UL Panic Bar for Commercial Exit Doors

✔ UL 10C · 3-Hour Fire Rated                              ✔ UL305 Panic Hardware                               ✔ ISO 9001 Factory

The Complete Specifier's Guide — From UL Certification to Code-Compliant Performance. Trusted by fire-rated metal door manufacturers across North America and global markets.

Table of Contents

1.What Is a UL-Listed Panic Bar?                                                                                                      6.D&D Hardware UL Panic Bar Product Range

2.UL 10C Fire Exit Hardware — 3-Hour Fire Rating (File No. R40486)                               7.Complete Door Hardware Solutions

3.UL305 Panic Hardware — Mechanical Performance (File No. SA45817)                     8.Application Guide

4.UL Listed vs. Non-Listed: A Critical Comparison                                                                    9.Why Specify D&D Hardware?

5.Building Code Requirements: IBC, NFPA 80 & Life Safety Code                                      10.Frequently Asked Questions

In commercial construction across North America and markets adhering to International Building Code (IBC) and NFPA 80 standards, the UL Panic Bar is the definitive life-safety device for emergency exit doors. When a building fire occurs, the panic bar must perform flawlessly — allowing immediate egress while simultaneously maintaining the fire door's ability to contain flames and smoke. A UL listing is the only independent verification that a panic bar can meet both demands.

For fire-rated metal door manufacturers, architects, contractors, and facility managers, understanding the two critical UL certifications for panic hardware — UL 10C and UL305 — is essential to specifying hardware that protects lives, satisfies building inspectors, and withstands the rigors of commercial use.

                                                                                                                                                                                                                                                              

  1. What Is a UL-Listed Panic Bar?

Underwriters Laboratories (UL) is a globally recognized, independent safety science organization with over a century of testing history. A UL-listed panic bar is a panic exit device that has been submitted to UL for rigorous, third-party testing and has successfully met all applicable performance requirements. The UL listing is not self-declared — it is earned through independent laboratory evaluation and is subject to ongoing factory inspections to ensure continued compliance.

Unlike a standard push bar or lever handle, a panic bar features a horizontal actuating bar spanning at least half the door width. When pushed — even by a person with no prior knowledge of the mechanism — the bar immediately releases the latch and allows the door to open outward, preventing crowd crush and ensuring rapid evacuation.

Key Insight for Specifiers: A UL listing on a panic bar is not merely a quality mark — it is a safety certification that verifies the device has been independently tested for fire resistance, mechanical operability under extreme stress, and structural integrity as part of a complete fire door assembly. It is the only certification accepted by most Authorities Having Jurisdiction (AHJ) for commercial fire door applications in North America.

                                                                                                                                                                                                                                                                           

  2. UL 10C Fire Exit Hardware — 3-Hour Fire Rating

UL 10C — formally titled "Standard for Positive Pressure Fire Tests of Door Assemblies" — is the most rigorous fire test standard for door hardware in North America. It is more demanding than earlier fire tests because it simulates the positive pressure differential that occurs during a real building fire, where hot gases actively push against the door from the fire side.

The UL 10C Test Protocol

Fire Rating Duration Guide

Fire Rating	Typical Application	Code Reference	D&D Hardware
90 Minutes	Corridor doors, office partitions	IBC Table 716.1(2)	✔ Covered
2 Hours (120 min)	Stairwell enclosures, exit passageways	IBC Section 1023.4	✔ Covered
3 Hours (180 min)	Fire barriers, high-hazard occupancy	IBC Section 707, NFPA 80	✔ Certified (R40486)

                                                                                                                                                                                                                                                     

 3. UL305 Panic Hardware — Mechanical Performance

While UL 10C addresses fire safety performance, UL305 — "Standard for Panic Hardware" — evaluates the mechanical performance, durability, and operational characteristics of the panic device itself. These two certifications are complementary: UL 10C ensures the hardware survives a fire, while UL305 ensures it functions reliably throughout its service life.

D&D Hardware's UL305-certified panic hardware (File No. SA45817) has been independently tested and verified across all mechanical performance requirements:

• •Actuating Bar Span: Spans at least half the door leaf width — activatable from any approach angle.

• •Operational Force: Activation force ≤ 15 lbs (67 N) — accessible for elderly, children, and people with disabilities, consistent with ADA requirements.

• •Cycle Durability: Repeated activation cycles verify long-term mechanical reliability in high-traffic commercial environments.

• •Latch Retraction & Extension: Latch bolt retracts fully on activation and extends fully on release, maintaining door security.

• •Structural Integrity Under Load: Withstands specified impact and load forces simulating crowd evacuation conditions.

• •Low Temperature Performance: Operates correctly after cold exposure — reliable in unheated stairwells and cold climates.

D&D Hardware UL305 Certification: Our panic hardware is certified under UL305, File No. SA45817. This file number can be independently verified on the UL Product iQ database (iq.ul.com), providing complete transparency and confidence for building inspectors and project owners.

                                                                                                                                                                                                                                         

4. UL Listed vs. Non-Listed Panic Bars: A Critical Comparison

Feature	D&D Hardware UL-Listed Panic Bar	Non-UL Panic Bar
Fire Testing	✔ UL 10C independently certified (3-hour)	✘ No independent fire verification
Mechanical Testing	✔ UL305 independently certified	✘ No independent mechanical verification
Building Code Acceptance	✔ Accepted under IBC, NFPA 80, LSC	✘ Not permitted on fire-rated openings
AHJ Inspection	✔ Passes Authority Having Jurisdiction review	✘ May fail; costly replacement required
Fire Door Assembly	✔ Tested as part of complete fire door assembly	✘ May invalidate fire door certification
Liability & Insurance	✔ Documented certification reduces liability	✘ Full liability risk in case of failure
Material Standard	✔ SUS304 stainless steel — high-strength	✘ Material quality unverified
Long-Term Value	✔ Durable, low-maintenance service life	✘ Higher total cost of ownership

                                                                                                                                                                                                                            

5. Building Code Requirements: IBC, NFPA 80 & Life Safety Code

International Building Code (IBC)

IBC Section 1010.1.10 mandates panic hardware on doors serving assembly occupancies with an occupant load exceeding 50 persons, as well as on doors in Group H (high-hazard) occupancies. The IBC also requires that hardware on fire-rated door assemblies be listed and labeled for the specific fire rating of the door.

NFPA 80: Standard for Fire Doors and Other Opening Protectives

NFPA 80 governs the installation, inspection, testing, and maintenance of fire door assemblies. It requires that all hardware installed on fire-rated doors be listed for use with that specific fire door assembly. UL-listed fire exit hardware certified to UL 10C is the accepted standard for panic hardware on fire-rated doors under NFPA 80.

NFPA 101: Life Safety Code

NFPA 101 governs means of egress and specifies where panic hardware is required based on occupancy type and occupant load. It requires that panic hardware allow the door to be opened with a single motion, without the use of keys, special knowledge, or effort — a requirement that UL305-certified panic bars are specifically designed to meet.

                                                                                                                                                                                                                                                         

 6. D&D Hardware UL Panic Bar Product Range

Every product in our UL range carries both UL 10C (R40486) and UL305 (SA45817) certifications — engineered for seamless integration into fire-rated metal and wooden door assemblies.

                                                                                                                                                                                                                                                  

7. Complete Door Hardware Solutions

D&D Hardware delivers more than just a panic bar — we provide a fully certified, cohesive door opening system. Every component is engineered to work together, ensuring your fire door assembly meets the highest standards of safety, performance, and aesthetics.

                                                                                                                                                                                                                                    

 8. Application Guide: Where UL Panic Bars Are Required

Building Type	Typical Application	Code Mandate	D&D Advantage
Education	Assembly halls, gymnasium exits, auditoriums	IBC Section 1010.1.10	UL305 low-force; ANSI Grade 1 durability
Healthcare	Stairwell enclosures, cross-corridor fire doors	NFPA 80, NFPA 101	UL 10C 3-Hour fire rating (R40486)
Commercial Office	Stairwell egress doors, fire barrier doors	IBC, NFPA 80	Premium stainless steel; seamless integration
Retail & Assembly	Main exit doors, emergency exit routes	IBC Section 1010.1.10	High-cycle durability; anti-vandal construction
Industrial	Emergency exits, hazardous area egress	IBC Group H, NFPA 80	Heavy-duty build; UL 10C for high-hazard
Government	Court buildings, civic centers, correctional facilities	IBC, NFPA 80, local codes	Dual UL certification (10C + 305)

                                                                                                                                                                                                                                        

9. Why Specify D&D Hardware?

                                                                                                                                                                                                                             

10. Frequently Asked Questions

What is the difference between UL 10C and UL305 for panic bars?

UL 10C certifies the fire resistance of the panic bar as part of a complete fire door assembly — it verifies the hardware can survive a 3-hour positive pressure fire test. UL305 certifies the mechanical performance — it verifies the device operates correctly with appropriate force requirements and structural integrity under normal and emergency conditions. Both certifications are required for panic hardware on fire-rated commercial exit doors. D&D Hardware's panic bars carry both.