A non-elastic thermoplastic film having a noise abatement region and a fastening component. The noise abatement region has a plurality of apertures, wherein each of the plurality of apertures has an area of between about 4 mm2 to about 75 mm2. The fastening component is disposed within the noise abatement...http://www.google.es/patents/US7872169?utm_source=gb-gplus-sharePatente US7872169 - Reduced noise level fastening system
