Abstract: A method and apparatus for applying ceiling panels to a light tunnel is provided. The applicator hereof includes a gantry, a frame, and a shifter for vertically shifting said frame relative to said gantry. The frame is presents a pair of generally arcuate spaced-apart rails each having a pair of terminal feet, with a bridge interconnecting the feet. The gantry includes a plurality of towers each having a pair of upright tower legs. The tower legs are attached to a base and preferably further supported by braces to maintain an upright configuration. A shifter is provided to operatively interconnect the gantry and the frame for raising the latter and the panel placed thereon into juxtaposition with a framework of the light tunnel. In accordance with the method, the applicator is placed within the framework of the light tunnel, a panel is placed on the platform, and the platform is shifted to place the panel in position for attachment to the framework.