Construction Site Prohibition Signs | Rainbow Safety

Prohibition Signs

Construction Prohibition Signs communicate actions that are not permitted on construction sites and temporary work areas. Also known as prohibition safety signs, restricted access signs or construction site prohibition notices, they help prevent unsafe behaviour and reduce the risk of accidents.

Commonly used by contractors, developers, principal contractors, facilities managers and local authorities, these signs clearly identify prohibited activities such as unauthorised entry, smoking, mobile phone use and access to hazardous areas.

Typical installation locations include site entrances, perimeter fencing, access gates, welfare facilities, storage compounds, high-risk work zones and restricted areas.

Manufactured in the UK and available in durable materials suitable for indoor and outdoor use, construction prohibition signs provide clear visual instructions that help maintain a safer and more controlled site environment.

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Construction Site No Entry To Unauthorised Personnel Sign with red prohibition symbol

Construction Site No Entry To Unauthorised Personnel Sign

Clearly prohibits unauthorised personnel from entering construction sites and restricted work areas.
• Prevents unauthorised access to hazardous construction areas
• Suitable for construction sites, building zones and restricted work areas
• Bold red prohibition symbol and clear text provide maximum visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps support site safety, security and controlled access
£5.72
No smoking prohibition safety sign

No Smoking Sign

Clearly communicates that smoking is prohibited in the area using a universally recognised no smoking symbol and message.
• Clearly informs people that smoking is not permitted
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold red prohibition symbol ensures instant visibility and recognition
• Available in Extra Glow in the Dark Self Adhesive (Class C), Extra Glow in the Dark Rigid Plastic (Class C), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Brushed Aluminium (3mm)
• Helps support smoke-free compliance and reduce fire and health risks
£2.26
No smoking or vaping on these premises prohibition sign

No Smoking Or Vaping On These Premises Sign

Clearly informs staff and visitors that smoking and vaping are prohibited on the premises.
• Clearly states that smoking and vaping are not permitted on these premises
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain safer environments
£2.26
No smoking or vaping prohibition safety sign

No Smoking Or Vaping Sign

Clearly informs people that smoking and vaping are prohibited in the area using a bold prohibition symbol and message.
• Clearly states that smoking and vaping are not permitted
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and reduce fire and health risks
£2.26
No smoking it is against the law to smoke in these premises sign

No Smoking It Is Against The Law To Smoke In These Premises Sign

Clearly informs staff, visitors and customers that smoking is prohibited by law within these premises to support smoke-free compliance.
• Clearly states that smoking in these premises is against the law
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold prohibition symbol and text ensure high visibility and quick recognition
• Available in Extra Glow in the Dark Self Adhesive (Class C), Extra Glow in the Dark Rigid Plastic (Class C), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Brushed Aluminium (3mm)
• Helps support legal compliance and maintain safer smoke-free environments
£2.26
No Unauthorised Persons Allowed Beyond This Point Sign with red prohibition symbol

No Unauthorised Persons Allowed Beyond This Point Sign

Clearly restricts access beyond a designated point to authorised personnel only and helps maintain controlled access within the workplace.
• Clearly prevents unauthorised persons from proceeding beyond designated access points
• Suitable for doors, gates, warehouses, factories and restricted work areas
• Bold red and white prohibition design provides high 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 improve workplace security and maintain controlled site access
£2.26
Caution Plant Room Sign

Caution Plant Room Sign

Caution Plant Room Sign clearly warns workers and visitors of potential plant room hazards while reinforcing authorised access restrictions and door security requirements.
• Warns of plant room hazards and instructs unauthorised personnel to keep out and the door to remain locked.
• Ideal for plant rooms, boiler rooms, maintenance areas, service rooms and restricted technical environments.
• High-contrast yellow, red and blue safety panels with recognisable symbols provide clear visibility.
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm) and Self Adhesive Vinyl.
• Helps improve workplace safety awareness and reinforces secure access procedures in restricted plant room areas.
£4.07
No Exit Sign with red prohibition symbol

No Exit Sign

Clearly identifies restricted exit points and helps control movement through designated access areas with a highly visible No Exit Sign.
• Clearly prevents unauthorised exiting through restricted or controlled access points
• Suitable for doors, corridors, restricted zones and controlled access points
• Bold red prohibition symbol and clear text provide excellent 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 improve site security and supports controlled movement within premises
£2.26
No smoking or vaping on this site prohibition sign

No Smoking Or Vaping On This Site Sign

Clearly informs staff and visitors that smoking and vaping are prohibited anywhere on the site.
• Clearly states that smoking and vaping are not permitted on site
• Ideal for workplaces, construction sites, public buildings and shared outdoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain safer site environments
£2.26
5 mph speed limit in force sign with red circular border and bold black lettering

5 mph Speed Limit In Force Sign

Clearly inform drivers that a 5 mph speed limit is in force with this highly visible traffic control sign designed to improve site safety.
• Enforces a 5 mph speed limit to help reduce vehicle speeds
• Suitable for car parks, industrial sites, private roads and pedestrian areas
• Clear red circular symbol and bold lettering ensure easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps improve traffic management and protect pedestrians in controlled areas
£10.38
Designated vaping and smoking area safety sign

Designated Vaping And Smoking Area Sign

Designated vaping and smoking area sign designed to clearly identify permitted smoking and vaping zones in workplaces and public environments.
• Clearly indicates areas where smoking and vaping are permitted
• Ideal for workplaces, smoking shelters, staff areas and public buildings
• Bold green design provides high visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps organise designated smoking and vaping areas effectively
£2.26
No Entry To Unauthorised Personnel Sign with red prohibition symbol

No Entry To Unauthorised Personnel Sign

Clearly restricts access to controlled areas and helps prevent unauthorised personnel from entering designated zones.
• Clearly prevents entry by unauthorised personnel
• Suitable for construction sites, workplaces and restricted access zones
• Bold red and white design provides quick recognition and high 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 4mm Recyclable Correx ®
• Helps improve workplace security, safety awareness and access control
£10.76