Ceiling Collection:
https://3dsky.org/collection/shared/5313907 

CORONA + VRAY (2013)
FBX CORONA + VRAY (2009)

Armstrong and Grillato ceiling systems with a set of components. For convenience, the ceiling modules are available in several assembly options. The models of the video camera and detector have the ability to change the position, and the archive contains explanatory diagrams for assembling ceilings and repositioning parts. Grillato ceiling cell sizes : 40x40, 50x50, 60x60,75x75, 86x86, 100x100, 120x120, 150x150, 200x200, multi-sized.
The model archive contains a RALL table that allows you to change the color of the ceilings and a list with links to the models.

The set contains :

- Armstrong ceiling system
- Grillato ceiling system.
- FanTik ceiling fan.
- Ventilation grilles.
- Security camera.
- Built-in air conditioner.
- Built-in lights.
- Sprinkler sprinkler.
- Fire detectors.
- Signposts.
- Ceiling panels.

Other sets :
https://3dsky.org/users/solomon5555/models