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How much does a fire door weigh?

If you are selecting a fire door closer or a fire door retainer you need to know the weight of a fire door, as this determines the 'power size' of your door closer or retainer. Not easily done when the fire door is already hung or if you have not even bought a fire door yet.

Please note: power size EN3 is the minimum required for fire doors that must be fitted with an automatic door closer; EN1 and EN2 are not actually suitable for use on fire doors in accordance with EN 1154.

Here is a simple calculator to work out the weight of a fire door:

Please note: this calculator is only precise for fire doors sold by Safelincs.


(doc:511 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.


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