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UL Steel Fire Doors

Steel fire doors for demanding rated openings.

Custom steel door and frame systems developed for projects that specify UL-rated opening assemblies, with the leaf, frame, glazing, seals, and hardware coordinated together.

Discuss this system
Three representative steel fire door configurations from the Haotian catalog

Representative designs

A starting point, not a limit.

These catalog designs show the character of the range. Dimensions, construction, finishes, and hardware remain configurable.

Gray steel fire door with a rectangular vision panel and door closer

Clear identification

Single Vision

A compact single-leaf configuration with coordinated glazing, closer, lockset, frame, and perimeter sealing.

  • Vision panel options
  • Closer preparation
  • Project-selected finish
Green steel fire doors shown in single and paired sizes

Flexible schedules

Single or Paired

A steel system that can be scheduled across different opening widths while retaining a consistent architectural finish.

  • Multiple leaf formats
  • Coordinated frames
  • Hardware packages
Beige paired steel fire doors with overhead closers

Wider circulation

Paired Opening

Paired leaves for wider circulation routes, coordinated with meeting stiles, closers, selectors, seals, and required hardware.

  • Equal or unequal pairs
  • Meeting-stile coordination
  • Panic hardware available

Configurations

Compose the opening.

Made to specification

What we configure.

Leaf & frame
Galvanized or cold-rolled steel construction configured to the approved opening
Core
Fire-resistant core selected for the required assembly and destination market
Hardware
Closers, hinges, locks, panic devices, coordinators, bolts, and seals as specified
Finish
Powder coat, decorative transfer, or project-approved coating system
Glazing
Rated vision panels and glazing kits where required by the opening schedule
Documentation
Label, rating, test standard, and hardware scope reviewed before quotation

Technical noteUL listing, fire rating, label, wall condition, glazing, and hardware requirements vary by market and opening. Final compliance scope is confirmed against the project schedule before production.