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Steel Fire Door Systems, product shot

Fire Doors

Steel Fire Door Systems

Single and double leaf fire-rated steel doors for compartmentalisation of fire and smoke. Tested to 120-minute integrity and stability.

Fire DoorIS 3614:2021NBCS 2026
Orientation
Single / Double Leaf
Integrity
Up to 120 min
Insulation
30 min (exit doors)
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How it works

Compartment separation

Steel fire doorsets close openings in fire-resisting walls so flame and hot gases cannot pass freely between compartments - supporting exit protection and progressive evacuation strategies under NBCS 2026 Part F.

FIG. FD - FIRE DOOR / COMPARTMENT PLANIS 3614 / EN 1634-1COMPARTMENT AExposed / fire sideSWINGCOMPARTMENT BProtected sideFIRE DOORE - IntegrityFlame / hot gas sealI - InsulationFar-face temp limitRating - up to 120 minStability + integrity + insulationSCHEMATIC - NOT TO SCALE
Shutter0.8–1.2 mm steel
Frame1.2–1.6 mm steel
InfillCeramic wool / Rockwool
Leaf thickness46 mm
IntegrityUp to 120 minutes
Insulation30 min (exit doors)
StandardIS 3614:2021
CodeNBCS 2026 Part F
TestingCBRI / NABL
MarkingTested to IS 3614:2021; licence number on request
FinishPowder coated
ConfigurationSingle / double leaf

• Specs

Specification

Shutter
0.8–1.2 mm
Frame
1.2–1.6 mm
Infill
Ceramic wool / Rockwool
Thickness
46 mm
Rating
Up to 120 min

Customisation

Manufactured to design size. Vision panels available for commercial applications. Hardware supplied as specified by the customer. Six standard colours in stock; custom colours available for large-volume orders.

• Compliance

NBCS 2026, Part F

Fire and Life Safety clauses that drive door specification.

On mandatory exit protection

Part F, Clause 2.22, Note 2

“Fire doors in exits should have fire rating as required in this Part to meet the requirement of integrity and stability; and the minimum insulation criteria should be 30 min.”

On firefighting shafts

Part F, Clause 2.24

“An enclosed shaft having a protected area of 120 min fire resistance rating comprising a protected lobby, staircase, and fireman's lift... The firefighting shaft should be equipped with 120 min fire doors.”

On vertical openings and compartmentation

Part F, Clause 3.5.4.6

“Every vertical opening between the floors of a building should be suitably enclosed or protected, as necessary, to provide reasonable safety to the occupants... and limitation of damage to the building and its contents.”

View full NBCS 2026 compliance table

Need a specification for your project?

Our technical team can help with product selection, hardware configuration and installation coordination.

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