Mandatory Head Protection for Safer Worksites
This portrait safety sign measures 21.8x30cm and clearly displays the mandatory instruction “Safety helmets must be worn.” Featuring the universally recognised blue PPE symbol, it delivers instant visual recognition and reinforces the importance of head protection in hazardous environments.
Ideal for construction sites, industrial facilities, workshops, warehouses, and maintenance areas, this sign helps employers and site managers maintain compliance with workplace safety regulations while promoting a professional and safety-focused environment for staff and visitors alike.
Premium Signage Made to Last
All Gozo Graphics signs are printed with HP 4th Generation Latex Inks for vibrant colour accuracy, UV resistance, and long‑term durability.
These eco‑certified inks deliver crisp results for both indoor and outdoor use, while every material is fade‑resistant, weatherproof, and engineered to withstand demanding environments.
Choose from a range of high‑performance materials to suit any installation, or contact us for custom sizes and alternative options at
sales@gozo.graphics.
Laminated Sticker – €4.00
Durable, water‑resistant safety signage ideal for smooth indoor and outdoor surfaces.
Reflective Sticker – €11.00
High‑visibility safety sign solution designed for low‑light, roadside, and high‑risk work areas.
Glow in the Dark Sticker – €14.00
Non‑powered signage that absorbs ambient light and glows naturally in darkness, no batteries required.
3mm PVC Board – €10.00
Lightweight, rigid signage board perfect for everyday construction, workshop, and facility use.
3mm PVC Reflective – €17.00
Tough PVC board with enhanced reflective clarity for improved safety compliance in dim environments.
3mm PVC Glow in the Dark – €20.00
Non‑powered PVC safety signage that charges under light and glows naturally in low‑light conditions.
3mm ACP Panel – €14.00
Premium aluminium composite panel offering maximum strength, weather resistance, and professional finish.
3mm ACP Reflective – €21.00
Heavy‑duty ACP panel with professional‑grade reflective surface for critical safety signage applications.
3mm ACP Glow in the Dark – €24.00
High‑performance non‑powered ACP safety panel that absorbs ambient light and glows naturally in low‑light conditions.
Important Information
- Production Time: Standard production is 3 to 6 working days. During seasonal peaks production may take longer. Orders placed near our shutdowns will be completed after we reopen.
- Installation: Stickers must be applied to clean, dry, smooth surfaces. PVC and ACP panels are not supplied with pre-drilled holes or hanging hardware. For mounting, use a suitable adhesive or double-sided tape appropriate to the surface.
- Size Tolerance: Please allow for a manufacturing tolerance of ±2–5 mm on all signage dimensions. This is standard across printed and cut materials and does not affect product performance.
- Colour Variation: Printed colours may differ slightly from on‑screen previews due to monitor calibration, material surface, and lighting conditions. HP 4th Generation Latex Inks deliver excellent colour accuracy, but minor variations are standard in professional signage production.
- Customization: For custom sizes and materials please contact us at sales@gozo.graphics.
- Warranty & Returns: Standard warranty applies. No returns accepted for made-to-order products. Refunds are not issued for damages through customer use or handling.
Preview Examples
AI‑generated previews are provided here to give an idea of how the product materials may look. These images are for illustrative purposes only and should not be considered exact representations of the final product.
⚠️ Please Note: Actual materials are supplied with sharp non-rounded edges, and do not have the exaggerated white borders (such as the PVC Preview). The product’s print will match the preview shown in the official product thumbnail.

Promote Compliance and Reduce Workplace Risk
Installing this mandatory PPE sign helps minimise the risk of head injuries by clearly communicating safety requirements at key access points and high-risk zones. Whether positioned at site entrances, scaffold access points, machinery areas, or overhead hazard zones, it serves as a constant visual reminder of essential safety protocols.
Clear signage supports safer operations, improves regulatory compliance, and demonstrates a strong commitment
to health and safety across your worksite.


























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