Bunka High Speed Door is a high-performance rolling door made from durable PVC and designed for rapid open–close cycles. Also known as a shutter door, rapid door, quick shutter, or speed shutter, this solution is engineered to support industrial environments that require efficiency, hygiene, and temperature stability.

The sectional door, also known as an overhead door or upward-sliding door, was first created by Hormann Germany in 1954. Since its inception, this innovative product has continued to evolve, adapting to modern architectural trends and the needs of its users.