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Steel Fire Door Materials and Structure for Construction Projects

　Published on: 2026-05-13

A steel fire door is made up of several key components:


  • Steel door     leaf


  •  Fire-resistant core material (perlite board or rock wool)

  • Steel frame
  • Fire seals

  • Hardware (locks, hinges, closers)


Each component is designed to provide durability and fire resistance for construction projects.

Looking for reliable fire rated door solutions?


We are a professional manufacturer in China, offering:

✔ Steel fire rated doors (30/60/90 min)

✔ OEM & custom solutions

✔ Factory direct pricing

✔ Fast delivery


Contact us now for your project!+86 13924671020


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