JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Place Ceiling Form Used to select regions within the model to create and place ceilings. Accessed from: Ribbon: AECOsim > Architectural > Place Architectural Elements > Ceiling > Ceiling Form Activates Create Slab by Flood. Key-in: BB ceilingS PLACE FORM To place a ceiling Parent topic: Ceilings