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Discussion Starter · #1 ·
Has anyone tried to add dampening to thier dub? I've seen those black stickon sheets at Bestbuy... and i've also heard of a guy that fiberglassed his floorpan, although I bet that was more for strength than soundproofing.
 

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Re: Sound dampening... (hatter36)

do a search with "dyomat" lots of stuff has been written . I ve heard of roofers ice guard also being used .
 

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Re: Sound dampening... (J.Knipl)

i forgot what it was called but u can go to home depot and buy sheets for cheap its like foam you put between the walls and such... its cheaper and works alot better then dynomat!?
 

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Re: Sound dampening... (pdub72)

It depends on what you're trying to do.
If you're trying to get rid of resonance or "rattling" then you want a product like dynomatt or rammatt(better and cheaper than dynomatt). It basically adds weight to the body panel to change the resonant frequency of that panel.
If you want a quieter dub you'll want to use something different like some sort of close cell foam. They sell camping mats at walmart that are very suitable for sound isolation, they are a neoprene type material. Also carpet padding will work pretty good.
 

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Re: Sound dampening... (fopeano)

I have used this product in one of my 4x4's. Before you could not carry on a conversation at highway speeds. So on long drives you just didnt say much because you were unable to hear the person next to you let alone in the back seat. Radio what radio... You cant hear Sh#t so why bother investing in a radio.
I bought a roll of the aluminum coated Dynamat. I installed it on the firewall inside the engine bay and inside the truck. I also installed a 1' x 1' section in each door. Then we went for a drive. Much much better. I not only could hear my wife speaking to me I could hear the kids talking in the rear seat and understand them. We installed a stereo system and I was able to enjoy it and also hear the wife and kids without problems. So I think it works and works well. I do recommend using it. There is some stuff off ebay that does the same thing. I have never used this stuff but it is a lot less expensive and you get a ton more. Enough to do the entire car and trunk. Isnt a weight saver thats for sure.
 

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Re: Sound dampening... (DeaconFrost)

true I hear this stuff works wonders.... if its that big of a prob and you have some time, take out your dash and line it all up along that
 

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Re: Sound dampening... (GermanWannaB)

im looking into this myself right now. i was going to go with a dynamat type of material if i have to but im not too excited about adding the weight. i did a bunch of searches online and came up with a guy that sound proofed and insulated his vw van. do some searches for his site. maybe punch in somethin like "sound insulate vw"? he had some pretty cool ideas, like getting this stuff that you spray out of an aerosol can into your... im not sure what to call it. the part of your door frame that the windows roll up into. any way you spray this stuff up there and it expands as it dries. its virtually weightless but adds sound dampening and also makes the door more solid. helps with the sound and feel you get when closing the doors. lots of high end cars use this kind of "technology". any way id love to hear more on this topic. please keep it going http://****************.com/smile/emthup.gif http://****************.com/smile/emthup.gif http://****************.com/smile/emthup.gif http://****************.com/smile/emthup.gif
 

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Re: Sound dampening... (rockstarmjl)

Be very careful with the spray foam. That stuff really means business when it epands and in a enclosed door that could be bad news!
 

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Re: Sound dampening... (SSgfunk)

I used Cascade Audio VB-1S spray-on sound dampener and all I can say is http://****************.com/smile/emthup.gif. Easy to apply(spray can), inexpensive, and it made a HUGE difference in my car. And I only did the inside of 2 doors!
Took about a can and a half to do both doors(though they say to use one can for 2 doors), and I am going to get myself some more to do the insides of the rear quarter panels as well.
http://mainstreet-caraudio.com...s.htm
And the tech/info sheet (.pdf format):
http://www.cascadeaudio.com/pd...h.pdf
 

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Re: Sound dampening... (Phobia16V)

i got foil insolation just like dynamat extreem for $22 each sheet. look under ebay in search foil insolation. it's like $8 shipping & $4 each one after.
 

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Re: Sound dampening... (Phobia16V)

Here is the low down on sound deadeners:
Expanding foam: It's alright, good for the hard to get places, in trunk lids and stuff.
Stuff from the hardware or roofing store: Complete Sh it, it will not sitck to anything unless you lay it down like a mosaic. Trust me I have it in my hatch @^#$&^%@*&#^%*!
Dynamat, Rammat, Brown Bread, etc: The bomb! stick to anything and everything doesnt peel of doesnt smell like ****, worth extra money for sure. When I redo my car I am going all dynamat!
 

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Re: Sound dampening... (XLR8)

Recently installed Dynamat Xtreme in my dub’s hatch and on the front door skins… stellar http://****************.com/smile/emthup.gif http://****************.com/smile/emthup.gif
 

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Re: Sound dampening... (XLR8)

Quote, originally posted by XLR8 »
Stuff from the hardware or roofing store: Complete Sh it, it will not sitck to anything unless you lay it down like a mosaic. Trust me I have it in my hatch @^#$&^%@*&#^%*!
I used some ice shield from the hardware store in my miata and it worked great. I can now hear things when I am on the highway. It doesn't smell and since I got a huge roll I think 100 feet for around $30 I think it was a great deal. I did a double layer in my trunk, floor pan and doors. The first time I closed my door I was amazed at how solid it sounded. http://****************.com/smile/emthup.gif The only problem I saw with it was the surface you are going to stick to has to be real clean and dry so it will stick and it helps if you use a heat gun.
 

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Re: Sound dampening... (spdfrek)

I used a blow torch, and I cleaned the surface nicely. My buddy has dynamat and the roofing stuff and he's big into stereos. He got the roofing stuff to work bny just cutting it a lot, it looks like crap, that only matter sif you are worried about looks. The other thing is that he said he only really noticed a difference when he put the dynamat in. It took him 1/10 of the time to pu the dynamat in, and since it has an aluminum skin it doesn't melt and curl up. I hate that, you end up wasting a lot. Whatever go with what you want but from my experience I would recommend anything with an aluminum backing.
 

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Re: Sound dampening... (hatter36)

My whole trunk and door panels are dynamatted.
It keeps the sound in well with no rattling.
Worthwile investment, and not too hard to do yourself
 

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Re: Sound dampening... (hatter36)

anyone have any tips on prep to install dynamat type of material? used to get the usual light dirt and yuk off so it sticks as good as it can.
 

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Re: Sound dampening... (XLR8)

Quote, originally posted by XLR8 »
Here is the low down on sound deadeners:
Dynamat, Rammat, Brown Bread, etc: The bomb! stick to anything and everything doesnt peel of doesnt smell like ****, worth extra money for sure. When I redo my car I am going all dynamat!

He is right.. make sure you prep your car properly and I heated mine up before applying it and be sure that when you place it done that is "where" you "want" it because when the surface is prep'd and heated and the dynamat is heated it is a "-----!" to get back off and try to reset it.
The roofing stuff is called Peal-N-Seal. I have heard some of the hotrodders talk about it. Its cheat and does a good job according to them but I would rather my car not smell like I just roofed it.
 

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Re: Sound dampening... (DeaconFrost)

ok heat but what about dirt as my car is an 86 and 16 yrs of driving it has dirt in places like the doors.
 
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