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Danger Construction Site Keep Out and No Unauthorised Access Dual-Message Sign – clear dual safety sign for hazard warnings and access prevention. UK-made and HSE compliant.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Danger Construction Site Keep Out and No Unauthorised Access Dual-Message Sign is a high-impact safety sign used to warn the public and workers about hazardous zones and restricted access on construction sites. It combines a bold yellow “Danger” warning with a red “No Unauthorised Access” prohibition, backed by universally recognised safety symbols. This dual-message format ensures full visibility and legal compliance on UK worksites. Manufactured in the UK to ISO 9001 standards, it is ideal for fencing, hoardings, and entry points across all sectors of the construction industry.
✅ Dual-message design for maximum safety and legal enforcement
✅ Bright yellow and red backgrounds with clear icons for high visibility
✅ Helps prevent trespassing, accidents, and legal liabilities
✅ Available in durable substrates for outdoor and indoor use
✅ ISO 9001 certified UK production for quality assurance
✅ Standard sizes: 400×300, 600×450, 800×600 mm
✅ Self-adhesive, rigid plate, and channel mounting options
✅ Trade discounts and fast UK delivery available
• Active construction zones and demolition areas
• Site entrances and perimeter fencing
• Industrial projects and temporary works
• Public sector building refurbishments
• Infrastructure and civil engineering works
• School or commercial renovation sites
The Danger Construction Site Keep Out and No Unauthorised Access Dual-Message Sign protects workers and the public by clearly warning of danger and restricting unauthorised access. Essential for HSE compliance on any active UK construction site.
| Feature | Details |
|---|---|
| Product Name | Danger Construction Site Keep Out and No Unauthorised Access Dual-Message Sign |
| Sign Type | Dual Message Safety Sign – Danger & Prohibition |
| Substrate Options | Vinyl, 1mm PVC, 3mm Foamex, 4mm Corriboard, 5mm Foamex, Composite |
| Fixing Options | Self-Adhesive, Plate Only, Channel Fixing |
| Available Sizes (mm) | 400×300, 600×450, 800×600 |
| Compliance | ISO 9001 Quality Standard, HSE Construction Safety |
| Section | Link & Description |
|---|---|
| 🛒 Shop All Construction Signs | Browse site-specific safety signage for construction |
| ⚙️ Installation Services | Get UK-wide installation support for safety signage |
| 📦 Bulk Order Discounts | Request pricing for large or contractor orders |
| 📚 Site Safety Guidance | HSE guidance on construction safety topics |
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, 500×300, 600×450, 800×600 |
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