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does dynamat reduce road noise?


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mighty hd 
Member - Posts: 12
Member spacespace
Joined: March 24, 2007
Posted: October 22, 2007 at 6:36 PM / IP Logged  
I've got an 07 Sierra Classic (white) that is lifted up.   I'm searching for some opinions on Dynamat or something comparable. Most of you men here are professional installers and have had experience with different materials and seen the results of each.   I would love to hear your thoughts.
Bottom line is since the lift/tires I've got way too much road noise.   There is nothing inside the doors behind the panels except a thin piece of plastic barrier. Under the carpet is the standard pad/jude, and other than that there is really nothing.
I'm looking for reduced road noise, with a product that will withstand the very hot/humid summers of Florida. I plan to remove everything except the dash and line the entire cabin, including the roof under the headliner.   I know it's going to be expensive, but if it's worth it and will reduce my noise by 50% or more I will be performing this task in the next week or so.
Thanks for any opinions.
Mighty Hd
godd dan it 
Copper - Posts: 440
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Joined: July 01, 2004
Location: New Jersey, United States
Posted: October 22, 2007 at 6:51 PM / IP Logged  

Yes sound dampening material will reduce road noise. Fatmat and B-Quiet are good alternatives and alot cheaper than Dynamat. Make sure you get the material with the aluminum backing. And clean the surfaces before you apply the material so it doesnt fall off in the future.

mighty hd 
Member - Posts: 12
Member spacespace
Joined: March 24, 2007
Posted: October 22, 2007 at 7:33 PM / IP Logged  
godd dan it wrote:

Yes sound dampening material will reduce road noise. Fatmat and B-Quiet are good alternatives and alot cheaper than Dynamat. Make sure you get the material with the aluminum backing. And clean the surfaces before you apply the material so it doesnt fall off in the future.

Thanks for the reply.
I have been reading that dynamat is way overpriced, but is a good material.
Has anyone else had experiences with B-Quiet?
What would you suggest I clean the surfaces with? Do I need to rough it up with a fine sandpaper or anything like that?
Mighty Hd
godd dan it 
Copper - Posts: 440
Copper spacespace
Joined: July 01, 2004
Location: New Jersey, United States
Posted: October 22, 2007 at 11:56 PM / IP Logged  
Dynamat is really good if were talking about the Xtreme kind. They sell another kind that isnt good, IMHO. And I know this from experience. Clean the surfaces with rubbing alcohol or some other good cleaning solvent. Sanding is not needed.
mighty hd 
Member - Posts: 12
Member spacespace
Joined: March 24, 2007
Posted: October 23, 2007 at 12:41 PM / IP Logged  
I came across a product called RAAMAudio.   Any experiences with this stuff?
Mighty Hd
godd dan it 
Copper - Posts: 440
Copper spacespace
Joined: July 01, 2004
Location: New Jersey, United States
Posted: October 27, 2007 at 12:56 AM / IP Logged  

mighty hd wrote:
I came across a product called RAAMAudio.   Any experiences with this stuff?

Ive heard some people using it, and didnt hear anything bad about it.

rudydapimp 
Copper - Posts: 390
Copper spacespace
Joined: February 27, 2006
Location: United States
Posted: October 28, 2007 at 9:55 PM / IP Logged  
i have been using the elemental designs product (edead)for quite some time with positive results. and its cheaper. you can order direct, 1 dollar a sq ft, and shipping is very quick
1883atlantics 
Member - Posts: 41
Member spacespace
Joined: March 24, 2005
Location: United States
Posted: October 28, 2007 at 11:46 PM / IP Logged  

for the heat and humidity of Florida, go with the best. SecondSkin Audio's aluminum-backed deadener. Just google SecondSkin and order direct from them. I used some in my car in the front doors and it is great, high-quality stuff. It withstands more heat extremes than the other stuff. I also used RAAMAT aluminum-backed deadener (because I couldn't afford more SS) It's very good, but not as good as SS. It doesn't go to the temp extremes that SS can.  RAAM also has an independent DIY-type comparo test if you want to see the results of baking some sound deadener....FatMat and B-Quiet did NOT fare very well....

Jeff

djdowdell 
Copper - Posts: 60
Copper spacespace
Joined: December 07, 2005
Location: Kentucky, United States
Posted: November 18, 2007 at 1:05 AM / IP Logged  
I would try the e-dead from elemental designs. They have some youtube videos and on their website they put some e-dead in an oven to see how well it would stick and it 450 degrees I think and that stuff still stuck. As far as your road noise goes you stated that it was AFTER you lifted the truck that it got louder. Now I'm assuming that's only with the truck moving? I bet the additional noise is from those tires! LOL. But yeah if you dampen the whole truck it should help. What it wont help is the glass or if your windows are down. Good luck!
Pure Noize
boogeyman 
Silver - Posts: 359
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Joined: October 18, 2007
Location: Tennessee, United States
Posted: November 18, 2007 at 6:08 PM / IP Logged  
     whatever product you use just stay away from spray dampening materials as over the course of time they tend to cause rust
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