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
Danger Asbestos Hazard Sign with yellow and black warning symbol

Danger Asbestos Hazard Sign

Danger Asbestos Hazard Sign clearly warns people of the presence of hazardous asbestos materials to help prevent exposure and disturbance.
• Alerts people to the presence of an asbestos hazard
• Suitable for construction sites, refurbishment areas and industrial premises
• High-contrast yellow and black design provides strong visibility and 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 reinforce asbestos hazard awareness and safer site management
£2.71
Danger Cliff Edge Stay Away Sign with falling person graphic and stay out instruction

Danger Cliff Edge Stay Away Sign

Danger Cliff Edge Stay Away Sign clearly warns people of a dangerous cliff edge and instructs them to stay out of the hazardous area.
• Warns of a dangerous cliff edge and reinforces the instruction to stay out
• Suitable for coastal areas, quarries, construction sites and elevated terrain
• Bold colours, symbols and text provide high visibility and immediate understanding
• 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 falls by clearly identifying dangerous cliff edge areas
£6.86
Warning Electric Fence Electrical Hazard Sign

Warning Electric Fence Electrical Sign

Clearly warns people of an electric fence and potential electrical hazard to help reduce the risk of accidental contact.
• Alerts people to the presence of an electric fence and associated electrical risk
• Suitable for farms, agricultural land and restricted perimeters
• High-visibility yellow and black design provides clear and immediate 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 electrical safety awareness and reduce accidental contact with electric fencing
£2.71
Warning deep excavations safety sign with hazard symbol

Warning Deep Excavations Sign

Warns of deep excavation hazards to prevent accidents and ensure site safety
• Alerts workers and visitors to the presence of deep excavation risks
• Ideal for construction sites, civil engineering projects, and groundwork areas
• Bold black text on yellow background ensures high visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce risk of falls and supports safer working environments
£4.88
Danger Explosive Atmosphere EX ATEX Category 3 safety sign with recognised EX hazard symbol

Danger Explosive Atmosphere Sign - EX Atex Category 3

Warn staff and visitors of explosive atmosphere hazards in ATEX Category 3 areas with this highly visible danger safety sign.
• Alerts personnel to explosive atmosphere hazards
• Suitable for industrial sites, refineries and hazardous zones
• 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 risk and improve workplace safety compliance
£2.71
Danger Thin Ice Deep Water Sign with stay out instruction

Danger Thin Ice Deep Water Sign

Danger Thin Ice Deep Water Sign clearly warns people of thin ice and deep water hazards and instructs them to stay out for safety.
• Warns of thin ice and deep water hazards and reinforces the instruction to stay out
• Suitable for lakes, ponds, reservoirs and winter hazard zones
• Bold symbols and high-contrast text provide strong visibility and quick understanding
• 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 discourage access to dangerous frozen surfaces and deep water areas
£6.86
Caution Men Working Overhead free standing warning sign

Caution Men Working Overhead Free Standing Sign

Warn staff, visitors, and the public of overhead work hazards with this highly visible free standing caution safety sign.
• Alerts people to overhead work activity and risk of falling objects
• Suitable for construction sites, maintenance zones, and temporary work areas
• Bright yellow freestanding design ensures high visibility and quick recognition
• Heavy duty moulded plastic construction suitable for indoor and outdoor use
• Helps improve safety awareness and reduce risk around overhead operations
£15.28
Warning Men Working Below Sign with yellow hazard symbol

Warning Men Working Below Sign


Alerts workers and visitors to personnel working below ground level or in excavated areas.
• Warns of people working below to help prevent accidents
• Suitable for excavations, basements, construction sites, access routes and work zones
• Bold yellow warning design with clear black text and hazard symbol
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps improve awareness around below-ground work areas
£10.81
Danger Electricity Electrical Hazard Sign

Danger Electricity Electrical Sign

Clearly warns people of dangerous electricity to help reduce the risk of serious electrical injury or accidents.
• Alerts people to the presence of dangerous electricity and electrical hazards
• Suitable for workplaces, construction sites and utility areas
• High-visibility yellow and black design provides clear and immediate 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 electrical safety awareness and reduce the risk of electrical incidents
£2.71
Gas Cylinder Storage Sign

Gas Cylinder Storage Sign

Clearly identifies gas cylinder storage areas while communicating essential safety warnings and mandatory precautions to help reduce the risk of fire and unauthorised access.
• Indicates designated gas cylinder storage areas and essential safety precautions
• Ideal for gas bottle stores, industrial sites, workshops, warehouses and commercial premises
• High-visibility colour coding with clear text and recognised safety symbols
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps promote safe storage practices and improve workplace safety awareness
£12.46
Danger Do Not Climb Stay Away Sign with climbing prohibition and stay out instruction

Danger Do Not Climb - Stay Away Sign

Danger Do Not Climb Stay Away Sign clearly prohibits climbing and instructs people to stay out of hazardous or restricted areas.
• Prevents unsafe climbing and reinforces the instruction to stay out
• Suitable for construction sites, industrial zones and restricted access points
• High-contrast colours, bold text and clear symbols provide strong 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 reduce accidents by clearly reinforcing climbing and access restrictions
£6.86
Warning Men At Work safety sign with warning hazard symbol

Warning Men At Work Sign

Warn staff, visitors and the public of active work areas with this highly visible warning safety sign.
• Indicates active work zones to improve safety awareness
• Ideal for construction sites, industrial areas and maintenance zones
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reduce accidents by warning people of ongoing work activities
£8.10