Rear wheel well sound proofing
Thread Starter
Burning Brakes
Joined: Jul 2007
Posts: 753
Likes: 47
From: Clearfield Utah
Rear wheel well sound proofing
Has anyone tried to add sound proffing to the wheel well area between the inner fender and the body? If you have what material did you use and have you experienced any moisture issues? How about spraying a few coats of undercoating? Is there a noticable difference in noise level.
Pro
Joined: Apr 2008
Posts: 728
Likes: 30
From: Paris
Has anyone tried to add sound proffing to the wheel well area between the inner fender and the body? If you have what material did you use and have you experienced any moisture issues? How about spraying a few coats of undercoating? Is there a noticable difference in noise level.
I've gone over the various technical solutions out there and chosen a producer.
Where are you at?
a++ Cedric
Drifting
Joined: Aug 2006
Posts: 1,407
Likes: 46
From: Tampa FL
Whatever you do, don't spray the undercoating on the interior metal of the car under the carpet. I did that on my Camaro and the smell was bad for a long time and never really went away on a hot day.
I also stuffed the wheel wells of my 02 vette with fiberglass and it made a slight difference in sound.
After that I put 2 layers of frost king in there and the sound was slightly softer.
Its a lot of work, and if not careful you can mess up some panels and some carpet while ripping the car apart to do the interior soundrpoofing.
I also stuffed the wheel wells of my 02 vette with fiberglass and it made a slight difference in sound.
After that I put 2 layers of frost king in there and the sound was slightly softer.
Its a lot of work, and if not careful you can mess up some panels and some carpet while ripping the car apart to do the interior soundrpoofing.
Drifting
Joined: Sep 1999
Posts: 1,871
Likes: 247
From: Weatherford TX
I just did the Frost King duct insulation from Home Depot in back of our 09 coupe. Took 2 rolls to do entire floor, back wall, and side walls. Really made the car quieter. First ride wife took in it, she remarked how much it quieted the car. Well, worth the $40 cost. Only took couple of hours to do. There are some posts on audio forum to see how to do the project.
I just laid it down in strips. It has somewhat a sticky side that keeps it in place, but not really glued down. Feel for the cost it is a great addition over the Dynamat cost.
I just laid it down in strips. It has somewhat a sticky side that keeps it in place, but not really glued down. Feel for the cost it is a great addition over the Dynamat cost.
Last edited by kenrobb; Aug 27, 2010 at 10:42 PM. Reason: add't info added
Safety Car
Joined: Sep 2008
Posts: 4,296
Likes: 156
From: Location: Location: kAnSaS
might want to look at medvettes kit. pretty reasonable. I think alot of the road noise comes from the pillar right behind the headrest area. stuff something down in that area as well. Be carefull on the passenger side, there is a vent there. good luck paul
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Michael S. Palmer
Race Director
Joined: Dec 2007
Posts: 19,574
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From: Frederick, MD
Has anyone tried to add sound proffing to the wheel well area between the inner fender and the body? If you have what material did you use and have you experienced any moisture issues? How about spraying a few coats of undercoating? Is there a noticable difference in noise level.
I never cared much for undercoating. If it is not 100% clean you may trap contaminants behind the coating and if it gets warm you will smell it.
Did you leave the opening for the vent that Paul mentioned when we did your kit? If so I guess we can do part II of our install in my garage when you are ready.
Race Director
Joined: Mar 2007
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From: Murfreesboro TN
Last edited by RadarP3C; Aug 27, 2010 at 06:54 PM.
Instructor
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From: Corinth, TX
Team Owner
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St. Jude Donor '13
Race Director
Joined: Aug 2008
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From: Edmond Oklahoma
The best and most expensive way is using a product like Dynamat to insulate the entire floor pan of the car. If you really want to go all the way do inside the doors too. The interior will have to be removed to accomplish this. Cost? about $300.00 MOL for all the surface area. It just depends on how much the tire noise and exhaust note bothers you or the wifey. Do a search here and I think you will find several how to
posts.
posts.
Instructor
Joined: Jun 2010
Posts: 157
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From: Kilgore Texas
so I can add extra insulation without the weight penalty!..lolGary
Le Mans Master
Joined: Aug 2009
Posts: 5,504
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From: Sacramento California
Le Mans Master
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
The best and most expensive way is using a product like Dynamat to insulate the entire floor pan of the car. If you really want to go all the way do inside the doors too. The interior will have to be removed to accomplish this. Cost? about $300.00 MOL for all the surface area. It just depends on how much the tire noise and exhaust note bothers you or the wifey. Do a search here and I think you will find several how to
posts.
posts.
me think sound BARRIER may be more effective to keep road noises out of the interior than sound dampener?
whatcha think?
Racer
Joined: Jun 2007
Posts: 472
Likes: 0
From: Newport News VA
I disagree. I put a Dynamat kit in just the back half of the car. Fairly easy to do, weighs very little, and made a big difference. The rear wheel arches, for example, have no insulation at all.
Le Mans Master
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
BTW, the thicker and heavier they are, the better they work-if you use a purpose built material, you can get cheaper and more effective results, lighter too
