3/4″ Deep Rib (12″ oc, .5″ Peak, 10.75″ valley) 3/4″ Deep Rib (12″ oc, .5″ Peak, 10.75″ valley) July 14, 2022 3/4″ Deep Rib (12″ oc, .5″ Peak, 10.75″ valley)