The Cold room is used for storing the mushroom. Its height is 6.8M. All the cold room panels are including wall panels and top panels. Because the cold room required temperature is -5℃~+10℃ .we suggest the customer choose panel thicknesses is 75mm and 100mm. Our customer chose our slip joint type panel. The panel’s fire retardant is B2 class. Meatal facing is 0.5mm PPGI/0.5mm PPGI. The cold storage height is 6.8m H.