... be used many times over.2. Applying,Nowadays, the sandwich panel is widely used for cleaning workshops, industrial factory buildings, ... .3.specification, Effective widthWall panel: 950mm 1150mm 1000mm 1200mm. Roof panel: 960mm 970mm.Lengthcustomized.MaterialsEPS PU ROCKWOOL GLASSWOOL Color steel sheetStructureUpper and ... , storages, exhibition halls, gymnasiums etc. LEW-595-1000 sandwich wall panel