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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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
£14.77
Permit To Work Must Be Obtained Sign with white mandatory symbol and text on blue background

Permit To Work Must Be Obtained Sign

Clearly instructs workers that a permit to work must be obtained before tasks begin, helping reinforce proper authorisation and workplace safety procedures.
• Instructs workers that a permit to work must be obtained before tasks begin
• Suitable for construction sites, factories, hazardous areas and industrial facilities
• Bold white text and symbol on a blue background provide 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 improve workplace safety compliance and reduce unauthorised work activities
£4.88
Safety Harness Must Be Worn Sign with mandatory fall protection symbol

Safety Harness Must Be Worn Sign

Clearly instructs workers that a safety harness must be worn to reinforce fall protection requirements when working at height.
• Instructs personnel to wear safety harnesses when working at height
• Suitable for construction sites, scaffolding areas, rooftops and elevated work zones
• Bold white text and a clear safety harness symbol on blue provide 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), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reinforce safe working practices and reduce the risk of falls
£6.86
Did You Wash Them hand hygiene sign with white hand graphics on a blue background

Did You Wash Them? Hygiene Sign

Clearly reminds staff and visitors to wash their hands properly to support good hygiene practices and help reduce the spread of germs.
• Encourages proper handwashing and reinforces hygiene awareness
• Suitable for washrooms, kitchens, workplaces and public facilities
• Bold blue design with clear white text and hand graphics provides 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 the importance of handwashing and promote cleaner environments
£2.71
Keep Locked Sign with white lock symbol and text on blue background

Keep Locked Sign

Clearly instructs people to keep doors, gates and access points locked, helping maintain security and controlled access in restricted areas.
• Reinforces the requirement to keep designated access points locked
• Suitable for secure facilities, restricted areas, warehouses and staff-only zones
• Bold white text and lock symbol on a blue background provide 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 improve site security, access control and workplace safety
£2.71
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
All Visitors Must Report To Reception Sign with white mandatory symbol and text on blue background

All Visitors Must Report To Reception Sign

Clearly instructs all visitors to report to reception upon arrival, helping reinforce site entry, visitor management and access control procedures.
• Instructs all visitors to report to reception upon arrival
• Suitable for offices, schools, warehouses and commercial premises
• Bold white text and symbol on a blue background provide 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 improve visitor management, site security and access control procedures
£4.88
All Visitors And Drivers Must Report To The Gatehouse Sign with white mandatory symbol and text on blue background

All Visitors And Drivers Must Report To The Gatehouse Sign

Clearly instructs all visitors and drivers to report to the gatehouse, helping reinforce controlled access and site security procedures.
• Instructs all visitors and drivers to report to the gatehouse
• Suitable for industrial sites, warehouses, distribution centres and secure facilities
• Bold white text and symbol on a blue background 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 improve site security, visitor management and controlled access procedures
£6.86
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
£14.77
Keep Out mandatory safety sign with blue and white design

Keep Out Sign


Clearly instructs individuals to keep out of restricted areas, helping maintain controlled access and improve site safety.
• Instructs people to keep out of restricted or controlled areas
• Suitable for construction sites, workplaces and controlled access zones
• Bold blue design with clear white text provides high visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps support site safety, security and controlled access
£2.71
Hand Washing Technique With Soap And Water Hygiene Sign with illustrated step-by-step instructions

Hand Washing Technique With Soap And Water Hygiene Sign

Clearly provides step-by-step hand washing instructions using soap and water to support effective hygiene and infection control.
• Explains the correct hand washing technique using soap and water
• Suitable for washrooms, kitchens, healthcare settings and public facilities
• Clear instructional text and illustrated steps provide easy visual guidance
• 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 thorough hand washing practices and reduce contamination risks
£8.59
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
£10.20