PPGI+EPS+PPGI, cold rolled technique, ROCK/GLASS WOOL thickness 50/75/100mm, steel sheet thickness0.2-1.2mm, effective width 950-960mm, length1-11.8m, color: red, bule, white, gray or ral color, density: 7-16kg/m2, fire grade: A1. as customer's requirement to manufacturer. Advantages: easy assemble, save labor, waterproof, anti-rust, anti-corrosion, heat insulation, high strength, good durability, environmental friendly, long span. Applications: prefab house, civil buildings, factory workshop, cold storage, sentry box, poultry house, toliet, power plant, exhibition halls, gymnasium etc.