Is screen molding used for the cracks in the paneling? And what is screen molding?
Screen molding is a thin wood molding used to hold screening on wooden window screens. It is 3/4 inch wide and about 1/4-3/8 thick, other widths are available. It can be used to hide cracks on paneling and as a simple decorative molding. Go to your local lumber yard to see the variety of different moldings available.