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  2. Fire door - Wikipedia

    en.wikipedia.org/wiki/Fire_door

    Fire-resistance rated door, with wire mesh glass vision panel Industrial grade fire door rated to hydrocarbon curve and blast resistance Double fire door immediately after 3-hour fire test inside a 4-hour rated Durasteel wall Double fire door after 3-hour fire test in a 4-hour Durasteel wall, during successful 45PSI (3.1 bar) hose stream test leading to a UL Listing [1]

  3. Firewall (construction) - Wikipedia

    en.wikipedia.org/wiki/Firewall_(construction)

    Firewall residential construction, separating the building into two separate residential units, and fire areasExample of a firewallused to inhibit the spread of a fire at an electrical substation. A firewallis a fire-resistant barrier used to prevent the spread of fire. Firewalls are built between or through buildings, structures, or electrical ...

  4. Vision panel - Wikipedia

    en.wikipedia.org/wiki/Vision_panel

    Vision panel. Fire-resistance rated door, with wire mesh glass vision panel. A vision panel is a small window in a door which allows people to look through without opening the door. Vision panels are sometimes in walls, generally adjacent to a door. These have implications in safety, primarily to avoid opening doors on a person coming the other ...

  5. Plenum space - Wikipedia

    en.wikipedia.org/wiki/Plenum_space

    A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems, by providing pathways for either heated/conditioned or return airflows, usually at greater than atmospheric pressure. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered ...

  6. Passive fire protection - Wikipedia

    en.wikipedia.org/wiki/Passive_fire_protection

    Passive fire protection ( PFP) is components or systems of a building or structure that slows or impedes the spread of the effects of fire or smoke without system activation, and usually without movement. [ 1] Examples of passive systems include floor-ceilings and roofs, fire doors, windows, and wall assemblies, fire-resistant coatings, and ...

  7. Fire damper - Wikipedia

    en.wikipedia.org/wiki/Fire_damper

    Fire damper. Interior of German mechanical fire damper inside of a galvanised steel duct. Fire dampers (or fire shutters) are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent and isolate the spread of fire inside the ductwork through fire-resistance rated walls and floors. [1]

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