Rock Wool Supplier Soundproof Insulated Panels Price Rock Wool Sandwich Panel is a product that provides excellent thermal and acoustic insulation for walls and roofs. Our factory specializes in the production of high-quality rock wool sandwich panels, which come in a wide range of sizes and thicknesses. Our panels are made from two metal sheets sandwiching a layer of rock wool insulation, which provides superior soundproofing and fire resistance compared to other insulation materials. The panels are easy to install, making them a popular choice for commercial and residential buildings. Our factory is committed to producing top-quality insulation products at a reasonable price while maintaining the highest standards of quality control.