Key Specifications/Special Features: 1) Cork Rolls size: Different sizes available,Nomal size is as following: Lx1220x0.8 12mm Lx100x0.8 12mm Lx900x0.8 12mm2) Cork underlayment in 6mm thickness exceeds sound-deadening requirements for floors separating living units such as in apartment buildings, condominiums and office towers 3)Density: Ddifferent densities available 160-300kg/M34)Material: natural composition cork 5)Standard range: Moisture proof,Press crack protection,environmental insulation 6)Binder: polyurethane 7)Granule size: 1 to 4mm 8)Price:to be discussed(Have stock for regular size)