... . Core material---The density of this(mineral)Rock wool is: 120-250kg/m33. Side steel strip or not: 0.35-0.8mm galvanized ... Polystyrene foam board: 50mm 75mm 100mm 150mm 200mmdensityRock wool 120-250kg/m3,EPS 12-35kg/m3,PU 35-50kg/m3Conventional colorOcean blue, tephrosiouslifetime15 ... veneer2. Specification: (L*W*T) 1000-12000mmX 950X (50,75,100,150,200mm)3. Usage: It can be used as roof ...