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How Fire Doors Save Lives

Learn How Fire Doors Save Lives

Fire doors are a key defence mechanism against the spread of fires. They are commonly found in public buildings such as schools, hotels and offices and residential flats. A properly installed fire door will contain a fire for at least 30 minutes allowing invaluable time for those in the building to escape from the premises and out of danger.

The video below shows a demonstration testing out the defence of a properly installed fire door versus one that doesn’t have the appropriate fire-rated security installed.

 

8 Remarkable Moments During the Test

3 minutes - On the properly secured fire door, the intumescent seals in the glazed areas of the door begin to expand. The letterplate seal and intumescent seals also expand to protect the door.

After 3 minutes the intumescent activates

4 minutes - The unprotected door doesn’t have intumescent seals and allows smoke to seep through the cracks around the door.

After 4 minutes the intumescent activates

4 mins 30 secs - Fire breaks through the cracks around the unprotected door.

After 4.5 minutes the intumescent activates

9 minutes - The architrave begins to fall away, and the fire begins to attack the frame and the door.

After 9 minutes the intumescent activates

9mins 30 secs - Fire breaks through the fixed panel and begins to burn the wall.

After 9.5 minutes the intumescent activates

17 minutes - The letterplate melts and falls out of the door.

After 17 minutes the intumescent activates

27 minutes - The hinges become detached on the door without intumescent seals and it falls towards the fire.

After 27 minutes the intumescent activates

30 minutes - The fire secure door fitted with intumescent strips is still standing and the fire hasn’t broken through.

After 30 minutes the intumescent activates

 

To be prepared for the event of a fire; it is always best to regularly maintain and check your fire doors. Make sure the products installed on the door are fire certified, ensure that gaps around the door are less than 4mm, check intumescent seals for damage, hinges are in working order and make sure that the door closes properly. If you have doubts, we recommend replacing anything that looks damaged or worn.

Duffells is supporting Fire Door Safety Week

Find out about the  5 Step Fire Door Check BlogREAD MORE Learn more and read up our blog post on 2018 Fire Related Incident StatisticsREAD MORE

Tell us about your experience when installing and checking that fire doors are properly installed.

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