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
Sound Horn mandatory safety sign with horn symbol

Sound Horn Sign

Improve vehicle and workplace safety with this highly visible Sound Horn sign.
• Instructs drivers and operators to sound their horn at designated points
• Ideal for construction sites, warehouses, blind corners, and industrial areas
• Bold blue and white design ensures strong visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps improve awareness and reduce accidents in high-risk traffic areas
£14.77
Danger Electric Shock Risk Electrical Warning Sign

Danger Electric Shock Risk Electrical Sign

Clearly warns people of an electric shock hazard to help reduce the risk of serious injury or fatal accidents.
• Alerts people to the presence of an electric shock risk
• Suitable for workplaces, plant rooms and electrical areas
• High-visibility 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 electrical safety awareness and encourage caution around hazardous electrical areas
£2.71
Caution Chemical Store Guidance Sign with GHS chemical hazard symbols

Caution Chemical Store Guidance Sign

Caution Chemical Store Guidance Sign clearly identifies a chemical storage area and displays key GHS hazard symbols to improve safety awareness.
• Alerts people to the presence of hazardous chemicals requiring caution
• Suitable for chemical stores, laboratories, warehouses and industrial sites
• High-visibility warning design and clearly labelled GHS symbols aid quick hazard 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 improve chemical hazard awareness by displaying common GHS symbols in one location
£12.91
Warning Stump Grinding In Progress Sign with yellow hazard symbol

Warning Stump Grinding In Progress Sign

Alerts people to active stump grinding work and helps reduce the risk of accidents in hazardous areas.

Warns people that stump grinding work is taking place
Suitable for tree surgery sites, landscaping areas, gardens, parks and public work zones
Yellow warning design with clear black text and hazard symbol for high visibility
Available in 4mm Recyclable Correx ® for lightweight durability
Helps keep workers, visitors and pedestrians aware of ongoing machinery work
£10.81
Danger No Inflatables Stay Out Sign with inflatable prohibition and stay out symbols

Danger No Inflatables Sign - Stay Out

Danger No Inflatables Stay Out Sign clearly prohibits the use of inflatables and instructs people to stay out of restricted water areas.
• Prevents the use of inflatable devices and reinforces the instruction to stay out
• Suitable for pools, water parks, leisure centres and restricted water zones
• Bold symbols and high-contrast colours provide clear and immediate 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 maintain safety and control around hazardous or restricted water areas
£12.91
Warning Laser Beam Sign

Warning Laser Beam Sign

This laser sign informs people that there may be laser beams on the premises. Our laser warning signs are available in different material.
£2.71
Warning Men Working Overhead safety warning sign

Warning Men Working Overhead Sign


Warn individuals of overhead work hazards with this highly visible warning safety sign designed to improve workplace safety awareness.
• Alerts people to overhead work hazards
• Suitable for construction sites, warehouses, and industrial areas
• High-visibility yellow background with bold black text and symbol
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), and Self Adhesive Vinyl
• Helps maintain safety awareness in active work zones
£8.10
Danger Explosive Warning Sign with yellow and black explosive hazard symbol

Danger Explosive Warning Sign

Danger Explosive Warning Sign clearly warns people of explosive hazards and helps reduce the risk of serious injury or damage.
• Alerts people to the presence of explosive materials or environments
• Suitable for industrial sites, chemical plants and hazardous areas
• 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 hazards in designated areas
£2.71
Danger Asbestos Dust Do Not Enter Sign with warning and prohibition symbols

Danger Asbestos Dust Do Not Enter Sign

Clearly warns of hazardous asbestos dust and prohibits entry to potentially contaminated or restricted areas.
• Warns individuals of asbestos dust hazards and clearly prohibits entry
• Suitable for construction sites, demolition zones, hazardous work areas and refurbishment projects
• High-contrast warning colours and prohibition 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
• Helps reinforce restricted access procedures around asbestos dust hazards
£6.86
Danger Live Wires Electrical Warning Sign

Danger Live Wires Electrical Sign

Clearly warns people of live electrical wires to help reduce the risk of serious injury or electrical accidents.
• Alerts people to the presence of dangerous live electrical wires
• Suitable for workplaces, construction sites and electrical 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 reinforce electrical safety awareness and encourage caution around live wires
£2.71
Sound Horn Drive Slowly Sign with white horn symbol on blue background

Sound Horn Drive Slowly Sign

Instructs drivers to sound their horn and reduce speed in designated areas, helping improve vehicle safety and awareness.
• Instructs drivers to sound their horn and drive slowly in designated areas
• Suitable for construction sites, industrial yards, warehouses and blind corners
• Bold blue and white design with a clear horn symbol provides excellent 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 reduce accidents and improve safety in high-risk vehicle movement areas
£2.71
Site safety warning forest operations sign with PPE requirements and access restrictions

Site Safety Warning Forest Operations Sign

A multi-message site safety sign highlighting key warnings and mandatory requirements for forest operation areas.

Clearly communicates multiple safety warnings and site rules
Ideal for forestry sites, logging areas, and outdoor work zones
High-visibility design with bold colours and clear symbols
Manufactured from durable 4mm Recyclable Correx ®
Helps improve safety awareness and restrict unauthorised access
£43.93