Warn staff and visitors effectively with this Confined Space Safety sign, expertly designed to control access and enhance hazard awareness. Proudly Made in Britain, it is crafted from durable, weather-resistant materials to withstand harsh outdoor conditions. The clear prohibition message “No Unauthorised Entry” paired with the mandatory instruction “Keep Locked” ensures maximum visibility and compliance with safety protocols. Featuring bold text and ISO 7010 compliant symbols, this sign supports site managers in meeting HSE safety standards, reducing workplace risks in environments such as factories, warehouses, and construction sites. Perfect for securing doors, gates, and enclosures, it promotes effective communication to prevent accidents and unauthorised access to hazardous areas. Available in rigid plastic, recyclable plastic, or aluminium composite, all with excellent UV resistance for lasting indoor or outdoor use. Benefit from free shipping on orders over £50 and trust The Sign Shed, the UK’s 5* rated top supplier with over 5,000 excellent reviews.