Q: Do I need to cover a closet door with plastic?

Yes, if the door is inside the work area.  When containing the work area during an interior renovation, the firm must close windows and doors in the work area.  Doors must be covered...

Yes, if the door is inside the work area.  When containing the work area during an interior renovation, the firm must close windows and doors in the work area.  Doors must be covered with plastic sheeting or other impermeable material.