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.

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Subcategories

Hazard Warning Signs
Workplace Warning Signs
Industry Warning Signs
Overhead & Head Clearance Signs
Construction & Site Safety Signs
Roof & Height Safety Signs
Risk Of Freezing Sign with Snowflake Warning Symbol

Risk Of Freezing Temperature Sign

Clearly warns people of freezing temperature hazards to help reduce the risk of cold-related injuries.
• Alerts people to the risk of freezing conditions
• Suitable for cold storage areas, warehouses and outdoor environments
• High-contrast yellow and black design with a snowflake symbol provides 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 reinforce caution and reduce the risk of frostbite, cold burns and related hazards
£2.71
Danger High Voltage Cables Underground Electrical warning safety sign with electrical hazard symbol

Danger High Voltage Cables Underground Electrical Sign

Warn individuals of buried high voltage electrical cables with this Danger High Voltage Cables Underground Electrical Sign.
• Alerts individuals to underground high voltage cable hazards
• Ideal for construction sites, excavation areas and utility zones
• 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 serious injury, electrical accidents and excavation damage
£2.71
Curve Top Warning Mind Your Head safety warning sign

Curve Top Warning Mind Your Head Sign

Warn individuals of low headroom and overhead obstruction hazards with this highly visible warning safety sign.
• Alerts people to overhead obstructions and low clearance areas
• Suitable for doorways, corridors, basements, workshops, and industrial sites
• High-visibility yellow warning design with clear black text and symbol
• Available in Aluminium Composite (3mm)
• Helps reduce the risk of head injuries in hazardous areas
£28.58
Danger Asbestos Being Removed No Unauthorised Persons Beyond This Point safety sign with warning and prohibition symbols

Danger Asbestos Being Removed No Persons Sign

Warn staff, contractors and visitors that asbestos removal is in progress and prohibit unauthorised access with this highly visible safety sign.
• Prevents entry into hazardous asbestos removal zones
• Ideal for construction sites, demolition areas and restricted workspaces
• High-visibility yellow, black and red 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 reduce exposure risks and maintain site safety compliance
£6.86
Warning Forest Operations Sign with yellow hazard symbol and black text

Warning Forest Operations Sign

Warning Forest Operations Sign alerts people to forestry work areas where operational hazards may be present.

Warns of forest operations and associated site hazards
Suitable for woodland, forestry, estate and access areas
Yellow warning design with clear black text and hazard symbol
4mm Recyclable Correx ® Fluted Plastic Material
Helps improve awareness around active forestry work zones
£10.81
Danger Fragile Roof Site warning safety sign with fragile roof hazard symbol

Danger Fragile Roof Site Sign

Warn personnel of roofing hazards with this Danger Fragile Roof Site Sign.
• Warns of fragile roof hazards to help prevent falls through roof surfaces
• Ideal for construction sites, industrial buildings, maintenance areas and roof access points
• High-visibility yellow and black design ensures excellent recognition from a distance
• Available in Rigid Plastic (1mm)
• Helps improve roof safety awareness and reduce the risk of serious injury
£9.83
Danger demolition in progress multi message safety board with PPE and hazard warnings

Danger Demolition In Progress Multi Message Safety Board

Danger demolition in progress multi message safety board designed to warn personnel and visitors of demolition hazards and required site safety instructions.
• Helps communicate demolition hazards, mandatory PPE requirements, and restricted access instructions
• Suitable for construction sites, demolition zones, restricted work areas, and industrial premises
• High-visibility colours and clear symbols ensure strong readability and quick recognition
• Manufactured from Rigid Plastic (1mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Supports site safety compliance and helps improve hazard awareness in active demolition areas
£10.81
Danger Do Not Dig Stay Away Sign with prohibition and mandatory safety symbols

Danger Do Not Dig Stay Away Sign

Danger Do Not Dig Stay Away Sign clearly warns against digging and instructs people to stay out of the hazardous area.
• Warns people not to dig and helps restrict access to hazardous areas
• Suitable for construction sites, utility zones and restricted work areas
• High-contrast symbols and bold text provide maximum visibility and clear recognition
• 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 reduce the risk of accidents and protect underground services from unsafe excavation
£12.91
Warning Forklift Trucks Operating safety sign for warehouses and industrial workplaces

Forklift Trucks Operating Sign

Warn staff and visitors to active forklift truck movements with this highly visible warning sign for workplaces and industrial environments.
• Warns people about forklift truck activity in the area
• Ideal for warehouses, factories, loading bays, yards and industrial sites
• High-visibility yellow and black design for clear 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 collision risks and improve pedestrian safety around moving vehicles
£4.88
Warning Chemical Waste Sign

Warning Chemical Waste Sign

This chemical warning sign informs people that chemical substances may be on the premises. Our chemical signs are available in different material.
£2.71
Danger Solvents Corrosive Sign with corrosive hazard warning symbol

Danger Solvents Corrosive Sign

Danger Solvents Corrosive Sign clearly warns people of hazardous solvents and highlights the associated corrosive risk.
• Alerts people to the presence of dangerous solvents and potential corrosive hazards
• Suitable for laboratories, chemical storage areas and industrial sites
• High-visibility yellow and black design with a clear corrosive hazard symbol
• 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 chemical hazard awareness and reduce the risk of workplace accidents
£2.71
Caution hot surface temperature warning sign with exclamation symbol

Caution Hot Surface Temperature Sign

Warns individuals of hot surface hazards to help prevent burns and injury in high-temperature environments.

Clearly warns of hot surface dangers
Suitable for kitchens, factories, and plant rooms
Bold text and symbol ensure high visibility
Made from durable material for reliable use
Helps reduce risk of burns and workplace accidents
£1.01