... height:40mmThickness for rockwool: 50mm-200mmThickness for steel sheet: 0.3mm-0.6mm1)rockwool sandwich panels2)light weight ... Color)5. Certificate : ISO9001:20006.Variety: H-beam (flat sheet, profiled sheet), matchboard, corrugated sandwich panelDetailed Product Description Model No.960mm ... hidden screw model, self-locking model, steel tile sheet, as per your requirements.The followings are the trade ...