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 Quicksand Stay Out Sign warning people to keep away from hazardous quicksand

Danger Quicksand Sign - Stay Out

Danger Quicksand Stay Out Sign clearly warns people to stay clear of hazardous quicksand areas and reinforces the instruction to stay out.
• Warns people of dangerous quicksand conditions and instructs them to stay out
• Suitable for beaches, riverbanks, marshlands and unstable ground areas
• Bold text and high-contrast imagery provide strong 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 alert people to hidden ground hazards and reduce the risk of accidents
£12.91
Caution Warning Label Sign with exclamation mark hazard pictogram

Caution/Warning Label Sticker 100X100mm

Caution Warning Label Sign clearly identifies a general hazard or potential risk and helps reinforce safety awareness in the surrounding area.
• Alerts people to general hazards or unspecified dangers
• Suitable for workplaces, warehouses and industrial sites
• High-contrast exclamation mark pictogram provides immediate hazard recognition
• Available in Self Adhesive Vinyl for clear hazard labelling
• Helps reinforce general safety awareness and draw attention to potential risks
£2.04
Warning Corrosive Sign

Warning Corrosive Sign

The Warning Corrosive Sign from is designed to meet UK Safety regulations. It is available in a choice of sizes and materials, including strong 1mm Rigid Plastic, 1mm Rigid Plastic with a Self-Adhesive backing, and a Self-Adhesive Vinyl Sign.
£2.71
Warning Overhead Hazard Sign with overhead hazard symbol and yellow and black design

Warning Overhead Hazard Sign

Clearly warns people of potential overhead hazards and falling object risks, encouraging extra care to help reduce the risk of injury.
• Alerts people to overhead hazards and falling object risks
• Suitable for workplaces, warehouses, maintenance zones and industrial sites
• 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 improve safety awareness and reduce the risk of head injuries in hazardous areas
£2.71
Danger Explosive Atmosphere Warning Sign with yellow and black EX hazard symbol

Danger Explosive Atmosphere Warning Sign

Danger Explosive Atmosphere Warning Sign clearly warns people of potentially explosive atmospheres and helps reinforce hazard awareness.
• Alerts people to the presence of a potentially explosive atmosphere
• Suitable for industrial sites, chemical plants and hazardous zones
• High-visibility yellow and black design provides clear hazard 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 awareness of explosive atmosphere hazards in designated areas
£2.71
Danger Asbestos Permit To Work Must Be Obtained safety sign with warning and mandatory symbols

Danger Asbestos Permit To Work Must Be Obtained Sign

Ensure permit to work procedures are followed in asbestos hazard areas with this highly visible danger and mandatory safety sign.
• Warns individuals of asbestos hazards and requires a permit to work before access
• Suitable for construction sites, refurbishment areas, restricted zones and hazardous work environments
• 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) and Self Adhesive Vinyl
• Helps control access to asbestos hazard areas and supports safe working procedures
£6.86
Danger Live Terminals Electrical Warning Sign

Danger Live Terminals Electrical Sign

Clearly warns people of live electrical terminals to help reduce the risk of serious injury from accidental contact.
• Alerts people to the presence of live electrical terminals and associated electrical hazards
• Suitable for electrical cupboards, plant rooms, control panels and switchgear 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 accidental contact and supports safer working practices around electrical equipment
£2.71
Tree cutting warning sign with worker symbol and red triangle

Tree Cutting Sign

Warns of tree cutting activity to alert workers and the public to potential hazards in the area

Clearly warns of ongoing tree cutting operations
Ideal for forestry sites, roadside works, and construction areas
Bold symbol and text ensure high visibility and quick recognition
Manufactured from durable 4mm recyclable Correx fluted plastic material
Helps reduce risk by increasing awareness of cutting hazards
£10.81
Danger Asbestos Removal warning safety sign with yellow hazard symbol

Danger Asbestos Removal Sign

Warn workers and visitors of hazardous asbestos removal activities with this Danger Asbestos Removal Sign.
• Clearly communicates the presence of asbestos removal hazards
• Suitable for construction sites, demolition areas and industrial workplaces
• High-contrast yellow and black design ensures excellent visibility 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 reduce the risk of exposure and improves on-site safety awareness
£2.71
Danger Quarry Water Is Stone Cold And Can Kill Stay Out Sign

Danger Quarry Water Is Stone Cold And Can Kill Sign - Stay Out

Danger Quarry Water Is Stone Cold And Can Kill Stay Out Sign clearly warns people of the deadly danger of extremely cold quarry water and instructs them to stay out.
• Warns people that stone-cold quarry water can kill and reinforces the instruction to stay out
• Suitable for quarries, water-filled pits, industrial sites and restricted outdoor areas
• High-contrast imagery and bold text provide strong 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 reinforce site safety by discouraging access to dangerous quarry water
£12.91
Warning Caustic Corrosive Sign

Warning Caustic Corrosive Sign

This corrosive sign informs people that there are corrosive substances on the premises. Our corrosive warning signs are available in different material.
£2.71
Glow in the dark Warning Toxic sign with skull and crossbones symbol

Glow in the Dark Warning Toxic Sign

Glow in the dark Warning Toxic sign provides a clear warning of toxic or poisonous hazards to help protect people in low-light conditions.
• Warns people of the presence of toxic or poisonous materials
• Suitable for laboratories, chemical storage areas, factories and industrial sites
• High-contrast photoluminescent design provides clear visibility in darkness
• Available in Extra Glow in the Dark Self Adhesive (Class C) and Extra Glow in the Dark Rigid Plastic (Class C)
• Helps improve hazard awareness and reduce the risk of accidental exposure
£4.73