Wholesale Commercial Double Style Price Metal Doors Exterior Steel Escape Fire Exit Us Emergency Metal Door

UL (Underwriters Laboratories) Listed fire rated steel doors are doors that have been tested and certified by UL to meet specific standards for fire resistance and safety. These doors are designed to prevent the spread of fire and smoke for a specified amount of time, usually ranging from 20 minutes to 3 hours.

• ✓ Steel Construction: Durable material providing protection against heat and smoke.
• ✓ Fire-Resistant Core: Typically made of gypsum or mineral wool for superior insulation.
• ✓ Intumescent Seals: Expands under heat to form a barrier against fire spread.
• ✓ Self-Closing Mechanism: Automatically closes upon sensing heat or smoke.
• ✓ UL Label: Clearly indicates the fire rating and certification info.

As a leading supplier of various doors, including steel, wooden, and specialty hospital doors, our experienced team brings over 10 years of expertise in global exports. Our facility utilizes high-quality materials and advanced manufacturing techniques to ensure all products meet international standards.

Before production, we provide detailed CAD drawings to ensure every specification is met. Our fire-rated steel doors are UL listed, having passed rigorous testing for performance and safety. We are committed to precision craftsmanship and strict quality control.