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50+ Years
experience
Emergency
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Trusted Fire, Security & Sound-Rated Door Solutions
Founded in 1962, Won-Door has pioneered innovative door systems that address complex fire safety and architectural challenges. Our journey began with Jay Smart's vision to create a folding partition that evolved into the first fire-rated horizontal sliding door. Over six decades, our commitment to engineering excellence and code compliance has redefined industry standards. Our patented technologies, including the FireGuard and SteelGuard systems, combine durability with aesthetic flexibility, enabling architects to design open spaces while meeting rigorous fire and security requirements.

With global installations spanning healthcare, education, and commercial sectors, we continue to push boundaries through advanced electronics integration and ASTM-certified solutions. Our team of engineers and technicians ensures reliability through rigorous testing and annual maintenance contracts, solidifying our reputation as a trusted leader in pedestrian access solutions since 2016 under Overhead Door Corporation's ownership.
Services
FireGuard Doors SteelGuard Security Doors DuraSound Partitions Moveable FireWall Access Control Integration Preventative Maintenance Custom Design Solutions Project Management Owner Training Emergency Repairs
Details
  • Year established: 1962
Highlights and features
  • Six decades of engineering innovation since 1962
  • Pioneer of first fire-rated horizontal sliding door technology
  • UL-listed products with 60-180 minute fire ratings
  • ASTM E119 certified moveable fire wall solutions
  • Advanced electronics integration for security systems
Associations and certifications
  • Underwriters Laboratories (UL)
What people say
Dramatic spaces Smooth operation Code compliant Design flexibility Rapid deployment
Services
FireGuard Doors
Won-Door FireGuard provides horizontal sliding fire doors that offer code-compliant protection while maintaining architectural aesthetics. These UL-listed doors deploy automatically during emergencies, creating fire barriers in openings up to 200' wide. Their accordion design allows seamless integration into modern buildings while meeting 60-180 minute fire ratings.
SteelGuard Security Doors
SteelGuard security doors combine physical protection with visual deterrence through rapid-deployment accordion systems. These doors lock down facilities in 7 seconds while maintaining fire ratings up to 180 minutes. Their advanced electronics integrate with building security systems for access control and emergency override compliance.
DuraSound Partitions
DuraSound partitions deliver STC 48 sound attenuation through dual-wall steel construction. These movable partitions create flexible spaces in theaters, schools, and offices while maintaining durability. The track system enables smooth manual or motorized operation without floor tracks, supporting openings up to 28' high.
Moveable FireWall
ASTM E119-certified moveable fire walls address large openings exceeding standard code limitations. These accordion-style barriers protect curved or straight openings up to 40' wide while maintaining ADA compliance. They provide 60-120 minute fire protection for commercial and institutional buildings requiring expansive design solutions.
Access Control Integration
Won-Door integrates fire doors with access control systems through electromagnetic locks and key switches. This technology enables security lockdowns while maintaining egress compliance during fire events. Systems support remote monitoring and integration with existing building management infrastructure.
People
Jay Smart
Founder
Founded Won-Door in 1962 after developing the first folding partition. Pioneered fire-rated horizontal sliding door technology through decades of research and testing that shaped modern building codes.
Ron Smart
Former President
Led company expansion from 1979, developing nationwide distribution and securing code adoption of horizontal sliding doors. Expanded product testing to ensure universal code compliance and reliability.
Scott Smart
President
Current president since 2016 with mechanical engineering expertise. Developed FireGuard CS compressed-stack doors and oversaw acquisition by Overhead Door Corporation to expand global market leadership.
Questions
What makes Won-Door's fire doors different from traditional options?
Our horizontal sliding accordion design provides wider openings (up to 200') while maintaining fire ratings. Unlike swinging doors, they deploy automatically and integrate with security systems.
Can Won-Door products meet both fire and security requirements?
Yes, our SteelGuard + Fire Rating combination provides dual protection with fire ratings up to 180 minutes and rapid lockdown capabilities in 7 seconds.
Are Won-Door systems code compliant?
All products meet UL standards and ASTM E119 requirements. FireGuard doors comply with NFPA 101 Life Safety Code and IBC Chapter 1010.3.3 regulations.
What maintenance is required for Won-Door systems?
Annual preventative maintenance is recommended, including 12-point inspections of tracks, controls, and fire seals to ensure compliance and optimal performance.
Can Won-Door systems be customized for unique spaces?
Yes, we offer curved configurations, custom radii (as tight as 5'), and motorized options for openings up to 40' wide across various building types.
Reviews (1)
American Contractor
Nov 07, 2019 Report
Their change orders are crazy high, think over $500 for an hour's labor. Their onsite installers roll in at 10AM instead of 7AM (they don't stay late despite this), and their attitude is that "it is what it is". The opening for them better be perfect to the fraction of an inch or you will get hit with change orders. On the plus side, the product works fine and the office staff will call you back