180-Minute UL-Listed High-Grade Fire Door – Certified Fire Safety Door for Commercial & Industrial Use

180-Minute UL-Listed High-Grade Fire Door 鈥?Certified Fire Safety Door for Commercial & Industrial Use

At the top end of fire door performance, this 180-minute UL-listed assembly provides three full hours of fire and smoke containment for commercial and industrial applications where maximum evacuation time is required. The heavy-gauge steel clad construction with mineral core and UL 10C listing represents the highest standard of passive fire protection available in a standard swing-door format.

Key Features

• 180-Minute UL Listing: UL 10C positive-pressure fire test 鈥?3-hour rating for maximum burn-through protection
• Heavy-Gauge Steel: 16-gauge (1.5mm) steel face sheets with fully welded perimeter edge channels
• High-Density Core: Calcium silicate or high-density mineral wool fire core 鈥?low thermal conductivity
• Full Intumescent System: Perimeter seals + astragal (double doors) + threshold seal for smoke containment
• Industrial Hardware Prep: Drilled and tapped for heavy-duty closer, rim panic device, and mortise cylinder

Technical Specifications

• Material: heavy-duty steel 鈥?16-gauge face, 14-gauge frame (G90 galvanized)
• Fire Rating: 180 minutes (UL 10C, UBC 7-2, NFPA 252, CE)
• Finish: Powder-coated primer (field-paintable) or factory color finish
• Max Sizes: 4′ x 8′ single leaf, 8′ x 8′ double leaf 鈥?larger sizes by special order
• Warranty: 5-year structural, lifetime fire rating certification

Applications

• Industrial fire wall and fire barrier openings
• Data center and electrical room protection
• Chemical and hazmat storage facility doors
• Commercial building stairwell and elevator lobby enclosures

Pricing: Starting at USD (FOB Guangzhou)
Lead Time: 15-20 business days for standard sizes
Includes: Fire door slab, frame, full intumescent seal system, UL certification documentation, installation guide