A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members.

A curvilinear projection screen and acoustic system includes a curvilinear structural frame having a first side and a second side, a plurality of glass fiber reinforced gypsum (GRG) surface panels secured to the first side of the curvilinear structural frame, and a plurality of acoustic panels secured to the first side of the structural frame and interspersed between the plurality of GRG surface panels. In addition, the system includes a projection coating over the pluralities of GRG surface panels and acoustic panels to define a curvilinear projection surface.

A carwash system and method of operating the carwash system for washing a vehicle is provided. The carwash system comprises a carwash bay, a visual projection assembly to project images and video, an audio output system to emit sound, a user interface having a content menu with a plurality of content selections, a washing unit to conduct a cleaning cycle, and a control unit. The control unit is operatively connected to the visual projection assembly, audio output system, user interface, and washing unit. The control unit synchronizes the visual projection assembly and audio output system with the cleaning cycle conducted by the washing unit based on a specific content selection received from a user input on the user interface.