cork underlayment 1.Ideal nontoxic underlayment. 2.soundproof,ease stress crack for floor. 3.cork size,density upon demands. Cork underlayment 1) Ideal nontoxic underlayment Installed beneath various laminate or hardwood flooring,water-resist,noice-reducing,provide stress crack protection,make them used longer.2) Completely environmental friendly,nontoxic compared to other kind underlayment, ...