... Material:EPS,XPS,PU,Rock Wool Etc.3.Width:900mm,1000mm,1200mm4.Application:Wall Partition,Wall Board,Roof Characteristics ... 1. The panel core is Self Extinguishing Grade , and the Facing Board Fireproof , thus,Sandwich ... all sound insulation , so being as wall the sandwich panel has good Noise Resistance Capacity , can ... so it is easy to be Installed . EPS Sandwich Board