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50+ Years
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Emergency
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Innovative Fire & Security Door Solutions
Founded in 1962, Won-Door Corporation has pioneered innovative solutions for fire, security, and sound-rated door systems. Our expertise lies in developing horizontal sliding accordion doors that combine safety, functionality, and architectural elegance. With over six decades of experience, we have become a global leader, serving diverse industries such as education, healthcare, and commercial construction. Our commitment to rigorous testing and compliance with international standards ensures our products meet the highest safety and performance benchmarks.

Backed by a team of engineers and industry professionals, we provide tailored solutions that address complex design challenges while prioritizing occupant safety and code compliance. Our acquisition by Overhead Door Corporation in 2021 has further strengthened our global reach and R&D capabilities, enabling us to deliver cutting-edge innovations to architects, contractors, and building owners worldwide.
Services
FireGuard Doors SteelGuard Doors DuraSound Partitions Moveable FireWall Access Control Integration
Details
  • Year established: 1962
Highlights and features
  • We have over 60 years of experience in fire and security door innovation.
  • Our patented microprocessor control systems ensure reliable door operation.
  • Products are UL-listed for fire ratings up to 180 minutes.
  • Global presence with installations across six continents.
  • Comprehensive maintenance contracts ensure long-term product performance.
Associations and certifications
  • Underwriters Laboratories (UL)
Services
FireGuard Doors
Won-Door FireGuard provides fire-rated accordion doors that offer code-compliant protection while enabling expansive architectural designs. These doors deploy automatically during emergencies, ensuring safety without compromising aesthetics. Ideal for corridors, elevator lobbies, and large openings, they are UL-listed for up to 180 minutes of fire resistance.
SteelGuard Doors
Won-Door SteelGuard delivers rapid-closing security barriers that lock down facilities in seconds. Combining fire ratings up to 180 minutes with advanced access control, these doors protect against unauthorized entry while maintaining egress compliance. Commonly used in schools and high-security buildings, they integrate with building management systems for seamless operation.
DuraSound Partitions
Won-Door DuraSound partitions provide STC 48-rated sound attenuation for multi-use spaces. These accordion-style partitions enable flexible room configurations in theaters, schools, and offices. Durable dual-wall steel panels ensure longevity, while a track-mounted system allows smooth manual or motorized operation without floor obstructions.
Moveable FireWall
Won-Door Moveable FireWall (MFW) offers ASTM E119-compliant solutions for large openings exceeding standard code limits. Designed for curved or straight applications, these doors provide up to 120 minutes of fire resistance. They are ideal for commercial spaces requiring expansive fire-rated barriers without structural compromises.
Access Control Integration
Won-Door integrates access control features with fire-rated doors, enabling dual functionality. Systems support electromagnetic locks, key switches, and remote monitoring while adhering to IBC egress requirements. This solution enhances security in educational, healthcare, and corporate environments without sacrificing safety.
People
Jay Smart
Founder
Jay Smart founded Won-Door in 1962 after decades of experience in building specialty products. His innovation in folding partitions led to the development of the first accordion-style fire door, revolutionizing fire safety and architectural design.
Ron Smart
Former President
Ron Smart expanded Won-Door's global reach and product testing capabilities. Under his leadership, the company secured critical code approvals and established a U.S. distribution network, driving widespread adoption of horizontal sliding fire doors.
Scott Smart
President
Scott Smart, a mechanical engineering graduate, advanced Won-Door's FireGuard CS door technology. As President since 2016, he has focused on innovation and global market expansion, leveraging Overhead Door Corporation's resources post-acquisition in 2021.
Questions
What makes Won-Door's fire doors different from traditional swinging doors?
Won-Door's horizontal sliding accordion doors provide wider openings, seamless integration with architectural designs, and faster deployment during emergencies compared to traditional swinging doors.
Can Won-Door products be customized for unique architectural designs?
Yes, Won-Door offers curved configurations, custom radii, and motorized options to accommodate complex architectural requirements while maintaining fire and security ratings.
Are Won-Door products compliant with international building codes?
Won-Door products meet UL, ASTM E119, and NFPA 101 standards, ensuring compliance with global fire and safety regulations for commercial and residential applications.
How does Won-Door support maintenance and service after installation?
Won-Door provides annual maintenance contracts, a 12-point inspection protocol, and a dedicated service team to ensure long-term reliability and code compliance of all installed systems.
Can Won-Door security doors integrate with existing building management systems?
Yes, Won-Door SteelGuard doors feature advanced electronics that integrate with security systems for remote monitoring, access control, and emergency lockdown capabilities.