Acoustical Decoupler 9/64" Stops sounds transfer via CARPETING, wood flooring, laminate flooring, tile flooring and vinyl flooring. Also use on concrete as a dampness barrier and to stop chilly transfer for the merchandise has an R value of .5. This nine/sixty four" thick cellular bolstered rubber with fiberglass cellulose backing https://wayneh503vck3.activablog.com/profile