3/4″ Deep Rib (7.5″ oc, 4″ Peak, 3.5″ valley) 3/4″ Deep Rib (7.5″ oc, 4″ Peak, 3.5″ valley) July 14, 2022 3/4″ Deep Rib (7.5″ oc, 4″ Peak, 3.5″ valley)