm square posts, concrete foundations 400×400×700mm. For high-wind zones (coastal or exposed sites), increase to 300×300×800mm foundations with 80×80mm posts. Always check local wind load codes — ASCE 7 (US) or EN 1991-1-4 (EU) — before finalizing post specifications.

Industrial Fence Mesh — Welded Panels, Chain Link & High-Security Systems

July 7, 2026

By Yang Shaotian | Export Manager, Shenzhou Haobo Metal Products Co., Ltd.

Industrial Fence Mesh — Welded Panels, Chain Link & High-Security Systems

Editor's Note: This article draws on Shenzhou Haobo Metal's 15+ years of manufacturing experience, providing practical engineering guidance for procurement professionals and civil engineers worldwide.

Haobo Metal's Industrial Fence Mesh range includes welded wire mesh panels, chain link fencing, and double-wire security systems. Manufactured with premium hot-dip galvanized or PVC-coated steel wire to EN 10223-7 and ASTM A974 standards, our fence products secure perimeters for industrial facilities, transportation corridors, airports, and military installations worldwide.

📋 Key Takeaways

Welded beats woven for security: Electric resistance welded joints provide 3× higher shear strength than woven wire intersections — critical for security fencing
Choose coating by environment: Electro-galvanized for indoor, hot-dip galvanized for outdoor, PVC-coated for coastal/chemical exposure, Galfan for maximum lifespan
Panel size affects cost: Standard 2.5m wide panels optimize container loading and reduce post count — custom sizes available for irregular perimeters
Complete system supply: Panels, posts, clamps, caps, tension wire, and gates — one supplier simplifies logistics and ensures part compatibility
BS 1722-14 compliant: UK standard for welded mesh fencing guarantees dimensional accuracy, weld strength, and coating quality

1. Fence Product Types & Applications


Type	Wire/Profile	Security Level	Typical Application
Welded Mesh Panel	3.0–6.0mm wire, 50×100mm to 100×200mm openings	Medium–High	Industrial sites, substations, airports, schools
Chain Link Fence	2.0–4.0mm wire, 50–100mm diamond	Low–Medium	Sports fields, parks, warehouses, general perimeter
Double-Wire (358) Mesh	8mm horizontal + 8mm vertical double wires, 12.7×76.2mm openings	Maximum	Prisons, military bases, data centers, embassies
Temporary Fence Panel	2.5–3.0mm wire, 100×200mm openings, 2.0×1.2m panels	Low	Construction sites, event security, crowd control

2. Technical Specifications


Parameter	Welded Panel	Chain Link
Wire Diameter	2.5mm – 6.0mm	2.0mm – 4.0mm
Mesh Opening	50×100mm, 50×200mm, 100×200mm	50mm, 60mm, 76mm, 100mm diamond
Panel Height	1.0m – 3.0m	1.0m – 4.0m
Panel Width	2.0m – 2.5m (standard)	Roll length: 10m, 15m, 25m
Post Type	Square 60×60, 80×80; Round Ø48, Ø60	Round Ø48, Ø60; Peach-shaped
Coating	Hot-dip galvanized 275 g/m² / PVC	Hot-dip galvanized / PVC coated
Standard	EN 10223-7, ASTM A974	ASTM A392, BS 1722

3. Security Grade Selection Guide

Choose the right fence specification based on your security requirements:

Grade 1 — Visual Deterrent: 2.0mm chain link, 1.2m height — suitable for marking boundaries, parks, and residential perimeters. Lowest cost, minimal security.
Grade 2 — Basic Perimeter: 3.0mm welded panel, 1.5m height, 50×200mm openings — suitable for warehouses, parking lots, commercial properties. Resists casual climbing.
Grade 3 — Industrial Security: 4.0mm welded panel, 2.0m height, 50×100mm openings + triple-point barbed wire top — suitable for factories, logistics centers, utility substations. Climb-resistant, tool-resistant.
Grade 4 — High Security: 5.0mm double-wire 358 mesh, 2.4m height + anti-climb topping — suitable for data centers, military, prisons. Anti-cut (15+ minutes with bolt cutters), anti-climb, anti-pry.
Grade 5 — Maximum Security: 6.0mm 358 mesh, 3.0m+ height + razor coil + buried anti-dig skirt + vibration sensors — suitable for critical national infrastructure, embassies. Integrated electronic detection.

4. Coating & Finish Options


Finish	Durability	Color Options	Best Environment
Hot-Dip Galvanized	20–40 years	Silver metallic	Inland, low-corrosion areas
PVC Coated (Green)	25–45 years	Green, Black, White, Custom RAL	Visible perimeters, landscaping
Powder Coated	15–25 years	Any RAL color	Architectural, decorative
Stainless Steel 304/316	50+ years	Natural steel	Coastal, chemical plants, food-grade

5. Posts, Gates & Accessories

Complete your fence system with matching accessories — all manufactured to the same coating specification as your mesh:

Posts: Square tube (60×60, 80×80, 100×100mm), round tube (Ø48, Ø60, Ø76mm), peach-shaped — all with base plates, caps, and anchor bolts
Gates: Single swing (1.0–2.0m wide), double swing (3.0–6.0m), sliding cantilever (4.0–12.0m) — manual or electric operation
Barbed Wire: Single strand, double strand, concertina coil — galvanized or stainless steel, 2.5mm wire, 4-point barbs at 100mm spacing
Razor Wire: Concertina coil, flat-wrap, or welded razor tape — 0.5mm stainless steel blade, galvanized core wire, 450–900mm coil diameter
Clamps & Fasteners: Panel-to-post clamps, tension bars, tie wires, post caps — all galvanized to match fence life
Anti-Climb Topping: Rotating spikes, triple-point barbed wire arms, or razor coil brackets — bolt-on to existing posts

6. Installation Best Practices

Site Survey: Mark post positions at 2.0–2.5m intervals. Identify underground utilities before digging.
Foundation: Concrete footings 300×300×600mm minimum for 2.0m posts. Increase to 400×400×800mm for 3.0m+ posts or high-wind zones.
Post Installation: Set posts in concrete, plumb to within 3mm per meter. Allow 48-hour concrete cure before panel attachment.
Panel Attachment: Bolt panels to posts using manufacturer-specified clamps. Torque to 25–30 Nm. Check alignment every 10 panels.
Gates: Install gate posts with extra-deep footings (800mm minimum). Hang gates, adjust hinges for smooth swing, install drop bolt and padlock.
Final Inspection: Check all fasteners, test gate operation, verify post plumb. Touch up any coating damage with zinc-rich paint.

7. Export Packaging & Logistics

Panel Packaging: Stacked flat on pallets, 50–100 panels per pallet, wrapped with UV-stabilized stretch film and steel strapping
Chain Link Rolls: Tightly rolled, wrapped in hessian or plastic, 10–25 rolls per pallet
Posts: Bundled in steel straps, 25–50 posts per bundle, with protective end caps
Container Loading: 20ft container holds ~800–1,000 panels; 40ft HC holds ~1,600–2,000 panels. Mixed loads (panels + posts + gates) available
Documentation: Packing list, commercial invoice, bill of lading, certificate of origin (Form E for ASEAN, Form A for EU GSP), MTC

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