3/4″ Deep Rib (3″ oc, .75″ Peak, 1.75″ valley) 3/4″ Deep Rib (3″ oc, .75″ Peak, 1.75″ valley) July 14, 2022 3/4″ Deep Rib (3″ oc, .75″ Peak, 1.75″ valley)