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Must-Do Signs

Must-do signs (otherwise known as mandatory signs) help inform staff and other building occupants of important actions or behaviours to ensure their own – and others' – safety.


We stock a wide range of mandatory signs, from as simple as 'wash your hands' to customisable variants like 'All visitors must report to ___'. All our must-do signs are manufactured in the UK and compliant with BS EN ISO7010 standards. We also have a variety of photoluminescent signs which glow in the dark for optimum visibility, no matter the lighting conditions.


Browse our full range of blue must-do signs below at the lowest prices on the market – guaranteed.

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What colour are must-do signs?

The colour blue is used for mandatory signs to ensure they are distinguishable from other safety signage. For example, red fire signs or green first aid signs. The Safety & Signals Regulations 1996 state that the blue background must take up at least 50% of the area, and be accompanied by white text and symbols.  

What mandatory signage is required in my workplace?

It's down to your own discretion which must-do signs are to be used on your premises. Not all mandatory signs are relevant to certain industries, so it's important to consider which safety actions are necessary for your business. For example, warehouses will require a 'stack goods correctly' sign. And a canteen or café will require a 'wash your hands' and other hygiene notices.


All of our signs use the latest symbols and fully comply with BS EN ISO7010 regulations. Employers should ensure that blue safety signs are visible and easy to spot. 

Should must-do signs be illuminated?

It is not a requirement for blue safety signs to be illuminated unless the area has a particularly low level of lighting. However, we always advise opting for photoluminescent signage where possible. 


We have a huge range of must-do signs which are made from Jalite AAA material which glows in the dark for maximum visibility. This adds an extra level of reliability to your signage and ensures they can always be seen.

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