Swing door, for an equipment room, has a wood frame and a steel door structure for quiet and noise-dampened movements

摘要

The swing door, for an equipment room, has a frame (3) of solid coniferous wood glued together. The vertical and horizontal members are also configured as a frame, and the longitudinal sides are aligned at the screw lines of their facing wall claddings. The steel door has a frame (10) as a metal skeleton, to ride on rails (11) fitted to a rear horizontal beam (4). A cladding (8) covers the box structure for the counterweight.