Secure restricted zones with this robust No Unauthorised Entry sign, a vital addition to any access control and no entry signage range. Manufactured in the UK, it features a bold prohibition pictogram compliant with ISO 7010, ensuring instant recognition. Made from weather-resistant materials—choose from rigid plastic, recycled plastic or aluminium composite—it offers exceptional durability both indoors and outdoors. Ideal for construction sites, warehouses, private estates and industrial environments, this sign reinforces your duty under the Health & Safety (Safety Signs and Signals) Regulations 1996 and supports compliance with HSE guidelines. Quick and easy to install with self-adhesive pads or pre-drilled holes, it helps you prevent unauthorised access, reduce site safety hazards, and maintain clear access control. UV-stable and low maintenance, this safety sign provides long-term protection against fading and wear. Enhance security and demonstrate commitment to safety with a high-visibility solution trusted by professionals across the UK.