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Unauthorised Entry is Strictly Forbidden Sign – professional site safety sign for restricted access zones. Built for visibility and durability on UK construction sites.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Unauthorised Entry is Strictly Forbidden Sign is a bold and effective site safety warning designed to prevent access to restricted areas. Its strong red and white design immediately communicates that entry is not permitted, reinforcing rules and helping to protect people, equipment, and operations.
Commonly used on construction and demolition sites, commercial properties, infrastructure projects, and utility compounds, this sign makes site safety rules clear to all — from subcontractors and staff to members of the public.
Manufactured under ISO 9001-certified quality processes, this sign is available in multiple sizes and material types. Whether fixed to fencing, hoarding, walls, or a stanchion holder, it offers excellent visibility in all UK conditions.
This sign is ideal as part of a multi-message safety system for sites and access-controlled areas. Its universally recognised stop symbol and bold message ensure clarity, especially in fast-moving or hazardous work zones.
Durable, high-contrast, and easy to mount, this product is trusted by UK contractors and safety officers nationwide.
✔️ ISO 9001-certified UK manufacturing
✔️ Available in multiple sizes and materials
✔️ Ideal for short-term or permanent site installation
✔️ Wall, fence and stanchion-compatible
✔️ Bulk pricing for trade clients and councils
✔️ Supplied direct from the manufacturer
• Construction and refurbishment sites
• Warehousing and transport hubs
• Utilities and infrastructure facilities
• Restricted commercial zones
• NHS and local authority premises
• Temporary fencing, hoarding, and access gates
• Restriction sign: “Unauthorised entry is strictly forbidden”
• Ensures access control and site safety enforcement
• ISO 9001-certified quality manufacturing
• Indoor and outdoor suitable materials
• Available in bulk for contractors and councils
| Feature | Details |
|---|---|
| Product Name | Unauthorised Entry is Strictly Forbidden Sign |
| Sign Type | Access Restriction Sign |
| Substrate Options | Vinyl Sticker, Composite, 1mm PVC, 3mm Foamex, 4mm Corriboard, 5mm Foamex |
| Fixing Options | Plate Only, Channel, Self-Adhesive |
| Available Sizes (mm) | 400×300, 600×450, 800×600 |
| Compliance | ISO 9001 Quality Management Standard |
| Section | Link & Description |
|---|---|
| đź›’ Shop All Safety Signs | Browse all UK-compliant safety and warning signs |
| ⚙️ Installation Services | We offer full installation support across the UK |
| 📦 Bulk Orders? | Request bulk discount pricing for councils or large sites |
| 📚 Safety Guidance | HSE Regulations – L64 Guidance on Safety Signs |
Vinyl, Print-direct |
|
| Substrate | Stickers, 1mm PVC Plastic, 2.5mm Composite, 3mm Black Plastic, 3mm Foamex, 4mm White Corriboard, 5mm Foamex |
| Fixing | Channel, Plate Only, Self-Adhesive |
| Size | Width(mm) x Length (mm) | 400×300, 600×450, 800×600 |
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