Use a Wall tool to create a non-bearing wall or a structural wall in the building model.
Non-bearing walls: Click 
		 (Wall: Architectural) on the
 (Wall: Architectural) on the 
	 
 Build panel
Build panel Wall drop-down
Wall drop-down 
		 Structure panel
Structure panel Wall drop-down
Wall drop-down 
		Structural walls: Click 
		 (Wall: Structural) on the
 (Wall: Structural) on the 
	 
 Build panel
Build panel Wall drop-down
Wall drop-down 
		 Structure panel
Structure panel Wall drop-down
Wall drop-down 
		