Acoustical Decoupler 9/64" Stops sound transfer via CARPETING, wood flooring, laminate flooring, tile flooring and vinyl flooring. Also use on concrete for a dampness barrier and to prevent cold transfer to the product has an R price of .5. This 9/64" thick mobile reinforced rubber with fiberglass cellulose backing (see https://reubent987biq5.tdlwiki.com/user