... corrugated steel sheet0.326~0.8mm thick,(1150mm wide), or sandwich panel with EPS, ROCK WOOL, PU etc insulation thickness around 50mm ... Maintance systemRoof Colored steel sheet with 50mm glass wool insulation Wall Colored steel sheet or sandwich board Door Wind resistance rolling ... to the customers' requirementsWall Panels: Steel plates of 0.4, 0.5mm, or EPS/ PU sandwich boards of 50mm, 75mm, 100mm. ...