Shutter railsare horizontal bars at the top, bottom, or across the center, are respectively called top rail, bottom rail and divider rail. Divider Rails are utilized to provide additional strength to a panel and allow separate operation of the louvers above and below the divider rail. Divider rails are utilized when you want to close the lower louvers for privacy and open the louvers above the divider rail for light and ventilation control. These shutter rails can be made from basswood, unfinished, solid, ready for you to stain or paint, and can also be made from Poplar, finger jointed and edge glued, with Jesso prime, ready for you to paint.