Mandatory Signs

Construction Mandatory Signs provide clear instructions about actions that must be followed on construction sites and temporary work areas. Also known as mandatory safety signs, PPE requirement signs or site instruction signs, they help ensure workers, contractors and visitors understand the safety precautions required before entering hazardous environments.

Commonly used by principal contractors, developers, construction companies, facilities managers and local authorities, mandatory signs reinforce essential safety procedures and support effective site management.

Typical installation locations include site entrances, welfare facilities, access routes, plant areas, scaffolding zones, loading bays and operational work areas where specific safety measures must be followed.

Manufactured in the UK and available in durable materials suitable for indoor and outdoor use, construction mandatory signs help create safer workplaces by communicating important safety instructions clearly and consistently.

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Thumbs up construction safety sign ensure plant operators know you are there
Get The Thumbs Up Construction Safety Sign
Encourage clear communication between workers and plant operators with this highly visible construction safety sign.
• Reinforces awareness between ground workers and machinery operators
• Ideal for construction sites, industrial yards, and plant areas
• Bold graphics and clear text for high visibility
• Available in multiple durable material options
• Helps reduce accidents involving moving plant equipment
£5.63
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Get the thumbs up to avoid being knocked down construction safety sign
Get The Thumbs Up Construction Safety Sign - BS 5499 Compliant
Reminds pedestrians and site workers to gain acknowledgement from machinery operators before entering work areas.
• Helps prevent accidents involving moving plant and vehicles
• Suitable for construction sites, access routes and pedestrian crossing points
• Clear blue mandatory-style symbol with bold, easy-to-read text
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Encourages safer communication between workers and machine operators
£5.10
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Warning construction site keep out sign with hazard and access restriction symbols
Warning Construction Site Keep Out Sign - BS 5499 Compliant

Warning construction site keep out sign designed to prevent unauthorised access and improve safety awareness in hazardous work areas.
• Helps warn individuals to keep out of dangerous construction and restricted access zones
• Suitable for construction sites, renovation projects, perimeter fencing, and work areas
• High-contrast warning colours and bold symbols ensure excellent visibility and readability
• Manufactured from Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Rigid Plastic (1mm), and 4mm Recyclable Correx ®
• Supports improved site safety control and helps reduce the risk of accidents and unauthorised entry
£8.19
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Danger keep out sign with hazard warning and restricted access symbols
Danger Keep Out Sign
Danger keep out sign designed to warn individuals of hazardous areas and prevent unauthorised access to restricted locations.
• Helps communicate dangerous conditions and instructs individuals to keep out of restricted areas
• Suitable for construction sites, industrial facilities, secure zones, and hazardous work environments
• Bold warning colours and clear symbols ensure strong visibility and quick understanding
• Manufactured from Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Supports improved site safety awareness and helps reduce the risk of unauthorised entry
£9.01
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Now wash your hands hygiene sign
Now Wash Your Hands Sign
Now Wash Your Hands Sign reminds individuals to wash their hands thoroughly to support hygiene standards and reduce contamination risks.
• Instructs users to wash their hands after activities or before entering hygiene areas
• Suitable for washrooms, kitchens, healthcare facilities, and workplaces
• Bold blue mandatory design ensures excellent visibility and readability
• Manufactured from Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reduce the spread of germs and supports workplace hygiene compliance
£2.26
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All visitors must report to site office mandatory safety sign
All Visitors Must Report To Site Office Sign
Ensure all visitors report to the designated site office with this clear mandatory safety sign.
• Clearly instructs visitors to report to the site office
• Ideal for construction sites, industrial facilities, and commercial premises
• Bold white text on blue background ensures high visibility
• Manufactured using durable materials for long-lasting use
• Helps maintain site security and proper visitor management
£6.13
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Pedestrians This Way mandatory safety sign with pedestrian symbol and blue background
Pedestrians This Way Sign - BS 5499 Compliant
Directs pedestrians safely along designated walking routes using clear visual guidance.
• Guides foot traffic along a designated pedestrian route
• Ideal for workplaces, pedestrian zones, public areas, and construction sites
• Bold blue and white design provides excellent visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps improve pedestrian safety and organised site movement
£9.01
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Keep Out mandatory safety sign with blue background and white text
Keep Out Sign

Ensure restricted areas remain secure with this clear and highly visible Keep Out mandatory sign.
• Clearly instructs individuals to keep out of restricted areas
• Ideal for construction sites, workplaces, and controlled access zones
• Bold blue design with clear white text for high visibility
• Available in durable materials suitable for long-term use
• Helps improve site safety and access control compliance
£2.26
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Safety harness must be worn BS 5499 compliant mandatory PPE safety sign
Safety Harness Must Be Worn Sign
Ensure workers use appropriate fall protection with this clear Safety Harness Must Be Worn sign.
• Instructs personnel to wear safety harnesses when working at height
• Ideal for construction sites, scaffolding areas, rooftops and elevated work zones
• Bold white text and symbol on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reduce risk of falls and supports safer working practices
£5.72
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All Visitors And Drivers Must Report To Site Office mandatory safety sign
All Visitors And Drivers Must Report To Site Office Sign
Clearly instruct all visitors and drivers to report to the site office before entry with this highly visible mandatory safety sign.
• Instructs all visitors and drivers to report to the site office before accessing the premises
• Suitable for construction sites, industrial premises, warehouses, and commercial entrances
• Bold blue and white design ensures excellent visibility and readability
• Manufactured from durable Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm) materials
• Helps improve visitor control, site security, and workplace compliance procedures
£9.01
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Hand washing technique with soap and water hygiene sign
Hand Washing Technique With Soap And Water Hygiene Sign
Hand Washing Technique With Soap And Water Hygiene Sign provides clear step-by-step instructions for effective hand washing to support hygiene and infection control.
• Explains the correct hand washing process using soap and water
• Suitable for washrooms, kitchens, healthcare settings, and public facilities
• Features easy-to-follow illustrations and clear instructional text
• Manufactured from Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce contamination risks and supports hygiene compliance
£7.16
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Danger demolition in progress keep out sign with warning and mandatory symbols
Danger Demolition In Progress Keep Out Sign
Danger demolition in progress keep out sign designed to warn of active demolition hazards and restrict unauthorised access to hazardous areas.
• Helps warn individuals of demolition work in progress and instructs people to keep out of dangerous areas
• Suitable for construction sites, demolition zones, restricted work areas, and industrial premises
• High-visibility warning colours and bold symbols ensure strong readability and quick recognition
• Manufactured from Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Supports safer site access control and helps reduce the risk of accidents and injuries
£5.72
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Safety Starts Here mandatory workplace safety sign
Safety Starts Here Sign
Promote workplace awareness and encourage a strong safety culture with this highly visible Safety Starts Here sign.
• Reinforces a safety-first mindset in workplaces and industrial environments
• Ideal for entrances, warehouses, factories, and staff access points
• Bold blue and white design ensures excellent visibility and readability
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve safety awareness and encourage responsible behaviour on site
£4.07
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This Entrance Must Be Kept Clear Of All Obstructions mandatory safety sign
This Entrance Must Be Kept Clear Of All Obstructions Sign
Ensure entrances remain free from obstructions with this highly visible mandatory safety sign.
• Instructs individuals to keep entrances clear of all obstructions
• Ideal for workplaces, public buildings, warehouses, and access points
• Bold white text and symbol on blue background ensure excellent visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps maintain safe access routes and emergency egress compliance
£4.07
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This Area Must Be Kept Clear At All Times mandatory safety sign
This Area Must Be Kept Clear At all Times Sign
Maintain safe access and prevent obstructions with this highly visible mandatory safety sign.
• Instructs individuals to keep the area clear at all times
• Ideal for workplaces, warehouses, public buildings, and access routes
• Bold white text and symbol on blue background provide excellent visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps support safe movement, access compliance, and emergency procedures
£2.26
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Keep loading bay gates closed at all times when not in use mandatory safety sign
Keep Loading Bay Gates Closed At All Times When Not In Use Sign
Ensure loading bay safety by reminding staff to keep gates closed when not in use.
• Reinforces safe working practices in loading areas
• Ideal for warehouses, distribution centres, and industrial sites
• Bold white text on blue background ensures clear visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce risks from moving vehicles and unauthorised access
£12.31
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Keep Locked mandatory security and safety sign
Keep Locked Sign
Ensure doors and restricted areas remain secure with this highly visible Keep Locked sign.
• Reinforces the requirement to keep doors, gates, and access points locked
• Ideal for secure facilities, restricted areas, warehouses, and staff-only zones
• Bold blue and white design ensures excellent visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), and Self Adhesive Vinyl
• Helps improve site security, access control, and workplace safety compliance
£2.26
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All Visitors And Drivers Must Report To The Gatehouse mandatory safety sign
All Visitors And Drivers Must Report To The Gatehouse Sign
Ensure site access procedures are followed with this highly visible All Visitors And Drivers Must Report To The Gatehouse sign.
• Instructs all visitors and drivers to report to the gatehouse before entry
• Ideal for industrial sites, warehouses, distribution centres, and secure facilities
• Bold blue and white design ensures excellent visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps improve site security, visitor management, and controlled access procedures
£5.72
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Health And Safety At Work Act 1974 mandatory workplace safety sign
Health And Safety At Work Act 1974 Sign
Display important workplace legal safety requirements with this highly visible Health And Safety At Work Act 1974 sign.
• Communicates responsibilities and compliance under the Health and Safety at Work Act 1974
• Ideal for workplaces, offices, construction sites, and public buildings
• Bold blue and white design ensures excellent visibility and readability
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps reinforce legal obligations and promote a safe working environment
£5.72
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Keep Gates Closed mandatory safety sign
Keep Gates Closed Sign
Ensure gates remain securely closed with this highly visible Keep Gates Closed sign.
• Instructs staff and visitors to keep gates closed at all times
• Ideal for construction sites, industrial facilities, restricted zones, and access points
• Bold blue and white design ensures excellent visibility and clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps improve site security, controlled access, and workplace safety compliance
£12.31
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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
£12.31
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Use hand sanitiser mandatory hygiene sign
Use Hand Sanitiser Sign
Use Hand Sanitiser Sign reminds staff and visitors to sanitise their hands to support hygiene standards and reduce the spread of germs.
• Encourages proper hand sanitising in shared environments
• Suitable for workplaces, healthcare settings, public areas, and hygiene-controlled environments
• Clear blue mandatory symbol and bold text ensure instant visibility
• Manufactured from Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve hygiene compliance and supports cleaner workplaces
£2.26
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Fingerprint scan required before entering site mandatory security sign
You Must Scan Your Finger Print Here Prior To Entering The Site Sign
Instructs authorised personnel to scan their fingerprint before entering a secure area.
• Ensures biometric access control procedures are followed
• Suitable for high-security sites, offices, and restricted areas
• Clear text and fingerprint symbol for strong visibility
• Available in durable materials for indoor and outdoor use
• Helps maintain security and restrict unauthorised entry
£6.13
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Did You Wash Them hygiene hand washing reminder sign
Did You Wash Them? Hygiene Sign
Did You Wash Them? Hygiene Sign reminds staff and visitors to wash their hands properly to support hygiene and reduce the spread of germs.
• Encourages proper handwashing and hygiene awareness
• Suitable for washrooms, kitchens, workplaces, and public facilities
• Bold blue design with clear text and hand graphics for visibility
• Manufactured from Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce contamination risks and promotes cleaner environments
£2.26
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CSCS cards required to work on this site mandatory construction safety sign
CSCS Cards Required To Work On This Site Sign
Ensure only authorised workers with valid CSCS cards access the site with this mandatory safety sign.
• Enforces requirement for valid CSCS certification on site
• Ideal for construction sites, building projects, and work zones
• Clear bold white text on blue background for high visibility
• Available in durable rigid plastic and correx material options
• Helps maintain compliance and ensures qualified workforce presence
£6.13
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Close it lock it mandatory safety sign with padlock symbol
Close It Lock It Sign
Ensure doors, gates and access points are properly secured with this clear mandatory sign.
• Reinforces the need to close and lock access points
• Suitable for construction sites, warehouses and restricted areas
• Bold white text and symbol on blue for high visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve site security and prevent unauthorised access
£5.72
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Hoist gates must be kept closed mandatory safety sign
Hoist Gates Must Be Kept Closed Sign
Ensure hoist gates remain closed at all times to maintain safety and prevent accidents in hazardous work areas.
• Instructs that hoist gates must be kept closed
• Ideal for construction sites, warehouses, and industrial facilities
• Clear white text on blue background for high visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce risk and enforce safe working practices
£5.72
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Keep Clear mandatory safety sign with blue background and white text
Keep Clear Sign
Maintain safe access and prevent obstructions with this highly visible keep clear safety sign.
• Instructs individuals to keep designated areas clear at all times
• Ideal for workplaces, construction sites, entrances, and access routes
• Bold white text and symbol on blue background provide excellent visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve workplace safety and maintain unrestricted access
£2.26
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Keep site entrance clear mandatory safety sign
Keep Site Entrance Clear Sign

Ensure entrances remain unobstructed to maintain safe and efficient site access at all times.
• Instructs that site entrances must be kept clear
• Ideal for construction sites, warehouses, and industrial facilities
• Clear white text on blue background for high visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps prevent access issues and supports smooth site operations
£5.72
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Close these gates at night mandatory safety sign
Close These Gates At Night Sign
Remind staff and visitors to close gates at night to maintain site security and safety.
• Instructs that gates must be closed at night
• Ideal for construction sites, industrial premises, and gated areas
• Clear white text on blue background for strong visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve security and reduce unauthorised access risks
£5.72
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Keep to access routes mandatory safety sign
Keep To Access Routes Sign
Direct staff and visitors to stay on designated access routes to maintain safety and site organisation.
• Instructs that access routes must be followed at all times
• Ideal for construction sites, industrial facilities, and workplaces
• Clear white text on blue background for high visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve safety by guiding movement and reducing risks
£5.72
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Sub contractors must report to site office before starting work mandatory sign
Sub Contractors Must Report To Site Office Before Staring Work Sign
Clearly instructs all sub-contractors to report to the site office before commencing work.
• Ensures sub-contractors follow site reporting procedures
• Ideal for construction sites, building projects, and industrial locations
• Bold white text on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Recyclable Correx® (4mm)
• Helps maintain site control, safety, and administrative compliance
£6.13
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Wheel wash area mandatory blue safety sign
Wheel Wash Area Sign
Clearly marks designated wheel washing zones to maintain site cleanliness and compliance.
• Indicates designated wheel wash area for vehicles
• Ideal for construction sites, industrial yards, and logistics areas
• Bold white text on blue background for clear visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps prevent mud tracking and supports environmental compliance
£5.72
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All vehicles entering or leaving this site can be searched mandatory blue safety sign
All Vehicles Entering Or Leaving This Site Can Be Searched Sign
Informs drivers that all vehicles entering or leaving the site may be subject to search.
• Clearly communicates that vehicle searches may be conducted on site
• Ideal for construction sites, industrial premises, and secure facilities
• Bold white text on blue background ensures high visibility and clarity
• Available in durable materials suitable for indoor and outdoor use
• Helps deter unauthorised activity and supports site security procedures
£5.72
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Sign in here information safety sign
Sign In Here Sign
Direct visitors and staff to the designated sign-in point to ensure proper registration and site control.
• Instructs where individuals must sign in upon arrival
• Ideal for offices, construction sites, and industrial facilities
• Clear white text on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Recyclable Correx ® (4mm)
• Helps maintain security, visitor tracking, and compliance procedures
£6.13
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Wear face mask mandatory safety sign with symbol
Wear Face Mask Sign
Clearly instructs individuals to wear face masks in designated areas to maintain hygiene and safety.
• Informs staff and visitors that face masks must be worn
• Ideal for workplaces, healthcare settings, and public areas
• Bold white text and symbol on blue background for clear visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Supports infection control and compliance with health and safety guidelines
£5.72
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Please wear a face covering mandatory hygiene safety sign
Please Wear A Face Covering Sign
Please Wear A Face Covering Sign politely reminds individuals to wear face coverings to support hygiene and workplace safety standards.
• Encourages staff and visitors to wear face coverings in designated areas
• Suitable for workplaces, retail spaces, healthcare settings, and public environments
• Bold blue mandatory design ensures excellent visibility and quick understanding
• Manufactured from Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps support hygiene procedures and reduce the spread of airborne contaminants
£5.72
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No hard hat no job mandatory safety sign with helmet symbol
No Hard Hat No Job Sign - BS 5499 Compliant
Clearly enforces the requirement to wear a hard hat on site with a direct and uncompromising message.
• Instructs that hard hats are mandatory for all personnel
• Ideal for construction sites, industrial areas, and high-risk zones
• Bold white text and symbol on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Reinforces strict PPE rules to improve safety compliance
£5.72
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Protective footwear must be worn in this area mandatory safety sign
Protective Footwear Must Be Worn In This Area Sign
Clearly instructs personnel to wear protective footwear in designated areas to reduce risk of foot injuries.
• Informs staff and visitors that protective footwear is mandatory
• Ideal for construction sites, warehouses, and industrial environments
• Bold white text and symbol on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps prevent foot injuries and ensures PPE compliance
£5.72
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Protective clothing must be worn in this area mandatory safety sign
Protective Clothing Must Be Worn In This Area Sign
Clearly instructs personnel to wear protective clothing in designated areas to ensure safety and compliance.
• Informs staff and visitors that protective clothing is mandatory
• Ideal for industrial sites, laboratories, and hazardous work environments
• Bold white text and symbol on blue background for high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx® (4mm)
• Helps reduce risk from hazards and supports PPE compliance
£5.72
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Hi-visibility jackets must be worn in this area mandatory safety sign
Hi-Visibility Jackets Must Be Worn In This Area Sign
Ensure personnel wear high-visibility jackets in designated areas to improve safety and visibility.
• Clearly instructs that hi-visibility jackets must be worn
• Ideal for construction sites, warehouses, and traffic areas
• Bold white text and symbol on blue background for clear visibility
• Available in durable rigid plastic and correx material options
• Helps reduce risk in low-light and high-traffic environments
£6.13
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Eye protection must be worn in this area mandatory safety sign
Eye Protection Must Be Worn In This Area Sign
Ensure eye protection is worn in designated areas to reduce risk of injury and maintain safety compliance.
• Clearly instructs that eye protection must be worn in this area
• Ideal for workshops, laboratories, and industrial environments
• Bold white text and symbol on blue background for high visibility
• Available in rigid plastic and correx material options for durability
• Helps protect against debris, splashes, and hazardous materials
£6.13
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Masks must be worn in this area mandatory safety sign
Masks Must Be Worn In This Area Sign - BS 5499 Compliant
Ensure face coverings are worn in designated areas to maintain hygiene and safety standards.
• Clearly instructs that masks must be worn in this area
• Ideal for healthcare settings, workplaces, and public environments
• Bold white text and symbol on blue background for clear visibility
• Available in rigid plastic and correx material options for durability
• Helps support infection control and workplace safety compliance
£6.13
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Safety helmets must be worn on this site mandatory safety sign
Safety Helmets Must Be Worn On This Site Sign
Ensure all personnel wear safety helmets on site to maintain safety and compliance.
• Clearly instructs that safety helmets must be worn on site
• Ideal for construction sites, building projects, and work zones
• Bold white text and symbol on blue background for high visibility
• Available in rigid plastic and correx material options for durability
• Helps reduce risk of head injuries and enforce PPE rules
£6.13
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Hard hats must be worn beyond this point mandatory safety sign
Hard Hats Must Be Worn Beyond This Point Sign
Ensure head protection is worn when entering hazardous areas with this clear mandatory safety sign.
• Clearly instructs that hard hats must be worn beyond a specific point
• Ideal for construction sites, industrial zones, and restricted work areas
• Bold white text and symbol on blue background for high visibility
• Manufactured in durable rigid plastic and correx material options
• Helps enforce PPE compliance and reduce risk of head injuries
£6.13
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Respirators must be worn in this area mandatory safety sign
Respirators Must Be Worn In This Area Sign
Ensure respiratory protection is worn in designated areas to safeguard health and maintain safety compliance.
• Clearly instructs that respirators must be worn in this area
• Ideal for industrial sites, chemical handling zones, and hazardous environments
• Bold white text and symbol on blue background for high visibility
• Available in rigid plastic and correx material options for durability
• Helps protect against airborne hazards such as dust, fumes, and chemicals
£6.13
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Ear protection must be worn in this area BS 5499 compliant PPE safety sign
Ear Protection Must Be Worn In This Area Sign
Ensure hearing safety with this clear ear protection must be worn in this area mandatory sign.
• Instructs that ear protection must be worn in designated areas
• Ideal for factories, construction sites, workshops and high-noise environments
• Bold blue and white design ensures high visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reduce risk of hearing damage and supports workplace safety compliance
£2.26
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Permit To Work Must Be Obtained mandatory safety sign
Permit To Work Must Be Obtained Sign
Ensure proper authorisation procedures are followed with this highly visible Permit To Work Must Be Obtained sign.
• Instructs workers that a permit to work is required before tasks begin
• Ideal for construction sites, factories, hazardous areas, and industrial facilities
• Bold blue and white design ensures clear visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), and Self Adhesive Vinyl
• Helps improve workplace safety compliance and reduce unauthorised work activities
£4.07
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Sound Horn Drive Slowly mandatory safety sign with horn symbol
Sound Horn Drive Slowly Sign
Improve vehicle safety and awareness with this highly visible Sound Horn Drive Slowly sign.
• Instructs drivers to sound their horn and reduce speed in designated areas
• Ideal for construction sites, industrial yards, warehouses, and blind corners
• Bold blue and white design ensures excellent visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), and Self Adhesive Vinyl
• Helps reduce accidents and improve safety in high-risk vehicle movement areas
£2.26
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All Visitors Must Report To Reception mandatory safety sign
All Visitors Must Report To Reception Sign
Ensure all visitors follow site entry procedures with this highly visible All Visitors Must Report To Reception sign.
• Clearly instructs all visitors to report to reception upon arrival
• Ideal for offices, schools, warehouses, and commercial premises
• Bold blue and white design ensures excellent visibility and readability
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve visitor management, site security, and access control procedures
£4.07
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All visitors and drivers must report to site office mandatory safety sign
All Visitors And Drivers Must Report To Site Office Sign
Ensure proper site procedures are followed with this all visitors and drivers must report to site office mandatory sign.
• Instructs visitors and drivers to report to the site office upon arrival
• Ideal for construction sites, industrial premises, and secure work areas
• Clear blue and white design ensures strong visibility and easy understanding
• Available in rigid plastic or self adhesive vinyl for long-lasting use
• Supports site security, visitor tracking, and safety compliance
£6.75
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All Visitors And Drivers Must Report To Reception mandatory safety sign
All Visitors And Drivers Must Report To Reception Sign
Ensure visitor reporting procedures are followed with this highly visible All Visitors And Drivers Must Report To Reception sign.
• Instructs all visitors and drivers to report to reception upon arrival
• Ideal for offices, commercial buildings, warehouses, and industrial premises
• Bold blue and white design ensures excellent visibility and readability
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps improve visitor management, site security, and access control compliance
£9.01
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Wear face shield BS 5499 compliant mandatory PPE safety sign
Wear Face Shield Sign
Ensure facial protection compliance with this wear face shield mandatory safety sign.
• Instructs that a face shield must be worn in designated areas
• Ideal for laboratories, workshops, industrial sites and hazardous environments
• Clear blue and white design with symbol ensures high visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce risk of facial injuries and supports workplace safety compliance
£2.26
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No hats no boots no work mandatory safety sign
No Hats No Boots No Work Sign - BS 5499 Compliant
Reinforce strict PPE rules with this no hats no boots no work mandatory safety sign.
• States that hard hats and safety boots are required for work access
• Ideal for construction sites, industrial areas, and hazardous workplaces
• Bold blue and white design ensures clear visibility and quick understanding
• Available in rigid plastic options for durable, long-term use
• Helps prevent unsafe entry and supports workplace safety compliance
£8.19
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Hard hat hi-vis and boots must be worn mandatory safety sign
Hard Hat, Hi-Vis And Boots Must Be Worn Sign
Ensure full PPE compliance with this hard hat hi-vis and boots must be worn mandatory safety sign.
• Instructs that hard hats, high visibility clothing, and safety boots must be worn
• Ideal for construction sites, industrial areas, and high-risk work environments
• Bold blue and white design with clear symbols for maximum visibility
• Available in rigid plastic options for durable, long-term use
• Helps reduce risk of injury and ensures adherence to workplace safety regulations
£8.19
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Safety helmets must be worn mandatory sign
Safety Helmets Must Be Worn Sign
Mandatory safety helmets must be worn sign for reminding workers and visitors to wear head protection in required areas.
• Instructs people to wear safety helmets before entering or working in the area
• Used on construction sites, industrial workplaces, warehouses, workshops and maintenance areas
• Clear blue mandatory design with easy-to-read white text and helmet symbol
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reinforce head protection requirements and reduce workplace injury risks
£8.19
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Eye protection must be worn mandatory safety sign with safety glasses symbol
Eye Protection Must Be Worn Sign
Ensure eye safety by clearly instructing the use of protective eyewear in hazardous environments.
• Instructs mandatory use of eye protection equipment
• Ideal for laboratories, construction sites, and industrial workplaces
• Clear blue and white design with recognisable symbol for instant understanding
• Available in durable rigid plastic materials for long-lasting use
• Helps prevent eye injuries and ensures compliance with safety regulations
£8.19
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Ear protection must be worn mandatory safety sign with ear defenders symbol
Ear Protection Must Be Worn Sign
Ensure hearing safety by clearly instructing the use of ear protection in high-noise areas.
• Instructs mandatory use of ear protection equipment
• Ideal for factories, construction sites, and industrial environments
• Clear blue and white design with recognisable symbol for instant understanding
• Available in durable rigid plastic materials for long-lasting use
• Helps reduce risk of hearing damage and ensures safety compliance
£8.19
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Manhole Below Sign with blue warning symbol and white text
Manhole Below Sign
Alerts workers and pedestrians to hidden underground access points beneath covers or temporary surfaces.
• Warns of a manhole or access point below
• Suitable for worksites, footpaths, utilities areas, construction zones and maintenance locations
• Blue mandatory-style design with clear white text and symbol for strong visibility
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reduce trip, fall and access-related hazards in busy work areas
£8.19
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All visitors must report to site office mandatory sign
All Visitors Must Report To Site Office Sign
Mandatory all visitors must report to site office sign for directing visitors to follow check-in procedures on arrival.
• Instructs all visitors to report to the site office before proceeding further
• Used on construction sites, industrial premises, warehouses, offices and secure facilities
• Clear blue mandatory design with bold white text and symbol for high visibility
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps improve site security, visitor tracking and compliance with safety procedures
£8.19
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All workers must report to site office for safety induction mandatory sign
All Workers Must Report To Site Office Sign
Ensure all personnel report to the site office for safety induction before starting work with this mandatory safety sign.
• Instructs all workers to report for induction before commencing work
• Ideal for construction sites, industrial premises, and work zones
• Clear white text on blue background for high visibility
• Available in durable rigid plastic materials
• Helps enforce site safety procedures and compliance
£8.19
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Confined Space Permit To Work Required mandatory safety sign
Confined Space Permit To Work Required Sign
Ensure safe confined space entry procedures are followed with this highly visible Confined Space Permit To Work Required sign.
• Instructs that a permit to work is required before entering confined spaces
• Ideal for industrial sites, tanks, tunnels, and restricted access areas
• Clear blue and white design ensures strong visibility and quick recognition
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps enforce safety procedures and prevent unauthorised confined space access
£2.26
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Keep Clear mandatory safety signs pack of 10 with blue background and white text
Pack of 10 Keep Clear Signs
Ensure areas remain unobstructed with this pack of 10 highly visible Keep Clear mandatory safety signs.
• Instructs individuals to keep designated areas clear at all times
• Ideal for warehouses, access routes, fire exits, and industrial sites
• Bold white text on blue background ensures excellent visibility
• Available in rigid plastic and recyclable correx materials
• Supplied in a cost-effective pack of 10 for wider coverage
£117.16
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Construction Mandatory Signs Guide

Construction Mandatory Signs communicate actions that must be carried out to maintain a safe working environment. Using recognised blue mandatory sign symbols, these signs provide clear instructions that help workers, contractors and visitors comply with site safety requirements.

From PPE requirements and pedestrian routes to hearing protection and safety footwear instructions, mandatory signs are a fundamental part of construction site safety communication and risk management.

Where Are Construction Mandatory Signs Used?

  • Construction site entrances
  • Welfare facilities and site cabins
  • Plant and machinery operating areas
  • Scaffolding and elevated work zones
  • Loading and delivery areas
  • Hazardous work environments
  • Pedestrian access routes
  • Temporary contractor workspaces

Available Materials

Self-Adhesive Vinyl

Ideal for smooth indoor surfaces including cabins, welfare units and site offices.

Rigid Plastic

Durable and suitable for most construction site and workplace environments.

Aluminium Composite (3mm)

Provides long-term durability and weather resistance for outdoor installations.

Recyclable Correx ® (4mm)

Correx is lightweight and ideal for temporary signage. Can be recycled via many kerbside programs.

Frequently Asked Questions

What are construction mandatory signs?

Construction mandatory signs display actions that must be followed on site, such as wearing PPE or following designated pedestrian routes.

What colour are mandatory signs?

Mandatory signs use a blue circular background with a white symbol or instruction to indicate required actions.

Where should construction mandatory signs be installed?

They should be placed wherever workers or visitors need to follow specific safety instructions, including entrances, work zones and hazardous areas.

What PPE signs are commonly used on construction sites?

Common examples include wear safety helmet, wear high visibility clothing, safety footwear must be worn, eye protection must be worn and hearing protection must be worn signs.

Why are mandatory signs important?

They help communicate essential safety requirements clearly, reducing risks and supporting safe working practices throughout a project.

Can mandatory signs be used outdoors?

Yes. Rigid plastic, aluminium and correx signs are suitable for outdoor construction site environments.

Can I order custom mandatory signs?

Yes. Rainbow Safety can manufacture bespoke mandatory signs featuring custom wording, symbols and project-specific instructions.

Are Rainbow Safety mandatory signs manufactured in the UK?

Yes. Rainbow Safety manufactures a wide range of construction mandatory signs in the UK for quality, consistency and fast dispatch.

Why Buy From Rainbow Safety?

  • Manufactured in the UK
  • Over 30 years of construction safety signage expertise
  • Fast dispatch on standard products
  • Trade discounts available
  • Custom mandatory signs manufactured to order
  • Large range of construction and workplace safety signs
  • Trusted by UK contractors, developers and local authorities
  • Expert support from an experienced safety signage team