... injected the expanded polystyrene in middle. 1)Item:EPS Sandwich Panel2)Model:965(for Roof)3)Crest height ... :40mm4)Thickness for EPS: 50mm,75mm,100mm5)Thickness for steel sheet: 0 ... can do according to your request7)Length tolerance: +/-5mm8)EPS density: 8-24kg/m39)Character: Light in weight, heat ... : Roofs for Warehouse, gymnasium,exhibition halls, storage EPS Sandwich Panel