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Ddub847

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  1. Not necessarily. Some areas just don't need any help. Structural ribs for instance don't need much, if any, sound deadener for a few reasons.

    1. They are more strucatulraly dead simply because they are reinforced (typically welded). Because of this they are 'supported' and so they resonate much less than say a flat or mostly flat panel that is not supported.

    2. This ribs are typically constructed of a curved or a rather intricately shaped piece of metal. Curved panels can have as much as 90% less resonance than a flat panel simply because of how it's shaped.

    Treating the entire lid, while effective, isn't the best use of materials simply because you can achieve the same or very similar results by using deadener strategically.

    i did not know that! great info.

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