prepainted corrugated roofing sheet,Trapezoidal Sheets are an economical roofing and elevation material. (T6 -T60) prepainted corrugated roofing sheet,Trapezoidal SheetsMaterials: galvanized repainted and aluminum sheetsThickness: 0.4 to ... , 840, 850, 860, 900, 910, 950, 1025 and 1050 Material: SGCC, Q195-Q235B, SPCC, DC01, DX51D and Z Thickness: 0.18 ...