Prohibition Signs

A prohibition sign is a safety sign prohibiting behaviour likely to cause a risk to health and safety. These health & safety signs are required to be red show only what or who is forbidden.

Prohibition safety signs generally depicted a black safety symbol in a red circle with a diagonal cross through. Prohibition signage, or “no” signs, are often accompanied by the instruction “No” or “Do Not”; such as do not enter, and no smoking.

Below are our most popular prohibited signs symbols (bespoke options available on request), all of which comply with BS EN ISO 7010.