Won-Door Corporation
Wholesale Building MaterialsUtah, United States51-200 Employees
Won-Door Corporation is a mid-sized wholesale building materials company based in Salt Lake City, Utah. Founded in 1962, the firm introduced DuraSound, a durable acoustically rated folding partition, and about fifteen years later helped pioneer an accordion-style, fire-rated horizontal sliding door. Its products are designed for commercial and institutional facilities that require flexible space partitioning combined with fire-rated performance. The business operates within the wholesale building materials industry and has been part of Overhead Door Corporation since a 2021 acquisition. In 2025 Won-Door launched the FireGuard Corner Bi-Part, reflecting ongoing product development.