| Parameter | IS 3614 (India) | NFPA 252 (USA) | NFPA 80 (USA) |
| Published by | Bureau of Indian Standards (BIS) | National Fire Protection Association (NFPA) | National Fire Protection Association (NFPA) |
| Purpose | Standard for fire-resistant door assemblies | Standard test method for fire door assemblies | Standard for installation, inspection, testing and maintenance of fire door assemblies |
| Nature of Standard | Product specification + testing requirements | Fire testing standard only | Installation and maintenance standard |
| Primary Objective | Verify fire performance and certify fire doors for India | Determine fire resistance of door assemblies | Ensure installed fire doors remain compliant throughout service life |
| Fire Test | Furnace fire test as per IS requirements | Standard furnace fire test under positive pressure | Refers to doors tested to NFPA 252 or equivalent |
| Hose Stream Test | Included for applicable ratings | Included after fire endurance test | Requires listed assemblies tested under NFPA 252/UL 10C |
| Integrity (E) | Required | Required | Requires compliant listed assemblies |
| Insulation (I) | Required for insulated fire doors (Part 2) | Temperature-rise ratings where applicable | Accepts temperature-rise classified doors where required |
| Smoke Control | Smoke seals where applicable | Not the primary purpose | Requires compliant smoke door assemblies where specified |
| Door Assembly | Door, frame, glazing, hardware tested as one assembly | Complete door assembly tested | Complete assembly must remain as listed |
| Hardware | Fire-rated hardware required | Included during testing | Listed/labeled hardware mandatory |
| Door Closing | Self-closing devices required | Evaluated during testing | Self-closing and positive latching mandatory |
| Door Frame | Fire-rated frame required | Tested with door assembly | Installation must match listing |
| Certification | BIS/ISI certification available after compliance | No product certification—only test method | No product certification—governs field installation and maintenance |
| Inspection | No mandatory annual inspection requirement | Not applicable | Annual inspection required |
| Typical Use | Mandatory for Indian projects and NBC compliance | Used by manufacturers for fire testing in North America | Used by building owners, inspectors and AHJs |
