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Steel fire door
Home> Steel fire door

Fire Resistant Steel Security Door 30-180min Fire Rating Commercial Building Fire Exit Door With UL Certification

Certified Fire-Rated Steel Doors | Factory Direct | Custom Sizes & OEM

Heavy Duty Steel Fireproof Door Anti-Theft Metal Fire Rated Door For Hotel Apartment Office Project Installation

  • Overview
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Product Description

Our steel fire doors are engineered to protect lives, property and escape routes in commercial, industrial and public buildings. Each fire-rated steel door combines a cold-rolled steel face with a non-combustible fire-resistant core and intumescent edge seals, providing certified fire resistance of 30 -180 minutes while maintaining a clean, professional appearance.

Available as single or double leaf, with glazed or solid options, our fire-resistant steel doors are precision-manufactured to meet EN 1634-1, UL 10C and GB 12955 requirements. Choose from a full range of RAL powder-coated finishes, fire-rated hardware and custom dimensions to match any opening — backed by factory-direct pricing, strict quality control and global export experience.

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Key Features

  • Certified fire resistance of 30 -180 minutes to protect escape routes and compartment walls
  • Cold-rolled steel construction (0.8–1.5 mm) with rigid fire-resistant core for strength and dimensional stability
  • Intumescent edge seals expand under heat to seal gaps and block smoke, flames and hot gases
  • Optional smoke seals and double-rebate design for smoke control and enhanced airtightness
  • Thermal and acoustic insulation options for energy efficiency and sound control
  • Anti-corrosion pre-treated surface with durable powder coating in standard or custom RAL colors
  • Fire-rated hinges, locks, closers and panic exit devices available to match project requirements
  • Custom sizes, single/double leaf, glazed or solid configurations for new build and retrofit projects

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Technical Specifications

Fire Resistance Rating

30-180 minutes (option-dependent)

Door Leaf Thickness

45mm/50mm/custom door leaf thickness

Steel Sheet Thickness

0.8 mm / 1.0 mm / 1.2 mm/1.5mm cold-rolled steel

Core Material

Galvanized steel, perlite fireproofing/rock wool

Door Frame

Galvanized / cold-rolled steel frame, single or double rebate

Sealing System

Intumescent seals + optional smoke seals (EPDM)

Standard Sizes

Single leaf up to 1000 × 2100 mm; double leaf up to 2000 × 2100 mm; custom sizes available

Finish

Powder coating, RAL color options; textured or smooth surface

Glazing Option

Fire-resistant glass up to 30–180 min rating (optional)

Hardware

Fire-rated hinges, mortise lock, door closer, panic bar (optional)

Acoustic Performance

Up to Rw 36 dB (option-dependent)

Thermal Insulation

U-value per configuration (available on request)

Compliance

EN 1634-1, UL 10C, GB 12955-2008, CE (as applicable)

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Materials & Finish

Material: premium cold-rolled steel sheets (SPCC/SECC) are cut, bent and welded into precision door leaves and frames. The cavity is filled with non-combustible fire-resistant board to deliver structural rigidity, heat insulation and fire integrity.

Finish: steel surfaces are degreased, phosphated and electrophoretically coated for corrosion resistance before a durable powder coat finish is applied in standard or custom RAL colors. Optional wood-grain or textured finishes are available to match interior design requirements.

Hardware: all hinges, locks and closers are fire-rated components tested together with the door assembly, ensuring reliable performance in a fire event.

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Assembly & Installation

Installation should be carried out by qualified professionals in accordance with the provided drawings and local fire safety regulations.

  • Check the opening dimensions and wall conditions; confirm the fire rating and door swing direction required by the project.
  • Set the steel frame into the opening, level and plumb it, then anchor securely with steel fixings or expanding bolts.
  • Fill the gap between frame and wall with fire-resistant mortar or sealant to maintain the fire compartment integrity.
  • Hang the door leaf on fire-rated hinges and adjust for even gaps and smooth operation.
  • Install locks, closers, panic bars and other hardware; verify correct latching and self-closing function.
  • Conduct final inspection: check intumescent seals are intact, gaps are within specification, and the door closes fully on its own.

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Applications

  • Commercial buildings – offices, retail stores, shopping malls and hotel corridors
  • Public facilities – hospitals, schools, libraries, theaters and government buildings
  • Industrial sites – factories, warehouses, workshops and electrical rooms
  • Escape routes – stairwell enclosures, corridors and fire escape exits
  • High-rise residential – apartment entrance doors and common area fire doors
  • Data centers & telecom rooms – fire compartmentation for critical equipment
  • Parking garages, tunnels and underground facilities
  • Kitchens, boiler rooms and storage areas requiring fire separation

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Customization

We support full customization and OEM/ODM cooperation to meet project-specific and branding requirements:

  • Custom dimensions and configurations (single / double leaf, pair-set, arched top)
  • Fire resistance rating selection from 30 to 180 minutes
  • Custom RAL colors, wood-grain and textured powder coating finishes
  • Glazed options with fire-rated glass and custom vision panel layouts
  • Hardware selection – mortise locks, panic bars, electromagnetic locks, door closers, hold-open devices
  • Branding – OEM/ODM with your logo, custom packaging and documentation
  • Project-specific documentation, drawings and certification files

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Certifications

  • EN 1634-1 fire resistance test standard (CE marked where applicable)
  • UL 10C positive pressure fire tests (US market)
  • GB 12955-2008 fire door standard (China market)
  • ISO 9001:2015 quality management system
  • Full test reports and certificates provided with each shipment

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Packing & Logistics

  • Packing: steel door leaves protected with PE foam film, corner protectors and strong waterproof cartons; frames bundled with steel strapping
  • Export wooden crate available for large or fragile orders (fumigation-free materials on request)
  • Container loading plan and loading photos provided for every shipment
  • Incoterms: FOB / CIF / CFR / DDP / DAP supported
  • Delivery port: 【Qingdao Port】

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Product Video

Recommended video content: fire test demonstration, production line tour, installation walkthrough and product features overview. Videos significantly increase dwell time and conversion on product pages.

User Reviews & Cases

Case template:

Project name: Commercial Office Building Steel Fire Door Project

• Location: Dubai, United Arab Emirates

• Scale: 980 ㎡ door area / 640 units

• Configuration: Galvanized steel fire rated door leaf + 30 min fire resistance rating + panic exit bar and stainless steel hardware

• Customer feedback: Reliable fire‑proof performance, fully complies with local UAE fire safety codes, smooth cooperation for the whole bulk order delivery.

Service

  • Pre-sales: professional engineering consultation, drawings, fire rating selection and cost estimation within 24 hours
  • Sampling: samples and AAMA/EN test reports available before mass production
  • Production: strict 3-stage QC (incoming material, in-process, pre-shipment inspection) with progress photos
  • After-sales: 12-month warranty covering manufacturing defects; spare parts support
  • Technical documentation: installation manuals, maintenance guidance and certification files provided
  • Response within 24 hours for all inquiries and after-sales issues

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FAQ

Q: What fire resistance ratings are available for your steel fire doors?

A: We offer 30-180 minute fire-rated steel doors, tested to EN 1634-1, UL 10C or GB 12955 depending on your market.

Q: Can you produce steel fire doors in custom sizes and colors?

A: Yes. Custom dimensions, RAL colors, glazed options and hardware configurations are available. Please provide your opening sizes for a precise quote.

Q: Do you support OEM/ODM orders?

A: Yes, we support OEM branding, custom packaging and documentation.

Q: What is the delivery time?

A: Standard lead time is 15-30 after deposit and drawing confirmation. Urgent orders can be arranged on request.

Q: Do you provide installation instructions and technical support?

A: Yes, each order includes installation manuals and drawings. Remote video guidance is available, and on-site installation supervision can be arranged for large projects.

Q: Can I get samples before placing a bulk order?

A: Samples are available. Sample cost will be refunded or deducted from the bulk order value once the order is confirmed.

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