1″ Deep Rib (4″ OC Rib, 1-1/2″ Peak, 1-1/2″ Valley) 1″ Deep Rib (4″ OC Rib, 1-1/2″ Peak, 1-1/2″ Valley) July 14, 2022 1″ Deep Rib (4″ OC Rib, 1-1/2″ Peak, 1-1/2″ Valley)