Fire resistance doors, crucial for passive fire protection, impede fire, smoke, and heat propagation in buildings. They possess specific fire ratings, indicating their endurance under fire exposure. Constructed from fire-resistant materials like steel or gypsum, they often feature intumescent seals that expand to seal gaps during heat exposure. Some include fire-rated glass for visibility. Certification, such as from UL or BS, ensures adherence to standards. Professional installation is vital for their efficacy and compliance with regulations.
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