... EPS sandwich panel: 1.LIGH-WEIGHTED, 2.HEAT AND SOUND INSULATION, 3.HIGHLY WATERPROOF, 4.LONG SERVICE LIFE. EPS sandwich roof panel: ... Surface materials: PPGI, GI, Stainless steel sheet, galvanized sheets, PVC, and veneer2. Specification: (L*W*T)1000-12000mmX 950X ... bricks, clay solid bricks, air bricks, color-coated steel sandwich boards, gypsum blocks, wire spatial grid structure perlite boards ...