... sandwich panel production lineEPS sandwich panel for roof, width:960mm or 980mmthickness:50,75,100,150,200mm density:7-20 kgs/m3, steel ... sheet:0.2-0.6mmEPS sandwich panel for roofLength:unlimited,<12m due to ... technolog Expanded Polystyrene Sandwich panel, also called composite panel, is a cost efficient prefabricated roofs element. Sandwich panels can be ...