... 3mm Width: 1m, Length: as required Moisture-proof, sound-proof Flooring UnderlaymentMaterialEPE/ PE foam (SGS Approved)Thickness2mm , 3mmWidth≤ 1mBackingLaminated with ... crack protectionActs as sound barrier beneath hardwood, parquet, ceramic, laminate, marble, slate, stone or floating floors Zhangjiagang Hongxiang New- ... production and study of heat-insulated materials in China. Flooring Underlayment