Fire Rated Steel Door
Fire‑rated steel doors deliver reliable flame and smoke resistance for building safety within commercial, industrial and public‑use premises. Built with sturdy steel panels and fire‑resistant inner infill, these units sustain stable performance under high‑temperature conditions. Intumescent seals expand under heat to block smoke and flame penetration, while customizable fire ratings grant sufficient evacuation time for occupants. Single‑leaf and double‑leaf variants suit diverse opening dimensions, with adaptable surface finishes and supporting hardware for enhanced security. Robust mechanical structure extends service lifespan and satisfies mainstream building safety standards for facility operators.
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Hengbao fire rated steel door is an operable fire‑separation component. Its frame and door leaf are made of thickened galvanized steel plates with built‑in fire‑proof boards. Featuring fire resistance, thermal insulation, smoke sealing and automatic‑closing functions, it achieves 0.5‑3hours of fire integrity and thermal insulation for dual fire‑and‑smoke protection, complying with building fire‑separation requirements. It serves as an ordinary partition in daily use and stops fire and smoke spread during fire emergencies to gain time for evacuation and rescue and reduce fire losses.Custom colors, sizes and appearances are available for frames and door leaves to fit various project designs. The dense and uniform sprayed coating delivers good impact and corrosion resistance, balancing safety, practicality and architectural decorative aesthetics.