93vetteguy

Looking to quiet the Y2k Coupe down, interior noise. How much of the Dynamat material do I need for the job? Thanks for the input.

DPG

its about 80 to do the car adn if you want to include doing the doors, its a little over 100'. I would recomend doing the doors too especially if you have the stock stereo. it gives better sound to the stock crapy bose. For more info, like where to buy the cheapest and which material is best for you, visit the audio section.

MyVetteDream

I did the whole interior (x2 in the cargo area), doors, wheel wells....
Took me 3 full sized boxes... I forgot how much was in box, but it was just enough.

Here are some pix... make sure you wear a good thick pair of gloves when cutting... use a sharp blade...

http://imageevent.com/myvettedream/dynamat



Good luck.
Dave

Target Chaser

Nice job Dave, how much to do mine?

Kale

Dynamat is NOT sound deadening material. It's a damper, which helps keep panels from vibrating. This won't really block road, wind, or tire noise. this keeps panels from vibrating. May reduce resonance from exhaust system slightly. If you dynamat to reduce road noise, you are throwing your money away.

A real sound deadener would be a foam.

I hear there is a pre-cut sound barrier kit for less than $300... I want to say it's from Cybercowboy on the forum.

But if you insist on using a damper rather than a sound deadener,

For my stereo, I used a liquid damper, a 1 gallon bucket in the rear, half a gallon in the front, plus 30 feet of sound deadening for the back wall and inside the doors.

Elemental Designs probably has the best price, search for 'forum' to get a discounted price.

They also have foam pad available.


cliff notes:
dynamat keeps panels from vibrating but blocks little to no sound
closed cell foam blocks sound

JEEP/C5

I used both. I used the Dynomat Extream (3 boxes at Best buy - $30 each?) and about 6 rolls of Frost king and it turned out great. I put the Dynomat on all the large areas and some small chunks on anything I could stick it too and covered it all with frost king (front and back of car) and also put Frost king and some fiberglass insulation under the rear fenderwells. Very happy with the results and overall cost was $120.00 or so. You could just buy two dyno-extream and put large chunks behind the seats and spread out the rest throughout the car and have very good results and save $30 or so. Good luck.

93vetteguy

Thanks for the input.....

gpotski

I used two of the big boxes of Dynamat extreme to cover the rear hatch area and the front compartment.

I then added B-quiet's V-Comp as a sound deadener layer in the rear hatch area and behind the seats. It added alot of sound reduction.





http://www.bquiet.com/vcomp.html

00 popped top

Thanks for this forum. I have B&B Bullets and recently upgraded my stereo. I was looking for some way to reduce the exhaust sound. Does this add much weight?

gpotski

I'd guess maybe 20-30 lbs.

Just an estimate.

00 popped top

Is it hard getting the carpet and out and back in over the dynamat?

kasper-pA-

Which combo would yield best results do y'all think?

A: pre-cut insulation + frost king
B: pre-cut insulation + B-Quiet's vcomp
C: Dynamat + b-quiet
D: b-quiet + frost king

originally I was going to with option A but I like the specs on b-quiet's stuff....

any thoughts on these combos?



Kasp

DPG

depends on what your goals are? if you are trying to get rid of noise and vibration, then you go with a foam layer for the noise and a mat or liquid dampner for vibration.

if you are trying to reduce heat in the cabin, then the cowboy kit is a good choice.

a combination of these is usually the best answer because diff materials cover diff frequency ranges and have specific applications. unfortunatly there is no one-in-all material.

the liquid added maybe 10lbs to the car.

i forget how much the cowboy/frostking kit weighs, but its not much either 10lbs tops i think.

"C: Dynamat + b-quiet" this is usually the best option, but remember that you dont have to go with these brands. there are lot of other brands out there more or less. do your research on pricing ebay is sometimes a good place to look as well as cardomain.com and elementaldesigns.com

Kale

Edead liquid for daming + B-Quiet's V comp, OR, Cybercowboy's kit.

frost king just doesn't have the right amount of the right kind of foam to really be effective.

NOTHING fits better to your panel than liquid damper. I don't care how good you are at rolling stuff on. And you can put it thicker where it needs it.




Here's a pic of my liquid job. And my thoughts:

Areas that need damper:
Back wall behind seats. It needs a TON of it. I'd also suggest bracing it somehow so it doesn't vibrate so much.

The doors, all over as seen in the picture.

The 'backbone' in the car, particularly in the footwell area.

The entire rear cargo area, especially wheel wells and back wall.


Damper isnt needed so much for the floor, it doesnt really vibrate much.

And as far as the closed cell foam sound deadener? Well, everywhere. Especially in doors, and that back wall behind the seats.

DPG

you kinda get carried away with the liquid stuff and want to paint everything

DPG

Here is my liquid coverage as well. i want to go back and add the foam layer

good luck


the best part is that the interior is soo easy to pull out and put back together.

kasper-pA-

would this be the Elemental Designs liquid stuff?

http://www.edesignaudio.com/edv2/pro...products_id=53

kidd

Thanks good Info

DPG

sure is, now remember, this is for vibration and not noise.

Mike Mercury

wow; you're calling many here on Corvette Forum liars then. And Corvette Action Center, the C5 forum, and F-Body Forums, and personal aircraft groups as well.


I can agree with that; as long as you get enough coats (mass) laid down. Some may not like the mess; but that's why there are many differing products out there; to fill the various needs and goals of the individual.

one size doesn't fit all.