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IS 3614 : 2017Specification for Fire Resisting Doors

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BS EN 1634-1 · UL 10C · NFPA 80
CurrentFrequently UsedSpecificationBIMFire Safety · Fire Safety
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OverviewValues5InternationalTablesFAQ3Related

IS 3614:2017 is the Indian Standard (BIS) for fire resisting doors. This standard lays down the specifications, material requirements, and performance criteria for fire-resisting doors. It ensures that doors provide the necessary integrity and insulation to compartmentalize fires and secure safe egress routes.

Lays down requirements for the design, materials, construction, and testing of fire resisting doors for various applications.

Overview

Status
Current
Usage level
Frequently Used
Domain
Fire Safety — Fire Safety
Type
Specification
International equivalents
BS EN 1634-1:2014 (+A1:2018) · British Standards Institution (BSI) / European Committee for Standardization (CEN), UK/EUUL 10C:2016 · Underwriters Laboratories (UL), USANFPA 80:2022 · National Fire Protection Association (NFPA), USAAS 1905.1-2015 · Standards Australia, Australia
Typically used with
IS 3809NBC 2016
Also on InfraLens for IS 3614
5Key values2Tables3FAQs

BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.

Practical Notes
! Fire doors must always be fitted with functional self-closing devices; a fire door propped open is entirely ineffective.
! On-site modifications such as planing, drilling for new hardware, or cutting louvers typically void the manufacturer's fire rating certification.
! Intumescent seals are critical; ensure they are properly installed around the frame or door edges to expand and seal gaps during a fire.
Frequently referenced clauses
Cl. 4Classification based on Fire ResistanceCl. 5Materials and ConstructionCl. 6Hardware Requirements (Hinges, Locks, Closers)Cl. 7Clearances and TolerancesCl. 10Marking and Labeling
Pulled from IS 3614:2017. Browse the full clause & table index below in Tables & Referenced Sections.
steeltimberglasshardwareintumescent seals

International Equivalents

Similar International Standards
BS EN 1634-1:2014 (+A1:2018)British Standards Institution (BSI) / European Committee for Standardization (CEN), UK/EU
HighCurrent
Fire resistance and smoke control tests for door and shutter assemblies, openable windows and elements of building hardware. Part 1: Fire resistance tests for doors, shutters and openable windows.
This standard specifies the method for determining the fire resistance of door and shutter assemblies and openable windows, directly comparable to IS 3614's testing methodology and performance requirements.
UL 10C:2016Underwriters Laboratories (UL), USA
HighCurrent
Standard for Positive Pressure Fire Tests of Door Assemblies
Provides the test method for determining the fire resistance ratings of door assemblies when subjected to the standard fire test, directly comparable to the testing aspects referenced by IS 3614.
NFPA 80:2022National Fire Protection Association (NFPA), USA
MediumCurrent
Standard for Fire Doors and Other Opening Protectives
Covers requirements for the installation, inspection, testing, and maintenance of fire doors and other opening protectives, complementing IS 3614's product specification by focusing on lifecycle management.
AS 1905.1-2015Standards Australia, Australia
HighCurrent
Components for the protection of openings in fire-resistant construction - Part 1: Fire-resistant doorsets
Specifies requirements for the design, construction, and testing of fire-resistant doorsets, including materials, hardware, and classification, similar in comprehensive scope to IS 3614.
Key Differences
≠Test Furnace Pressure Regime: IS 3614 (referencing IS 3809) and EN 1634-1 typically operate with a neutral pressure plane at or above mid-height. UL 10C mandates a 'positive pressure' furnace with the neutral pressure plane at 1m (40 inches) above the sill, leading to higher positive pressure at the bottom of the door and potentially different leakage characteristics.
≠Hose Stream Test: UL 10C and NFPA 80 (referencing UL 10C) require a hose stream test for fire door assemblies rated 60 minutes or more, immediately following the fire exposure test, to assess structural integrity. This test is generally not a mandatory requirement for all fire doors under IS 3614 or EN 1634-1.
≠Classification System and Criteria: IS 3614 classifies doors based on fire resistance rating (e.g., 30, 60, 120 minutes) often implying integrity and insulation. European standards (EN 13501-2) use specific criteria like E (Integrity), I (Insulation), S (Smoke Control), C (Self-closing), and W (Radiation), allowing for more granular performance classification.
≠Hardware Certification: NFPA 80 and UL standards place a strong emphasis on individually listed and labeled hardware (hinges, locks, closers) that are factory-tested and approved for specific fire door assemblies. While IS 3614 specifies performance requirements for hardware, the prescriptive level of independent third-party certification for individual components might be less stringent compared to the US system.
≠Scope and Focus: IS 3614 primarily functions as a product specification for fire-resisting doors. NFPA 80 is broader, covering the full lifecycle of fire door assemblies, including their proper installation, field inspection, testing, and maintenance, which falls outside the primary scope of IS 3614.
Key Similarities
≈Core Objective: All standards share the fundamental objective of defining and assessing the ability of door assemblies to resist the passage of flame, smoke, and heat, thereby contributing to compartmentalization and protection of life and property during a fire.
≈Fundamental Performance Criteria: Integrity (prevention of flame and hot gas passage) and Insulation (limitation of heat transfer to the unexposed side) are universal core performance requirements assessed during fire resistance tests across all these standards.
≈Standard Fire Exposure: All rely on exposure to a standardized time-temperature curve (e.g., ISO 834, ASTM E119, IS 3809) within a furnace to simulate realistic fire conditions during the testing of fire door assemblies.
≈Testing of Complete Assembly: The general principle across these standards is to test the complete doorset, including the door leaf, frame, glazing (if any), and essential hardware, as a functional unit to ensure the entire assembly performs as intended under fire conditions.
≈Self-Closing and Latching: Automatic self-closing and positive latching mechanisms are fundamental requirements for fire doors in all these standards to ensure that the door returns to a closed and secured position, fulfilling its protective function during a fire.
Parameter Comparison
ParameterIS ValueInternationalSource
Test Furnace Pressure RegimeNeutral pressure plane typically at or above mid-height (similar to ISO 834).Neutral pressure plane at 1m (40 inches) above the sill (positive pressure test).UL 10C:2016
Unexposed Face Temperature Rise Limit (Insulation)Average rise 140°C, any point 180°C above ambient.Average rise 140°C, any point 180°C above ambient (for 'I' classification).BS EN 1634-1:2014
Fire Resistance Rating Denomination (Common)Expressed in minutes (e.g., 30, 60, 120, 240 minutes).Expressed in hours or minutes (e.g., 3/4 hour, 1 hour, 1 1/2 hour, 3 hour).NFPA 80:2022 (referencing UL 10C / ASTM E152)
Hose Stream Test RequirementNot a mandatory universal requirement for all ratings.Required for fire door assemblies rated 60 minutes or more.UL 10C:2016 / NFPA 80:2022
Integrity Failure Criterion (Gauges)Cotton pad ignition and penetration by gap gauge (typically 6mm and 25mm diameter).Cotton pad ignition and penetration by gap gauges (6mm or 25mm diameter depending on test duration and specific conditions).BS EN 1634-1:2014
Self-closing Device RequirementMandatory for fire doors to ensure automatic closure and latching.Mandatory, explicitly part of 'C' classification in EN standards (e.g., EN 13501-2 C5) and generally required by NFPA 80.BS EN 1634-1:2014, NFPA 80:2022
⚠ Verify details from original standards before use

Key Values5

Quick Reference Values
standard fire ratings30, 60, 90, 120 minutes
max gap between door and frame3 mm
bottom sill clearanceMaximum 3 to 5 mm (depending on drop seal)
min steel thickness for frame1.6 mm (typical)
min steel thickness for leaf1.2 mm (typical)

Tables & Referenced Sections

Key Tables
Table 1 - Fire Resistance Ratings (Integrity and Insulation)
Table 2 - Allowable Gaps and Clearances
Key Clauses
Clause 4 - Classification based on Fire Resistance
Clause 5 - Materials and Construction
Clause 6 - Hardware Requirements (Hinges, Locks, Closers)
Clause 7 - Clearances and Tolerances
Clause 10 - Marking and Labeling

Related Resources on InfraLens

Cross-Referenced Codes
IS 3809:1979Fire resistance test for structures
→
NBC 2016:2016National Building Code of India 2016 - Fire a...
→

Frequently Asked Questions3

What are the core performance criteria for a fire door?+
Integrity (preventing the passage of flames and hot gases) and Insulation (limiting the temperature rise on the unexposed side).
Are door closers mandatory on fire doors?+
Yes, all fire doors must be self-closing and self-latching to maintain compartmentalization during an emergency.
Can standard glass be used in a fire door?+
No, any vision panel must use fire-rated wire-cast or clear fire-resisting glass that matches the door's fire rating.

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