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Discussion Starter #1
If i am using boom mat throughout my interior of the car, is it really necessary to also install the factory style cheap ass paper vapor barrier? I would think the boom mat would do a superior job.
 

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If i am using boom mat throughout my interior of the car, is it really necessary to also install the factory style cheap ass paper vapor barrier? I would think the boom mat would do a superior job.
the slick paper on the door/windows insulate from the moistuer that gets by the glass in doors and quarters
 

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Discussion Starter #3
What about the firewall insulation pad? Is it needed if you put the sound deadener on your firewall?
 
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