... , hidden screw model, self-locking model, steel tile sheet, as per your requirements. Commoditycorrugated steel roof sheetMaterialGalvanized steel sheetGalvalume steel sheetPre-painted galvanized sheetModel No.YX10 ... generally less than 12mColorstandard color:red,blue,white greyspecial color:according to RAL colorCertificateISO9001:2000The advantages of the corrugated steel roof sheet1) light weight2 ...