... series1,Effective Width: 980mm 2,Thickness Of EPS: 50-200mm, regular is 50/75/100mm 3,Thickness Of Steel Sheet: 0.2 ... Specification:Width1200mmEffective Width980mmMaterial Of InterlayerEPSThickness of EPS interlayer50-200mm, usually 50/75/100mmMaterial Of Top/Back Sheet Corrugated Color Steel SheetThickness ... other industrial and civil buildings.. EPS Sandwich Roof Panel V980-50