UL (Underwriters Laboratories) Listed fire rated steel doors are tested and certified to meet specific standards for fire resistance and safety. Designed to prevent the spread of fire and smoke for up to 3 hours, these doors are essential for commercial and industrial safety.
Key Features:
- Steel Construction: Provides superior durability and protection against heat and smoke.
- Fire-Resistant Core: Filled with materials like gypsum or mineral wool for insulation.
- Intumescent Seals: Expand under heat to block smoke and fire passage.
- Automatic Protection: Features self-closing and positive latching mechanisms.