Tauro Wood PLMD - Concealed Top Folding System for Wood Doors. Up to 110 lbs/panel and max of 660 lbs in the stacking area. Modular system - up to 6 panels per side. For partitions, meeting rooms, family rooms. Floor Guide track for smooth folding. Concealed bottom roller guide with height adjustment. Spring-aligner keeps doors flat in a closed position. Top bracket aligner will prevent over extension of doors. Door thickness: 1-19/64" min. Max door width: 29-1/2". Gap between door and track: 5/16", Gap between door and floor: 7/64". Tauro Wood Pivot Door Kit