Keep Locked Symbol Signs are mandatory ISO 7010 safety signs used to indicate that doors, cupboards or access points must remain locked. Displayed in blue with a clear symbol and text, they help prevent unauthorised access, reinforce security procedures and support compliance across UK workplaces.

Where & How to Use

Install keep locked symbol signs on doors, cabinets or enclosures that must remain secured, including plant rooms, storage cupboards and restricted access areas. Position at eye level on the door or immediately adjacent so the instruction is visible before access is attempted.

Expected Safety Outcomes After Installation

✓ Reduced unauthorised access
✓ Improved access control

✓ Clear security messaging
✓ Fewer access breaches

✓ Stronger compliance awareness
✓ Safer restricted areas

Specifications

Sign type: Mandatory
Conforms to ISO 7010
Message: Keep locked
Format: Symbol and text
Symbol: Keep locked
Background colour: Blue
Text colour: White

Finish: High gloss
Non-photoluminescent
Non-reflective
Display area: Indoor and outdoor
Orientation: Portrait
Shape: Rectangle
Write-on: No

Supplied in: Single
Size options: Multiple sizes available
Material: Self-adhesive vinyl
Material: Rigid plastic
Material: Adhesive rigid plastic
Durable surface finish
Clear symbol visibility

ⓘ Installation Guidance

Extra Guidance for Installers and Safety Managers

Common Mistakes

❌ Installing too high or too low
❌ Using non-mandatory colours
❌ Fixing over uneven surfaces

When NOT to use this sign

❌ Where doors must remain unlocked
❌ On emergency exit routes
❌ Where warning signage is required instead

Pro Installer Tips

✅ Keep height consistent site-wide
✅ Match sign size to viewing distance
✅ Combine with physical locking controls

? Customers Questions

Customers frequently asked questions

What are Keep Locked Symbol Signs? They are mandatory safety signs used to indicate that doors or access points must remain locked.

Where should keep locked symbol signs be used? They should be fitted to doors, cupboards or enclosures requiring restricted access.

Do keep locked symbol signs comply with ISO 7010? Yes, they conform to ISO 7010 for recognised safety communication.

Which material is best? Vinyl suits smooth surfaces, while rigid plastic offers a more permanent solution.

Are these signs suitable for outdoor use? Yes, they are suitable for both indoor and outdoor environments.

✔ Features & Benefits

Features & Benefits

✓ Purpose: Restricts unauthorised access
✓ Design: ISO 7010 mandatory format
✓ Material: Multiple fixing options
✓ Finish: Gloss surface for durability
✓ Visibility: Clear symbol-led message
✓ Application: Indoor and outdoor use

✓ Improves site security
✓ Reinforces locking procedures
✓ Reduces access misuse
✓ Supports risk assessments
✓ Consistent site-wide messaging
✓ Professional safety appearance

Useful keep locked alternatives for labels and signs

For a more visible wall or door instruction, choose keep locked door signs where the message must stand out before entry. Useful for stores, cupboards and restricted work rooms.

If you prefer a pictogram-led format, compare keep locked symbol safety signs for quick visual recognition. They suit areas where a simple mandatory message is enough.

For small surfaces needing a symbol rather than text, use compact keep locked symbol labels to give a neat visual instruction. Helpful on lockers, tool stores and equipment cases.

When many matching labels are needed, consider rolls of keep locked vinyl labels for quicker repeat application. A good fit for facilities teams managing multiple cupboards or cabinets.

To compare every format in one place, visit keep locked signage for secure workplace areas before deciding. This makes it easier to match adhesive labels with larger signs where needed.

🚚 Delivery

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Based on an estimated 3 working day delivery timeframe from today, excluding weekends and bank holidays. Delivery dates are provided as a guide only and may vary depending on the product ordered, stock availability at the time of purchase, production or printing lead times.