Products / Monarch Rib

Monarch Rib is an exposed-fastener roof panel with 5/8 in. ribs on 9 in. spacing across a 36 in. coverage width, aimed at light commercial and agricultural buildings. It is made in 29 and 26 gauge steel in Galvalume Plus or Signature 200. The data sheet prints no minimum slope. It lists UL 2218 Class 4, and its UL 790 row refers to a separate Class A fire rating data sheet.