Warning Signs

Construction Warning Signs alert workers, contractors, visitors and members of the public to potential hazards commonly found on building sites and temporary work areas. Also known as site warning signs, hazard warning signs or construction hazard signs, they play a vital role in reducing risk and improving site safety.

Widely used by contractors, developers, principal contractors, local authorities and facilities managers, these signs help identify dangers such as moving vehicles, excavations, overhead work, hazardous substances and restricted access areas.

Typical installation locations include site entrances, perimeter fencing, hoardings, access routes, excavation zones, loading areas, scaffolding locations and high-risk work areas.

Manufactured in the UK and available in durable materials suitable for indoor and outdoor use, construction warning signs provide clear visual communication to help maintain safe and compliant construction environments.

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Danger Men Working Overhead safety sign with warning symbol for construction and industrial workplaces

Danger Men Working Overhead Sign

Warn staff and visitors of overhead work hazards with this highly visible danger safety sign.
• Alerts people to overhead work and falling object risks
• Suitable for construction sites, industrial areas and maintenance zones
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm)
• Helps reduce the risk of injury in active overhead working areas
£9.83
Danger Men At Work warning safety sign

Danger Men At Work Sign

Alerts workers, visitors, and contractors to hazardous active work areas.
• Warns people of dangerous work operations
• Suitable for construction sites, industrial areas and workplaces
• Bold yellow warning design for clear visibility
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reduce risk around active work zones
£9.83
Caution plant room sign with authorised personnel only and door locked instructions

Caution Plant Room Sign

Caution plant room sign designed to warn of plant room hazards and restrict access to authorised personnel only.• Helps alert individuals to potential plant room hazards and restricted access requirements• Suitable for plant rooms, boiler rooms, maintenance areas, and restricted service environments• High-contrast warning colours and bold symbols ensure strong visibility and quick understanding• Manufactured from Rigid Plastic (1mm) and Self Adhesive Vinyl for durable indoor and outdoor use• Supports workplace safety procedures and helps secure restricted access areas
£6.86