WH Certified Warnock Hersey 90 Mins Fire Rated Steel Door with UL Listing for Commercial Building Metal Emergency Exit Doors USA

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Application: Supermarket, Warehouse, Home Office, Office Building, Hospital

Door Material: Steel

Opening Method: Side Opening

Feature: fire prevention

Main Material: Steel

Material: steel

Door Type: Steel

Design Style: Minimalist

Surface Finishing: Finished

After-sale Service: N/A

Warranty: 3 Years

Project Solution Capability: N/A

Screen Netting Material: Stainless Steel

Position: Interior

Place of Origin: Chongqing, China

Brand Name: Mexin

Type: Fire Rated Door

Open Style: Swing

Door Leaf: 45mm

Certification Standard: WH (Warnock Hersey), UL Listed

Fire Resistance Time: 30/60/90/120/180 Minutes

Hardware Components: Mortise Lock, Door Closer, Panic Bar

Selling Units: Single item

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UL Listed & Certified: Fully compliant with North American fire codes (NFPA 80/ASTM E2074), ensuring seamless local inspection approval and guaranteed life safety.

Maximum 3-Hour Fire Rating: Versatile protection range from 20 minutes to a full 180 minutes (3 hours), meeting the most stringent industrial and commercial fire requirements.

Heavy-Duty Structural Integrity: 45mm reinforced door leaf with high-performance core (Honeycomb/Mineral Wool), engineered for superior impact resistance and long-term anti-warping stability.

Advanced Project Customization: Bespoke architectural solutions including custom sizing, fire-rated vision panels, and integrated louvers for specialized ventilation needs.