RBS 255 Hi-rib Profile is manufacture from Pre-painted Zincalume/ Galvalume steel steel (PPGI) AL-Zn Alloy coated steel AZ-150 as per ASTM-1397 (Bare Galvalume) and color coated Al-Zn Alloy coated steel (Color Coated Galvalume) with a cover width of 1020mm, overall width of 1060mm, pitch of 250mm and a crest height of 32mm. RBS 255 Hi-rib Profile can be fixed on both roof and wall cladding and any slope and height as per the designers choice.