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 Fragile Roof warning safety sign with fragile roof hazard symbol

Danger Fragile Roof Sign

Warn personnel of roofing hazards with this Danger Fragile Roof Sign.
• Warns of fragile roof hazards to help prevent falls and serious injury
• Ideal for construction sites, industrial buildings, maintenance areas and roof access points
• 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 safety awareness and restrict access to hazardous roof areas
£4.88
Radiation Symbol Warning Sign on Yellow Background

Radiation Symbol Yellow Background Sign

Clearly warns people of potential radiation hazards to help reduce the risk of exposure in hazardous or restricted areas.
• Alerts people to the presence of radiation and hazardous exposure risks
• Suitable for laboratories, hospitals, industrial sites and restricted areas
• High-contrast yellow and black radiation symbol 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 radiation hazard awareness and encourage appropriate caution in affected areas
£1.22
Warning Harmful Chemicals Sign

Warning Harmful Chemicals 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
Dangerous Chemicals Toxic Sign with skull and crossbones warning symbol

Dangerous Chemicals Toxic Sign

Dangerous Chemicals Toxic Sign clearly warns people of dangerous chemicals and helps reinforce awareness of toxic substance hazards.
• Alerts people to the presence of dangerous chemicals and associated risks
• Suitable for laboratories, factories and chemical storage areas
• High-visibility yellow and black design with a clear skull and crossbones 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 workplace safety by clearly identifying dangerous chemical hazards
£2.71
Flammable Symbol Sign with yellow warning triangle and black flame hazard symbol

Flammable Symbol Sign

Flammable Symbol Sign clearly warns people of the presence of flammable materials using a recognisable flame hazard symbol.
• Alerts people to the presence of flammable substances or materials
• Suitable for workplaces, storage areas and industrial environments
• High-visibility yellow and black design provides clear hazard recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reinforce fire risk awareness around flammable materials
£2.71
Danger Demolition In Progress Keep Out Sign with warning and keep out symbols

Danger Demolition In Progress Keep Out Sign

Clearly warns people that demolition is in progress and instructs them to keep out of hazardous work areas.
• Warns of active demolition work and restricts access to dangerous areas
• Suitable for construction sites, demolition zones, restricted work areas and industrial premises
• High-visibility colours, bold text and clear symbols provide quick 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 reinforce site access controls and reduce entry into hazardous demolition areas
£6.86
Caution Slippery Surface Sign with slipping person symbol and yellow and black design

Caution Slippery Surface Sign

Clearly warns people of slippery surface hazards, encouraging extra care to help reduce the risk of slips and falls.
• Alerts people to slippery surface hazards and the need to take care
• Suitable for workplaces, entrances, corridors and cleaning areas
• High-visibility yellow and black design provides 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 accidents and improve safety awareness around slippery surfaces
£2.71
Warning Reduced Headroom Sign with black warning symbol and yellow background

Warning Reduced Headroom Sign

Clearly warns people of reduced headroom and low-clearance hazards, encouraging extra care to help reduce the risk of head injuries.
• Warns people of reduced headroom and low-clearance hazards
• Suitable for workplaces, warehouses, corridors and access routes
• 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 the risk of head injuries in areas with restricted clearance
£2.71
Beware Low Temperature Sign with Snowflake Warning Symbol

Beware Low Temperature Sign

Clearly warns people of dangerously low temperatures to help reduce the risk of cold-related injury.
• Alerts people to the presence of low temperature hazards
• Suitable for cold storage areas, freezers and industrial sites
• 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 cold-related hazards
£2.71
Blue Remove Keys From Fork Lift Truck When Not In Use Sign

Remove Keys From Fork Lift Truck When Not In Use Sign

Remove Keys From Fork Lift Truck When Not In Use Sign designed to remind operators to remove keys from fork lift trucks when they are not in use.
• Clearly instructs operators to remove keys from fork lift trucks when not in use
• Suitable for warehouses, factories, loading bays and industrial workplaces
• Bold blue and white mandatory design provides 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 reduce unauthorised use and supports safer fork lift truck management
£2.71
Danger Of Death Electrical warning sign with electrical hazard symbol for high-voltage areas

Danger of Death Electrical Sign

Warn staff and visitors of potentially fatal electrical hazards with this highly visible danger sign for high-risk environments.
• Alerts individuals to deadly electrical danger
• Ideal for substations, electrical rooms and high-voltage areas
• 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 the risk of serious injury or death by clearly identifying life-threatening electrical hazards
£2.71
Warning Fragile Roof Sign with falling person hazard symbol

Curve Top Warning Fragile Roof Sign

Alerts workers and contractors to fragile roof hazards where roofing materials may not support a person’s weight.

Warns of fragile roof areas and fall-through risks
Used on industrial buildings, warehouses, agricultural buildings, construction sites and maintenance areas
High-visibility yellow and black design with clear warning symbol and text
Aluminium Composite (3mm) for durable site safety use
Helps reinforce roof safety awareness and safer access control
£28.58