3/4″ Deep Rib (4 1/4″oc Rib, 1″ Peak, 3″ Valley) 3/4″ Deep Rib (4 1/4″oc Rib, 1″ Peak, 3″ Valley) July 14, 2022 3/4″ Deep Rib (4 1/4″oc Rib, 1″ Peak, 3″ Valley)