... 8mm thick, (1150mm wide), or sandwich panel with EPS, ROCK WOOL, PU etc insulation thickness around 50mm~100mm 8) All ... 6m Maintenance systemRoof Colored steel sheet with 50mm glass wool insulationWall Colored steel sheetDoor Simple steel rolling shutter (within ... lower than 6m Maintenance system Roof EPS/rock wool/PU sandwich board Wall EPS/rock wool/PU sandwich board Door PU foamed rolling ...