EPS sandwich panel: 1.LIGH-WEIGHTED, 2.HEAT AND SOUND INSULATION, 3.HIGHLY WATERPROOF, 4.LONG SERVICE LIFE. EPS sandwich roof panel:Technical ... not than 11.8m3. Usage: It can be used as roof panel of workshop, factory, prefabricated home, storage, villa and ... to wall materials of various high and low buildings such as banks, office buildings, hospitals, schools, hotels, malls, amusement halls ...