... roof and wall And very cheap and durable Even coating, color stability, extreme rigidity, superior flatness, impact resistance, corrosion resistance, ... materials we can use are: EPS Foam, Rock Wool, Glass Wool and PU Foam. The above sandwich panels have been widely used ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Sandwich Panel