Ensure maximum safety with our Open Manhole Danger Sign, expertly designed to prevent accidents caused by uncovered manholes in garages, workshops, construction sites, and public areas. Featuring a bold “DANGER” heading paired with a clear, universally recognized pictogram, this sign guarantees immediate hazard awareness and complies fully with The Health and Safety (Safety Signs and Signals) Regulations 1996.

Manufactured in Britain from durable, weather-resistant materials—including rigid plastic, aluminium composite, and UV-stable self-adhesive vinyl—this sign withstands harsh indoor and outdoor conditions. Its ISO 7010-aligned design ensures clarity and easy interpretation, supporting compliance with HSE guidelines and UK safety standards.

Versatile mounting options such as screws or adhesive backing allow for permanent or temporary placement, helping businesses fulfill their responsibilities under the Health and Safety at Work Act 1974 by clearly warning workers and visitors of open manhole dangers. Available in multiple sizes to match your site’s visibility needs.

The Sign Shed is the UK’s top-rated online safety signs supplier, 5* rated (excellent) based on over 5,000 reviews. Enjoy free shipping on orders over £50 and trust in quality that’s proudly Made in Britain.