Acoustical Decoupler 9/64" Stops sound transfer via CARPETING, Wooden flooring, laminate flooring, tile flooring and vinyl flooring. Also use on concrete for a moisture barrier and to stop cold transfer for the products has an R price of .five. This 9/64" thick mobile reinforced rubber with fiberglass cellulose backing (see https://alexanderv730efi9.wikifrontier.com/user