Cork sheet 1. 6mm thick,usually size is 36*24 inch. 2. mainly used as cork underlayment. 3. function is soundproof,thermal. Cork sheet 1. 6 mm thickness,sheet size is 36 inch length×24 inch width . 2. Mainly used as underlayment below various flooring,soundproof,heat insulation,ease stress crack for flooring. 3. Material is cork,eco-friendly and nontoxic material. 4. Very popular in north America ...