Multi-Rib is McElroy’s proprietary Edition on the industry’s normal R-Panel and it is a multi-use roof and wall rib panel generally Utilized in pre-engineered metal creating purposes. An optional Purlin Bearing Leg (PBR) rests on purlins and provides assist for fastening the panel lap. We use cookies on our website https://omarf526vgk5.wikilentillas.com/user