... 3.HIGHLY WATERPROOF, 4.LONG SERVICE LIFE. EPS sandwich roof panel:Technical functionUnitIndexQualificationFibre averagediameterμ m4-7GB/T13350-92Densitykg / m 37 ... Glass wool, Surface materials: PPGI, GI, Stainless steel sheet, galvanized sheets, PVC, and veneer2. Specification: (L*W*T)1000- ... than 11.8m3. Usage: It can be used as roof panel of workshop, factory, prefabricated home, storage, villa and ...