jmichel

This happens because you are texturing the Autofloor. The Autofloor works like a "slab" and, as you stated, is defined by the exterior walls. Therefore is one floor--> one texture
To set different materials on the floor of each room, you need to create a floor for each room

In the floor tab--> Plan Toolbar menu (upper menu)--> Floor tool (13th icon from the left)(see attached)--> create a floor for the room--> set the thickness and elevation--> texture as necessary

Two notes
- If you set this manual floor above of the Autofloor, set the elevation of the new floor at least 0.1"above the Autofloor
- If you set the Autofloor + manual floor, you will have two floors in the Estimator

Patricia