Warning Signs

Warning Signs

Construction Warning Signs alert workers, contractors, visitors and members of the public to potential hazards commonly found on building sites and temporary work areas. Also known as site warning signs, hazard warning signs or construction hazard signs, they play a vital role in reducing risk and improving site safety.

Widely used by contractors, developers, principal contractors, local authorities and facilities managers, these signs help identify dangers such as moving vehicles, excavations, overhead work, hazardous substances and restricted access areas.

Typical installation locations include site entrances, perimeter fencing, hoardings, access routes, excavation zones, loading areas, scaffolding locations and high-risk work areas.

Manufactured in the UK and available in durable materials suitable for indoor and outdoor use, construction warning signs provide clear visual communication to help maintain safe and compliant construction environments.

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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
£2.26
Danger Asbestos Removal landscape safety sign with warning hazard symbol

Danger Asbestos Removal Sign - Landscape

Warn staff, contractors and visitors of hazardous asbestos removal work with this highly visible danger safety sign.
• Clearly alerts people to dangerous asbestos removal activity
• Ideal for construction sites, demolition areas and refurbishment projects
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reduce health risks by improving awareness of asbestos removal operations
£2.01
Danger Asbestos Keep Out safety sign with warning and mandatory symbols

Danger Asbestos Keep Out Sign

Warn staff, contractors and visitors of asbestos hazards and restrict access with this highly visible danger and mandatory safety sign.
• Clearly warns of asbestos hazards and restricted access requirements
• Ideal for construction sites, demolition areas and hazardous zones
• 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), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps prevent exposure to hazardous asbestos fibres and improves site safety compliance
£5.72
Danger Asbestos Zone Respirator Sign

Danger Asbestos Zone Respirator Must Be Worn Sign

Danger Asbestos Zone Respirator Must Be Worn Sign clearly warns workers and contractors of asbestos hazards and instructs personnel to wear respiratory protection in designated areas.
• Warns of asbestos hazards and reinforces mandatory respirator requirements to help prevent harmful exposure.
• Ideal for construction sites, demolition projects, asbestos removal areas, refurbishment works and restricted hazardous zones.
• High-contrast yellow warning and blue mandatory panels with bold lettering and clear symbols provide excellent visibility.
• 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 respiratory protection procedures and improve awareness of asbestos-related hazards in controlled work areas.
£5.72
Danger Asbestos Dust landscape safety sign with warning symbol

Danger Asbestos Dust Sign - Landscape

Warn staff, contractors and visitors of hazardous asbestos dust with this highly visible danger safety sign.
• Clearly alerts people to dangerous airborne asbestos dust
• Ideal for construction sites, demolition areas and industrial workplaces
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps minimise health risks by reinforcing awareness of asbestos dust hazards
£2.01
Danger Asbestos Keep Out safety sign with warning symbol and restricted access message

Pack of 6 Danger Asbestos Keep Out Signs

Warns individuals of asbestos hazards and restricts access to dangerous areas.
• Prevents unauthorised entry where asbestos is present
• Ideal for construction sites, refurbishment areas, and restricted zones
• High-contrast colours and bold symbols ensure clear visibility
• Manufactured using durable Recyclable Correx (4mm)
• Helps maintain safety and controlled access in hazardous environments
£30.85
Danger Explosive Atmosphere EX ATEX Category 1 safety sign with recognised EX hazard symbol

Danger Explosive Atmosphere Sign - EX Atex Category 1

Warn staff and visitors of explosive atmosphere hazards in ATEX Category 1 areas with this highly visible danger safety sign.
• Alerts individuals to the presence of a potentially explosive atmosphere
• Ideal for hazardous zones, industrial sites, refineries and chemical plants
• 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 improve awareness of explosive atmosphere risks and supports safe working practices
£2.26
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
£2.26
Pack of 6 Danger People At Work safety signs with yellow warning symbol

Pack of 6 Danger People At Work Signs

Clearly warn workers and visitors that people are working in the area with this Pack of 6 Danger People At Work Signs.
• Warns that people are working in the area
• Ideal for construction sites, maintenance zones, industrial sites and work areas
• High-visibility yellow and black design ensures excellent recognition
• Available in Rigid Plastic (1mm)
• Supplied as a pack of 6 for consistent safety signage across site
£44.24
Caution wet paint safety sign with paintbrush symbol

Caution Wet Paint Sign

Warns individuals of freshly painted surfaces to prevent contact and potential damage
• Alerts people to avoid contact with wet paint surfaces
• Ideal for maintenance areas, public spaces, and construction sites
• Bright yellow background with clear text ensures high visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps prevent smudging, damage, and accidental contact
£2.26
Danger Keep Out safety sign with warning and mandatory symbols

Danger Keep Out Sign

Warn individuals to stay out of hazardous or restricted areas with this Danger Keep Out Sign.
• Clearly communicates danger and restricted access requirements
• Ideal for construction sites, industrial areas and restricted zones
• Bold colours and recognised safety symbols provide excellent visibility and instant recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps maintain workplace safety, security and prevent unauthorised access
£6.75
Danger Scaffolding Incomplete warning safety sign with scaffolding hazard symbol

Danger Scaffolding Incomplete Sign

Warn people of incomplete scaffolding and potential fall hazards with this Danger Scaffolding Incomplete Sign.
• Clearly alerts workers and visitors to unsafe incomplete scaffolding
• Suitable for construction sites, maintenance areas and building works
• High-visibility yellow and black design ensures instant recognition and readability
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps prevent accidents by restricting access to unsafe scaffolding structures
£8.19