Keep Locked Vandal Resistant Signs are heavy duty 400 x 300mm aluminium mandatory signs featuring the ISO 7010 padlock symbol. Engineered with heat-treated compound sealing, they resist graffiti, sharp impact and harsh weather, making them ideal for UK industrial and high-risk environments.

Where & How to Use this sign

Install on plant rooms, gated compounds, service yards, external doors and restricted access areas where doors must remain secured. Suitable for both indoor and outdoor mounting in exposed locations vulnerable to vandalism, impact or environmental wear.

Expected Safety Outcomes After Installation

✓ Reduced unauthorised access risk
✓ Improved security compliance visibility

✓ Long term durability in harsh environments
✓ Stronger industrial site safety control

✓ Clear padlock symbol recognition
✓ Lower replacement and maintenance costs

Specifications

Conforms to BS EN ISO 7010
Conforms to BS 5499
Sign type: Mandatory
Legend: Keep Locked
Symbol: Padlock pictogram
Format: Symbol and text

Size: 400 x 300 mm (H x W)
Orientation: Portrait
Shape: Rectangle
Material: Heavy duty aluminium
Finish: Heat treated compound sealed
Photoluminescent: No

Reflective: No
UV resistant surface
Solvent resistant coating
Graffiti and impact resistant
Suitable for indoor and outdoor use
Supplied individually

ⓘ Installation Guidance

Extra Guidance for Installers and Safety Managers

Common Mistakes

❌ Using lightweight fixings on exposed walls
❌ Installing in concealed positions
❌ Choosing non-durable signage in high-risk areas

When NOT to use this sign

❌ Where reflective signage is required
❌ On temporary construction fencing
❌ Where photoluminescent escape signage is mandated

Site Security Installation Tips

✅ Use tamper resistant fixings
✅ Mount at eye level facing main approach
✅ Ensure clear contrast with background surface

? Customers Questions

Customers frequently asked questions

What are Keep Locked Vandal Resistant Signs? Keep Locked Vandal Resistant Signs are heavy duty aluminium mandatory signs featuring the ISO padlock symbol to instruct that doors or access points must remain secured.

Where should a vandal resistant keep locked sign be installed? They are ideal for plant rooms, external compounds, service entrances and industrial yards where signage may be exposed to damage or tampering.

Are keep locked signs required under UK safety regulations? Mandatory signage is required where controlled access is part of a building’s safety or fire strategy and must clearly communicate locking instructions.

What makes a sign vandal resistant? Vandal resistant signs use heavy duty aluminium, protective coatings and impact resistant finishes to reduce damage from graffiti, weather and sharp objects.

Is the 400 x 300mm Keep Locked vandal resistant sign suitable for outdoor use? Yes, it is engineered for both indoor and outdoor environments and resists UV exposure, solvents and harsh weather.

✔ Features & Benefits

Features & Benefits

Features

✓ Heavy gauge aluminium construction
✓ Heat treated protective compound finish
✓ ISO 7010 compliant padlock symbol
✓ 400 x 300mm high visibility format
✓ UV and solvent resistant surface
✓ Designed for high risk environments

Benefits

✓ Resists vandalism and graffiti damage
✓ Maintains long term clarity outdoors
✓ Enhances security awareness
✓ Supports UK safety compliance
✓ Reduces sign replacement frequency
✓ Strengthens controlled access procedures

Related keep locked signs for different risk levels

For standard indoor instructions, compare general keep locked signs where vandal resistance is not the main concern. Useful for staff rooms, cupboards and routine workplace storage.

If you want a simpler visual message, use keep locked mandatory symbol signs where quick recognition matters. They suit shared work areas, access routes and controlled doorways.

For smaller assets that still need a clear instruction, choose adhesive keep locked labels instead of a larger sign. Ideal for cabinets, equipment stores and internal security reminders.

When marking many items at once, consider bulk keep locked vinyl labels for consistent repeat application. A useful choice for estates teams, workshops and maintenance stores.

For the wider range, review keep locked signage for restricted access points before you finalise your order. This helps you balance durability, visibility and fixing method.

🚚 Delivery

Estimated Delivery Day

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Estimated delivery by:

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.