Multi-Rib is McElroy’s proprietary Edition with the market’s normal R-Panel and it is a multi-use roof and wall rib panel principally used in pre-engineered metal developing apps. An optional Purlin Bearing Leg (PBR) rests on purlins and gives support for fastening the panel lap. We use cookies on our Web https://ralphg157cjp0.targetblogs.com/profile