commercial fire rated doors
Commercial fire rated doors are essential safety installations designed to prevent the spread of fire and smoke in buildings. These specialized doors are engineered to withstand extreme temperatures for specified periods, typically ranging from 20 minutes to 4 hours. They are constructed using fire-resistant materials, including steel, gypsum, and specialized glass, combined with intumescent seals that expand when exposed to heat. The doors feature self-closing mechanisms and positive latching hardware to ensure they remain closed during fire emergencies. Modern fire rated doors incorporate advanced technology such as electromagnetic hold-open devices that automatically release upon fire alarm activation. These doors are crucial components in a building's passive fire protection system, creating fire compartments that contain flames and smoke while providing safe evacuation routes. They are installed in various locations, including stairwells, corridors, and between different building sections. Each door undergoes rigorous testing to meet strict safety standards and building codes, ensuring reliable performance during emergencies. The doors also feature clear identification labels indicating their fire rating and certification details, making them easily recognizable for inspection and maintenance purposes.