Products / Tough Rib

Tough Rib is an exposed-fastener ribbed steel roof and wall panel with 36 inch coverage in 26 and 28 gauge, for agricultural, commercial and residential buildings. Westman Steel gives a minimum roof pitch of 3:12. Its data sheet shows ribs at 9 inch centres and lists ASTM A792, CSA S136, CSSBI 20M-17 and CSSBI S8-2008.