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<blockquote data-quote="what_the" data-source="post: 6708736" data-attributes="member: 575238">I have been reading and have learned that the mlv is the product for sound blocking.&nbsp; I know the more mass, the more sound blocked.&nbsp; My question is how much of a difference will there be form .5lb/sqft vs 1lb/sqft mlv.&nbsp; I would like to keep the added weight to my vehicle down, but I don&#039;t want to sacrifice to much of my interior silence.&nbsp; Here are the example products:<a href="http://www.cyber-bridge-marine.com/productinfo.aspx?productid=IMT05" target="_blank">1/16&quot; soundproofing material Mass Loaded Vinyl</a>&nbsp; (1/2lb/sqft)<a href="http://www.cyber-bridge-marine.com/Soundproofing-Mass-Loaded-Vinyl-Barrier-1-8-4-5-X-30.html" target="_blank">Mass loaded vinyl barrier Wholesale 1/8&quot; Soundproofing</a>&nbsp; (1lb/sqft)Also how necessary is the foam decoupling layer between the panel and the mass loaded vinyl?&nbsp; If i can cut it and save some money, that would be great.</blockquote>

[QUOTE="what_the, post: 6708736, member: 575238"] I have been reading and have learned that the mlv is the product for sound blocking. I know the more mass, the more sound blocked. My question is how much of a difference will there be form .5lb/sqft vs 1lb/sqft mlv. I would like to keep the added weight to my vehicle down, but I don't want to sacrifice to much of my interior silence. Here are the example products: [URL="http://www.cyber-bridge-marine.com/productinfo.aspx?productid=IMT05"]1/16" soundproofing material Mass Loaded Vinyl[/URL] (1/2lb/sqft) [URL="http://www.cyber-bridge-marine.com/Soundproofing-Mass-Loaded-Vinyl-Barrier-1-8-4-5-X-30.html"]Mass loaded vinyl barrier Wholesale 1/8" Soundproofing[/URL] (1lb/sqft) Also how necessary is the foam decoupling layer between the panel and the mass loaded vinyl? If i can cut it and save some money, that would be great. [/QUOTE]

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