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Biohazard Signs

Need help? Need help? Biohazard Signs and safety standards Durable Biohazard Signs - All Environments Covered!

Invisible dangers - From medical waste to live viruses, any business that deals with biohazardous materials knows that these represent a very real danger to both employees and visitors on their premises. In order to help maintain the best safety standards at your workplace, ensure you use biohazard signs at any location where such materials may be present.

By using prominently displayed signs you can help to make sure that everyone in the area understands the risks and can take the appropriate actions needed to protect them from the danger. All of our safety signs meet current legislation and are available in a range of size and material options, meaning you can be sure to find exactly what you need to keep your people safe.

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Safety Standards


The prevention of accidents before they occur is the ultimate goal of any good health and safety program and well-placed, appropriate safety signs help to ensure just that. However, you should always be prepared should the worst happen. As well as safety signs, we can provide your business with any other equipment that is needed to protect employees and visitors from biohazards.

Protecting your team - Our biohazard signs may warn people to keep their distance, but they may also instruct employees to wear suitable protective clothing. We have a large selection of Personal Protective Equipment, including Eye Protection, Safety Gloves and Respiratory Equipment.

Furthermore, it is essential that in the event of an accident involving hazardous materials that prompt treatment can be offered. Use our Emergency Facilities Signs so that Eye Washes and Safety Showerscan be quickly located in an emergency.

It is also imperative to make areas safe as quickly as possible in the event of an accident. Browse our range of Biohazard Cleaning Equipment, including our First Aid/BiohazardSafety Stations and see what we can offer your business.

Biohazard Signs and Meanings


Biohazard signs have been in use on packaging and in facilities since the mid-1990s. A bio hazard sign consists of black concentric circles depicted on a yellow background, making it highly visible and easy to spot in any setup.

Globally, people recognise this biohazard sign meaning, which warns them of a potential organic threat to health. You will find biohazard signs in a variety of industries such as agricultural operations, fisheries, laboratories and hospitals. Regardless of where you use it, people are familiar with the biological hazard symbol meaning.

All of Seton’s biohazard signs comply with this attention-grabbing standard. However, strategic placement is crucial if you want your bio hazard sign to be seen and improve workplace safety. Signs are useless if people cannot spot them immediately.

Any variation of the standard biohazard warning sign usually contains a graphic of the overlapping circles and other additional information. This shows people exactly what kind of threat is present in which area. For example, attaching biohazard warning signs on the doors of a COVID-19 unit and notifying people that it is a quarantine zone tells them to be careful and also gear up with the necessary PPE.

Other biohazard signs omit the typical circle symbol and replace it with an exclamation mark, for instance, and bring in other standard warnings to caution and prohibit certain actions. A multi-message bio hazard sign may warn people not to eat or drink in a biohazardous area, for example.

Your biohazard signs and meanings must be specific to your environment. This means thorough assessment and planning.

Determining the Bio Hazard Sign Needs of Your Workplace


As with your other safety signage and equipment, your biohazard signs are part of your risk assessment process. You must identify which signs you need for your facilities, where to place them, and how to combine them with others, such as your PPE signage.

Remember, a biohazard such as a virus cannot be seen with the naked eye. For that reason, biohazard signs are the only warning you can issue. Consequently, your assessment must include:

  • The type of biohazard signs you need, including variant or customised signage.

  • How many you need and where to place them for optimal visibility and efficacy.


Some facilities only need generic biohazard warnings, while others with multiple hazards will benefit from designing their own signs. Thanks to Seton’s custom biohazard warning signs, you can specify warnings (on the approved yellow background) to suit your unique setup.

This means that you can choose between graphics such as the biohazard circles, an exclamation, or a radioactive symbol and have your custom wording printed on the sign. For instance, if you run a pathology laboratory, you can design the signage with the biohazard circles and issue a warning about needles and other sharps in rooms where you take blood samples.

These custom signs also work well when cautioning people about specific hazards such as electric dangers and trip and fall surfaces. Regardless of your risk, we will help you design a sign for a safer workplace.

Seton’s pre-designed biohazard warning signs are equally effective and eye-catching. We stock a comprehensive selection of biohazard, radioactive and quarantine warnings. Take a look at our budget-friendly promotions.

As stated, it is vital to strategically place your biohazard signs. When attached at eye level, people cannot miss a sign. This is typically between one-and-a-half and two metres from the ground.

If you affix a bio hazard sign to a door, ensure that the door remains closed, otherwise people will not see it. In this case, you may also need a ‘please keep door closed at all times’ sign.

Meeting Legislation


Anyone entering premises where biohazardous waste is produced or stored needs to understand that they are potentially coming into danger. By displaying biohazard signs wherever necessary, you can make sure that your team carry out their tasks in the full understanding of where they need to take extra steps to keep themselves safe.

The EU and UK rules governing health and safety around biohazardous materials can be bewildering. However, you can shop with confidence at Seton; all of our biohazard signs fully comply with all current health and safety rules including the use of the universally recognised biohazard symbol which meets the European Normative BS EN ISO 7010 legislation. This means that even for those who cannot read the accompanying text - the message is clear.

Choosing Your Sign


The choice is yours - we stock a large number of biohazard signs each available in our wide range of materials, sizes and orientations to suit every requirement. All of our options are fully compliant with current industry regulations and made of durable materials.

Furthermore, you can ensure your signs are placed exactly where they are needed, indoors or out, with our Sign Fixings, helping you keep your signs secured prominently and safely in place. These options include flexible, self-adhesive vinyl signs that lend themselves easily to placing around cylinders.