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Thread: anyone use spray-on sound deadener?

  1. #1
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    anyone use spray-on sound deadener?

    Hi All...

    I'm looking for something to mitigate the road noise in my Jetta.

    I know the standard is to use Dynomat or something similiar and line
    the inside of the doors and trunk area. From most accounts, installation
    is messy and not very straight-forward.

    I was wondering if anyone has had good results with the spray-on type of sound deadener... such as the kind sold at quietcar.net? I'd prefer to go this route-- I could just take off my door panels, spray, let dry, and put the panels back on-- if it works.

    It also seems cheaper than Dynomat... so it seems to good to be true... any input?

  2. #2
    Raw Wave Defiler's Avatar
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    If you want cheaper get a truck spray-on bed liner. I heard those work pretty well. I've never used it before so see what other people say about first I guess.
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  3. #3
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    After reading quiet a bit about the spray on's I'm still very sceptical towards their sound deadening capabilities. I mean.. Dynamat and similar products have a layer of material that helps to eliminate road noise etc. But a spray on? Must be some magical particles reflecting the soundwaves or something
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  4. #4
    Raw Wave Defiler's Avatar
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    I thought sound deading is mostly a matter of adding mass to the metal to make it harder for sound to pass through. If I am not correct on this please correct me.
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  5. #5
    Constant Bitrate heypachuco's Avatar
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    I've used the spray-on stuff and it doesn't work as well. It is great for hard to reach areas (inside corners of doors, inside tailgate, etc.) but the roll on stuff is more effective. I sprayed the walls of my Blazer, ans all I got was a clean surface to roll some Dynomat on.

  6. #6
    Maximum Bitrate falconey's Avatar
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    Quote Originally Posted by Defiler
    I thought sound deading is mostly a matter of adding mass to the metal to make it harder for sound to pass through. If I am not correct on this please correct me.
    You are right defiler. It's about loading up on mass. Because most of the deadeners have a hard time holding up on the bottom of rear decks I've heard that people are turning to the spray on's. They get mostly good reviews but spray on's are truly permanent so beware of that. Just from the info I have on them I would only use sprays on for the bottom of the rear deck and the door panels. Otherwise I'd stray away from them.

  7. #7
    Maximum Bitrate falconey's Avatar
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    Quote Originally Posted by heypachuco
    I've used the spray-on stuff and it doesn't work as well. It is great for hard to reach areas (inside corners of doors, inside tailgate, etc.) but the roll on stuff is more effective. I sprayed the walls of my Blazer, ans all I got was a clean surface to roll some Dynomat on.
    We posted at nearly the same time, but were thinking along the same lines.

  8. #8
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    You may want to check out the Edead V.3 from Elemental Designs, not spray on but brush on. I ahven't tried it but heard lots of good things about it. I will prolly order some soon. www.edesignaudio.com
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  9. #9
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    Oops... the website with spray-on (and brush-on) sound deadening material is carquiet.net , not DOT com.

    So the consensus is a definate maybe?

  10. #10
    Maximum Bitrate Snootch's Avatar
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    spray-on makes sense, due to you being able to fill every nook and cranny, but the problem there is that it's thin. Like Defiler said earlier, the goal of sound-deadening in the first place is to prevent panels from rattling by adding mass. A thin coat of something is not going to add much mass. If you want something that covers well, and are apprehensive about stick-on deadener sticking to your metal, the brush-on stuff is the ticket. i have heard great things about the EDead brush-on deadener. The only downsides i can see to using a brush-on, is that you have to wait for it to dry, and it's a frigging mess to apply.
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