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Protective helmets are put through their paces every day: their role is to absorb impacts. However, they cannot perform their function optimally if the helmet’s structure is not in perfect condition. Romain Vernède, product manager at Delta Plus, explains what to look out for and when a helmet absolutely must be replaced.
Protective helmets are put through their paces every day: their role is to absorb impacts. However, they cannot perform their function optimally if the helmet’s structure is not in perfect condition. Romain Vernède, product manager at Delta Plus, explains what to look out for and when a helmet absolutely must be replaced.
Safety tips
Update 04.05.26
Romain Vernède: “You should indeed regularly inspect the main components of your safety helmet, in particular:
Look for cracks, splits or dents. A helmet is designed to absorb impact by deforming: with every impact, its structure may be compromised.
The EN 397 standard states that a helmet that has been subjected to an impact must be replaced. Even a micro-crack in the plastic can be enough to compromise its impact-absorbing capacity.
As for dielectric helmets, if they are struck and the material is compressed in one area or there is a crack, then it can no longer be guaranteed that they will provide perfect electrical insulation.
That is, all the internal components used to keep the helmet in place on the head.
Check that they are in good condition:
Also check the plastic loops.
This is the headband located at the forehead, which absorbs sweat and improves the wearer’s comfort, along with all comfort features. Make sure they are in place.
Check that it is not torn or frayed, that its locking mechanism is working properly and that it is securely attached to the helmet.
Such as a visor or ear defenders. Ensure they are securely attached to the helmet.
Romain Vernède: “Actually, no: all helmets, whether they cost €5 or €100, offer the same level of impact protection, as they meet the safety requirements set out in the EN 397 standard.”
What sets high-end models apart are additional features, such as resistance to:
Added to this are criteria relating to comfort and practicality: adjustable straps, padding, lightness or design.
Lifespan can also vary depending on the material: under optimal conditions of use, ABS helmets have a lifespan of 7 years. Those made of polypropylene or high-density polyethylene last 5 years. But in the event of an impact, all must be replaced.”
Romain Vernède: “Helmets are sometimes neglected. Some people believe they remain well protected despite a crack or discolouration.
But when it comes to safety, the rule is: ‘If in doubt, there is no doubt—it must be replaced’.
Delaying this step means taking the risk of putting your life in danger. Remember that a blow to the head can have serious consequences.”
Romain Vernède :
In short: treat it as you’d like to be treated!”
Don’t let a worn-out helmet put your safety at risk: discover the full range of protective helmets.
To take it a step further, Delta Plus also supports you with the annual inspection of your PPE: in our article, we detail the steps to follow with a little help from our NFC app!
Does a helmet need to be replaced after an impact or a fall?
Yes, a helmet that has suffered a significant impact must be replaced, even if it does not appear to be damaged on the outside.
How can I find the date of manufacture or expiry of a safety helmet?
The date of manufacture is usually indicated inside the helmet, on a label or engraved into the shell
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