A floor drain assembly for connecting to a drain system of an installation site. The floor drain assembly includes a drain body having drain coupling adapted for connecting to the drain system, a collar mounted to the drain body, and a rough-in adapter having a radially extending flange. The rough-in adapter is axially adjustably mounted to the collar and a strainer frame is axially adjustably mounted to the rough-in adapter. Mounted to the frame is a strainer. A cover encloses the strainer and strainer frame and includes a central region and a downwardly extending perimetric wall that is removably mounted, at a lower end thereof to, the flange of the rough-in adapter.