Multi-Rib is McElroy’s proprietary Variation from the market’s typical R-Panel and it is a multi-use roof and wall rib panel largely Employed in pre-engineered metal constructing purposes. An optional Purlin Bearing Leg (PBR) rests on purlins and delivers support for fastening the panel lap. task_altPanel lengths: 22’ greatest for aluminum https://germainej914qsx1.wikibyby.com/user