Multi-Rib is McElroy’s proprietary version of your business’s standard R-Panel which is a multi-use roof and wall rib panel principally Utilized in pre-engineered metal setting up programs. An optional Purlin Bearing Leg (PBR) rests on purlins and provides guidance for fastening the panel lap. Pre-fashioned panels with pins that fall https://oswaldr853xoa0.wikifordummies.com/user