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Fire Doors  


 

 

Fire Doors
Fire resisting, means that the construction is designated as capable of resisting the passage of flame and smoke, and providing insulation as defined in under the prescribed condition of test appropriate to such construction in accordance with the current British Standard 476.

 

Fire Door Frame
Door frames to be single / double rebate profile manufactured from 16 gauge galvanized steel, profile to have bending radius of 1.4 mm supplied in assembled form ready to install at site.

Fire Door Shutter
Door Shutter in 46/65 mm thick manufactured from two 18 gauge galvanized steel sheets lock seam jointed at stile edges to form a double skin fully flush shell. Infill of Properitory insulation material to be provided for structural rigidity & additional reinforcements for all hardware fixtures as required & sound Insulation with one coat of fire resistant primer.

 

Area Where Fire Doors (Typically) Required
All doors to staircases from corridors or rooms, cross corridors partition door, all doors to laboratories, workshops, storerooms, plant rooms, services ducts, kitchen & tea points and to defined fire compartment.

 

All Fire-Resisting Doors Should Be
Close fitting to the frame with a maximum gap of 5 mm, but 3 mm is the accepted working gap and hung by a minimum of 1½ pairs of all metal hinges with a melting point of not less than 800°C ( both nylon and nylon bushed hinges are unacceptable. Fire door fitted with self-closing device (not normally a perko type) capable of closing the door tight against the stop, overcoming the resistance of any latch or lock provided. All Fire doors must be fitted with ‘cold smoke seal/brushes

 

Intumescent materials

The modern solution to this problem relies on the use of intumescent material applied or set into the edge of fire door or fire door frame. Intumescenmt material expands at around 100°C to several times of its original size and fill the gap between fire door and frame.

Download Projects:

 

Fire Doors_ 02 Hr fire Rating _ LLOyD Insulation India Ltd.



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