Acoustical Decoupler 9/64" Stops noise transfer by CARPETING, wood flooring, laminate flooring, tile flooring and vinyl flooring. Also use on concrete for a moisture barrier and to prevent cold transfer with the products has an R worth of .five. This 9/64" thick mobile reinforced rubber with fiberglass cellulose backing (see https://acousticpanelsdubai91223.madmouseblog.com/10366562/acoustic-panels-dubai-for-dummies