A fire door is a specially designed door that meets specific fire-resistance standards to prevent the spread of fire and smoke within a building. It is a critical component of a building’s passive fire protection system

Fire-Resistant Construction - Fire doors are made of materials such as solid timber, steel, or composite materials, and are tested to withstand fire for a specific period, typically 30 minutes (FD30) or 60 minutes (FD60).
Certified Fire Door Assembly. A fire door includes the door leaf, frame, glazing (if applicable), intumescent seals, and hardware (such as hinges, latches, and closers), all working together as a tested system against fire.
Intumescent and Smoke Seals. These seals expand when exposed to high heat, closing any gaps around the door to prevent the passage of fire and smoke.
Appropriate Certification. Fire doors must have a certification label or plug (e.g., from BWF-CERTIFIRE or another accredited body) indicating compliance with British standards, such as BS 476 or BS EN 1634-1.
Self-Closing Mechanism. Fire doors are typically fitted with a self-closing device to ensure they automatically close after being opened, maintaining