... ,840mm,880mm,900mm,950mm,980mm,1150mm. 4. Thickness of EPS 50mm,75mm,100mm,120mm 5.Steel sheet thickness 0.18mm-0.80mm ... ,easy to install, large usage 8.Usage This kind of sandwich panel can be used in steel structure workshop,easy building and ... clean room as walls ,ceilings. Especially for cold storage. Fireproofing EPS Sandwich Panels