... cold storage, industrial workshop and public building etc.It features of thermal protection, waterproof, fast construction speed, . Durable and ... board, rock wool 2) Width: 950mm, 1000mm, 1150mm. 1200mm3) Thickness of middle material: 40mm, 50mm, 60mm, 75mm, 80mm, 100mm, 125mm, 150mm ... , 175mm, 200mm4) Thickness of steel plate: 0.2mm to 0.6mm5) Length: Depending on ...