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Factory Price UL Standard Fireproof Stainless Steel Butt Bedroom Door Hinge-DDSS003-FR

A stainless steel door hinge for fire-rated doors is a kind of hinge made especially to be used on doors that are rated for fire resistance.
  • DDSS003-FR

  • D&D Hardware

  • UL 10C fire rated 3 hours

  • Stainless Steel

  • silver

  • hotel, apartment, commercial, office

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Finish:
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Fire Door Hinges

                                                     UL Certificate, in total 21 Sizes as follwing
4.0"x3.0"x3.0mm 4.0"x3.5"x3.0mm 4.0"x4.0"x3.0mm
4.5"x4.0"x3.0mm 4.0"x4.0"x3.4mm 4.5"x4.0"x4.6mm
4.5"x4.5"x3.0mm 4.5"x4.0"x3.4mm 4.5"x4.5"x4.6mm
5.0"x3.0"x3.0mm 4.5"x4.5"x3.4mm 5.0"x4.0"x4.6mm
5.0"x3.5"x3.0mm

5.0"x4.0"x3.4mm

5.0"x4.5"x4.6mm
5.0"x4.0"x3.0mm 5.0"x4.5"x3.4mm 5.0"x5.0"x4.6mm
5.0"x4.0"x4.8mm 5.0"x4.5"x4.8mm 5.0"x5.0"x4.8mm


hinge finish

Model
DDSS003-FR
Certification
UL Listed R38013, UL 10C Fire Rated 3 Hours
Material
Stainless Steel
Size
4"x3"x3.0mm
4"x3.5"x3.0mm
4"x4"x3.0mm
4"x4"x3.4mm
Finish
SSS,PSS,PVD,AB,MB,ORB,CP
MOQ
500 pieces
Package
White Box or Color Box
Production lead time
30-35 days
Shipping Port
Jiangmen
Shenzhen
Guangzhou

Why Should UL Fire-Resistant Hinges Be Used in the Bedroom?

When we think about fire safety in the home, we often focus on smoke detectors, fire extinguishers, and escape plans. However, passive fire protection—the physical barriers that slow fire spread—is equally critical. Bedrooms, where people sleep and are most vulnerable, require special consideration. Here is why UL fire-resistant hinges should be a standard feature in every bedroom door.


1. Critical Protection During Sleeping Hours

Most residential fires occur at night when occupants are asleep. In a fire, every second counts. A bedroom door equipped with UL fire-resistant hinges acts as a vital barrier, buying precious minutes for detection, awakening, and escape. The hinges ensure the door remains closed and intact, preventing flames and toxic smoke from entering the sleeping area.


2. Maintaining Compartmentalization

Fire spreads rapidly through open doorways. A properly functioning bedroom door with UL-rated hinges maintains the integrity of the room as a fire compartment. This containment slows fire progression, giving firefighters more time to respond and potentially saving adjacent rooms and the rest of the structure from total loss.


3. Protecting Occupants Unable to Self-Escape

Bedrooms may house the most vulnerable family members: young children, elderly parents, individuals with mobility challenges, or those with medical conditions. For these occupants, a quick escape may not be possible. UL fire-resistant hinges ensure that the door remains a protective shield until help arrives, rather than failing and exposing them to deadly smoke and heat.


4. Smoke Containment Saves Lives

Statistics consistently show that smoke inhalation, not flames, is the leading cause of fire-related deaths. Toxic smoke spreads faster than fire and can incapacitate a sleeping person within minutes. UL-rated hinges maintain the door's seal, preventing smoke infiltration and preserving a survivable environment within the bedroom longer.


5. Compliance with Modern Building Codes

Increasingly, residential building codes are adopting stricter fire safety requirements. Installing UL fire-resistant hinges demonstrates a commitment to meeting or exceeding these safety standards, whether for new construction, renovations, or simply upgrading home safety.


6. Peace of Mind for Families

Beyond codes and statistics, there is an intangible but invaluable benefit: peace of mind. Knowing that every bedroom in your home is equipped with hardware designed to protect loved ones during the unthinkable provides a sense of security that no ordinary hinge can offer.


The Bottom Line

A bedroom door is only as strong as its weakest component. Standard hinges can warp, melt, or fail under intense heat, rendering the door useless as a fire barrier. UL fire-resistant hinges are engineered to perform precisely when failure is not an option. They are a small investment with the potential to make an immeasurable difference in an emergency.

For homeowners, builders, and specifiers: When safety is the priority, UL fire-resistant hinges in every bedroom are not just recommended—they are essential.


Please note: Our certificates will be updated. To view the latest version of the certificate, please click on this link.

UL Door Hinge UL Door Hinge

Contact us:

David Jian

Tel / WhatsApp / Wechat:+86-13929037292

Email:sales@danddhardware.com


TEL:+86-750-3856396

FAX: +86-750-3856395

Address: 12th Floor, Building 2, No.898, KeChuang Technical Zone,Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China 529000


UL Listed Door Hinge

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