Thermozite vs. Dynamat Xtreme

Discussion in 'Gen 3 Prius Audio and Electronics' started by haowu80s, Apr 11, 2013.

  1. haowu80s

    haowu80s New Member

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    When doing sound-proofing on Prius, most people in this forum use Dynamat Xtreme, which is aluminum foil + butyl rubber, with a ridiculous price tag. After some googling, I found an alternative sound and heat isolation material called "Thermozite", which is made up of recycled PET, so called eco-fi (ecospun), and foil.
    Thermozite is way cheaper than Dynamat Xtreme, and its noise reduction coefficient(0.30) is very comparable to Dynamat Xtreme(0.417). And if thermo isolation is not of your priority, there is an eco-fi carpet padding that is even less expensive with even higher NRC (0.66).
    I am not from the acoustic industry and I might be very wrong. Is there any specific reason why Dynamat Xtreme is so popular?




    Auto Carpet Felt Padding


    Thermozite Thermal-Acoustic Insulation - Heat & Sound Shield
    http://dynamat.com/download/specs/2204_Spec_Sheet_Dynamat_Xtreme.pdf
     
    EdyJun likes this.
  2. EdyJun

    EdyJun Junior Member

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    2010 Prius
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    What part of the Prius are looking to use this stuff on ?
     
  3. haowu80s

    haowu80s New Member

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