3/4″ Deep Rib (6″ oc, .75″ Peak, 3.75″ Valley) 3/4″ Deep Rib (6″ oc, .75″ Peak, 3.75″ Valley) July 14, 2022 3/4″ Deep Rib (6″ oc, .75″ Peak, 3.75″ Valley)