how does a fire door work?
Fire doors, designed to trap flames and smoke while allowing occupants the opportunity to escape, are typically installed within compartmental buildings for the purpose of containing unintentional fires within affected areas. This type of Passive Fire Protection system (PFP) is constructed from materials that are capable of resisting flames and heat as well as stopping smoke from dissipating from one building space into another. Self-closing mechanisms allow fire doors, once opened, to slam shut in order to minimize exposure time during escape procedures that could allow a blaze to spread to other areas of the building.
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