Warning Signs

Hazard Safety Signs warn employees, visitors and contractors about potential dangers within the workplace. Also known as warning signs, hazard warning signs or danger signs, they help identify risks before accidents occur and play a vital role in workplace safety management.

These signs are widely used in factories, warehouses, construction sites, workshops, schools, hospitals, utilities, commercial premises and public buildings where hazards need to be clearly communicated.

Typical installation locations include machinery areas, electrical rooms, chemical storage facilities, loading bays, construction zones, plant rooms, restricted access areas and workplace entrances.

Available in self-adhesive vinyl, rigid plastic, aluminium and selected photoluminescent materials, many of our hazard safety signs are manufactured in the UK for excellent visibility, durability and long-term performance.

 Show More expand_more
 Show Less expand_less

Subcategories

Hazard Warning Signs
Workplace Warning Signs
Industry Warning Signs
Overhead & Head Clearance Signs
Construction & Site Safety Signs
Roof & Height Safety Signs
Caution Wet Floor Warning Sign with slipping person symbol and yellow and black design

Caution Wet Floor Warning Sign

Clearly warns people of wet floor hazards, encouraging extra care to help reduce the risk of slips and falls.
• Alerts people to wet floor hazards and the need to take care
• Suitable for workplaces, public buildings and commercial areas
• High-contrast yellow and black design provides clear visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce accidents and maintain a safer environment around wet surfaces
£2.71
Caution Mind Your Head Warning Sign with overhead hazard symbol and yellow and black design

Caution Mind Your Head Warning Sign

Clearly warns people of low overhead hazards and restricted headroom, encouraging extra care to help reduce the risk of head injuries.
• Alerts people to low ceilings and overhead obstructions
• Suitable for warehouses, construction sites, corridors and doorways
• High-visibility yellow and black design provides clear warning and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce accidents and improve workplace safety awareness around low overhead hazards
£2.71
Danger Asbestos Do Not Disturb Material Sign with warning, prohibition and instruction symbols

Danger Asbestos Do Not Disturb Material Sign

Danger Asbestos Do Not Disturb Material Sign warns people of asbestos hazards and instructs them not to disturb the material.
• Warns individuals of asbestos risks and instructs that hazardous material must not be disturbed
• Suitable for construction sites, plant rooms, refurbishment areas and hazardous work environments
• High-contrast warning colours and clear symbols provide strong visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Reinforces the instruction to report accidental damage immediately
£6.86
Danger Demolition In Progress warning safety sign with yellow and black hazard symbol

Danger Demolition In Progress Sign

Warn personnel and visitors of active demolition work with this Danger Demolition In Progress Sign.
• Warns that demolition work is currently in progress to help prevent unauthorised access
• Ideal for construction sites, demolition projects, refurbishment works and restricted access areas
• High-visibility yellow and black design ensures clear recognition and readability
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), and Self Adhesive Vinyl
• Helps improve site safety by clearly identifying hazardous demolition zones
£4.88
Caution Hot Surface Warning Sign

Caution Hot Surface Temperature Sign

Clearly warns people of hot surface hazards to help reduce the risk of burns and accidental contact.
• Alerts people to the presence of hot surfaces and temperature risks
• Suitable for kitchens, factories, plant rooms and industrial environments
• High-contrast yellow and black design provides clear visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce caution around hot surfaces and improve workplace safety
£2.71
No Fork Lift Trucks Sign with red prohibition symbol and fork lift truck

No Fork Lift Trucks Sign

Clearly prohibits fork lift truck access to designated restricted or pedestrian areas, helping maintain controlled vehicle movement and pedestrian safety.
• Clearly prohibits fork lift trucks from entering designated areas
• Suitable for warehouses, factories, loading areas and pedestrian routes
• Bold red prohibition symbol and clear wording provide high visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps maintain controlled vehicle access and support pedestrian safety
£2.71
Danger Buried Cables Electrical warning safety sign with electrical hazard symbol

Danger Buried Cables Electrical Sign

Warn workers of buried electrical cable hazards with this Danger Buried Cables Electrical Sign.
• Alerts workers to the presence of underground electrical cables
• Ideal for construction sites, excavation zones and utility areas
• High-contrast yellow and black design ensures clear visibility and instant recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), and Self Adhesive Vinyl
• Helps reduce the risk of cable strikes, electrical accidents and excavation damage
£2.71
Danger Asbestos Keep Out safety sign with warning and mandatory symbols

Danger Asbestos Keep Out Sign

Warn staff, contractors and visitors of asbestos hazards and restrict access with this highly visible danger and mandatory safety sign.
• Clearly warns of asbestos hazards and restricted access requirements
• Ideal for construction sites, demolition areas and hazardous zones
• High-visibility yellow, black and blue design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps prevent exposure to hazardous asbestos fibres and improves site safety compliance
£6.86
Warning timber lorries turning yellow hazard sign with exclamation symbol

Warning Timber Lorries Turning Sign

Warns of timber lorries turning to alert drivers and pedestrians to potential hazards in the area

Clearly warns of timber lorries turning to reduce accident risk
Ideal for roads near forestry sites, industrial estates, and timber yards
High-contrast yellow and black design ensures strong visibility
Manufactured from durable 4mm recyclable Correx fluted plastic material
Helps improve awareness and safety where large vehicles manoeuvre
£10.81
Site Safety All Visitors And Drivers Must Report To Site Office multi message safety board with PPE requirements.

Site Safety All Visitors And Drivers Must Report To Site Office Multi Message Safety Board

Clearly communicate site rules and visitor requirements with this Site Safety All Visitors And Drivers Must Report To Site Office Multi Message Safety Board.
• Displays multiple mandatory, prohibition and warning safety messages on one comprehensive board
• Ideal for construction sites, industrial premises, logistics depots and controlled access work areas
• High-visibility colour-coded layout with recognised safety symbols for clear communication
• Available in Aluminium Composite (3mm) and Recyclable Correx ® (4mm)
• Helps improve site compliance, visitor management and workplace safety awareness
£84.34
Danger Quarries Are Not Play Areas Stay Out Sign with prohibition and warning symbols

Danger Quarries Are Not Play Areas Sign - Stay Away

Danger Quarries Are Not Play Areas Stay Out Sign clearly warns people that quarries are dangerous and instructs them to stay out of restricted areas.
• Warns people that quarries are not play areas and prevents unauthorised entry
• Suitable for quarries, quarry access points, construction sites and industrial zones
• Clear safety symbols, contrasting colours and bold text provide high visibility
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce restricted access and reduce the risk of accidents in quarry areas
£12.91
Caution Arc Welding Sign with General Warning Symbol

Caution Arc Welding Sign

Clearly warns people of hazards associated with arc welding activities to help maintain a safer working environment.
• Alerts people to potential dangers from arc welding operations
• Suitable for workshops, fabrication areas, construction sites, factories and welding bays
• High-contrast black text and warning symbol on a yellow background provide clear visibility
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps increase hazard awareness and supports safer workplace practices
£7.36