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Old 03-07-2010, 02:59 PM   #1
jordan 572

 
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dynamat

Anyone use this stuff or something similar. I am wondering how much i need.

http://www.dynamat.com/products_car_...trunk_kit.html

looks like 5 18x32 pieces is this enough
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Old 03-07-2010, 03:38 PM   #2
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some info in the diy section

http://www.camaro5.com/forums/showthread.php?t=38112
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Old 03-07-2010, 03:59 PM   #3
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I bought dynamat xtreme from amazon. my buddy and i actually went waaaay overboard (which is awesome) and put 108 square feet of that stuff throughout the entire car!!!

It is absolutely insanely quiet. I mean NOTHING makes noise. We spent about 20+ hours on the job.
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Old 03-07-2010, 05:02 PM   #4
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Originally Posted by AdamCzap View Post
I bought dynamat xtreme from amazon. my buddy and i actually went waaaay overboard (which is awesome) and put 108 square feet of that stuff throughout the entire car!!!

It is absolutely insanely quiet. I mean NOTHING makes noise. We spent about 20+ hours on the job.
how much did you use in the trunk?
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Old 03-07-2010, 05:07 PM   #5
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I sell it if you want i can get you a bulk pak for a good price.
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Old 03-07-2010, 07:04 PM   #6
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I sell it if you want i can get you a bulk pak for a good price.
dynamat? pm with the price please
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Old 03-08-2010, 08:07 AM   #7
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This is the best price I found: http://www.amazon.com/Dynamat-10455-...8057177&sr=8-1

It takes 9 18x32 sheets just to do the trunk.
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Old 03-08-2010, 05:41 PM   #8
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all you'd ever need to know about sound dampeners:

http://www.sounddeadenershowdown.com
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Old 03-08-2010, 06:18 PM   #9
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Long as weight isn't an issue dynmat is good stuff, there is no way it could not work by the shear mass of it. By design it can't fail.

But it adds up quick and if you are keeping track of them tenths of a sec.....
why I follow the Vette boys n go Smitty.

http://feedback.ebay.com/ws/eBayISAP...ab=AllFeedback

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Old 03-08-2010, 07:22 PM   #10
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i have used a lot of Dynamat and I have also been through a thousand go arounds about what products that you can use that are cheaper that work as good... and it always seems there were more guys who used the "other" products that ended up pulling them out because they got greasy when heat got to them , or they smelled bad and usually both...I have even heard of guys going to Home Depot to buy roofing material they say works just as good....all BS

The best place to buy Dynamat is usually Ebay .Make sure what you want to use as they have different products . I used Dynamat extreem in my 69 Pro Tour car and pre-Dynamat you couldn't hear yourself think over the 427 SB roller motor. Now I can actually have a conversation on my cell phone.. kind of But seriously there is a huge difference with sound and even heat coming off the firewall

The key thing is not only price but pay attention to shipping charges. This stuff is heavy .
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Old 03-09-2010, 07:29 AM   #11
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i am doing it becasue i have a sub. so i believe the xtreme is the stuff i want correct? the trunk kit i am pretty sure is 20 sq feet that should be enough to do the trunk and trunk lid?
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Old 03-10-2010, 07:53 PM   #12
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20 sq feet is not enough to do the trunk and trunk lid; you need about twice that much.

If you get the bulk pack that I mentioned in post #7 above, that will cover the lid and most of the trunk.
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Old 03-10-2010, 08:25 PM   #13
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remember, you only need to cover about 25% of the area to effectively dampen the sound. Covering every square inch will not gain you much more than covering 25% will. This is not sound "insulation" it is simply mass loading the sheet metal to dampen vibration.
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Old 03-10-2010, 08:36 PM   #14
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one of my buddies did use the "peel-n-seal" stuff from lowes in his blazer. it really did make a huge difference in his truck and so far hasnt had any issues with it! i know its not the best stuff to use, but its better than nothing!
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Old 03-11-2010, 08:19 AM   #15
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Quote:
Originally Posted by wildcatjake View Post
remember, you only need to cover about 25% of the area to effectively dampen the sound. Covering every square inch will not gain you much more than covering 25% will. This is not sound "insulation" it is simply mass loading the sheet metal to dampen vibration.
Would you elaborate on this?
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Old 03-11-2010, 08:47 AM   #16
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Quote:
Originally Posted by jordan 572 View Post
Anyone use this stuff or something similar. I am wondering how much i need.

http://www.dynamat.com/products_car_...trunk_kit.html

looks like 5 18x32 pieces is this enough
I did a thread on camaro5 under: DIY-HOW TO INSTRUCTIONS back on 1/22/10.
I installed Raammat sheets purchased from www.raamaudio.com. One box of their 15x15 peel&stick pads did my entire trunk area including floor, w/hsgs and 1/4 panels. $150.00 shipped. About 47.5 sq ft with a few left over.
Again see my 1/22 thread under DIY-HOW TO INSTRUCTIONS with additional photos.
My new SS is now very quiet and I plan to do the rear seat area soon.
This new Camaro has absolutely NO insulation at all on the unibody.
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Old 03-11-2010, 12:09 PM   #17
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Would you elaborate on this?


Everytime I've seen a vehicle with sound dampener, every square inch is covered, whether it be a door, trunk, floor, headliner, etc etc. If I don't have to do that, that would be fantastic.
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Old 03-13-2010, 08:42 PM   #18
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I'll second RAM Audio. It works great and it's about 1/2 the price of Dynamat.
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Old 03-14-2010, 12:29 AM   #19
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Originally Posted by myold88 View Post
I did a thread on camaro5 under: DIY-HOW TO INSTRUCTIONS back on 1/22/10.
I installed Raammat sheets purchased from www.raamaudio.com. One box of their 15x15 peel&stick pads did my entire trunk area including floor, w/hsgs and 1/4 panels. $150.00 shipped. About 47.5 sq ft with a few left over.
Again see my 1/22 thread under DIY-HOW TO INSTRUCTIONS with additional photos.
My new SS is now very quiet and I plan to do the rear seat area soon.
This new Camaro has absolutely NO insulation at all on the unibody.
so how many square feet did you end up using?
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Old 03-14-2010, 08:48 PM   #20
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posted some coupon codes I got today in that thread.
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Old 03-15-2010, 09:46 AM   #21
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FYI this is a shitty job since the space is so small. I did mine this weekend (trunk only) and it sucked. I ended up doing most of the trunk floor and 3/4 of the wheel humps that I could reach.

I would recommend anyone doing this pick up some kevlar re-enforce gloves, the kind you use if you handle glass. Also pick up the actual dynamat roller. I installed second skin and like it.

Cheers
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Old 03-15-2010, 10:28 AM   #22
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Quote:
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Also pick up the actual dynamat roller.
That would be yet another big flaw with them, that roller they sell is just a $3 wooden craft roller [$3 on ebay] you can buy anywhere local for $5 or less retail.

The only good roller is the metal J-rollers.

Its another one of them flaws I don't like about them.

And one might say well they have to charge so much to run a business
BS they need to charge so much to sponsor racing and such which Im not gonna pay for unless Im getting free tickets.

Its kinda sad like the Eastwood catalog anymore, over half of what you find in it, is the same item sold by harborfreight but at 3 times the price.

We can all see easily how Godaddy is run like that too, use to be a great place but since the CEO now collects women, cause the kind he could get being rich wasn't enough, he needed the kind on his hip that cost millions a year each, I gotta pay a premium for services that were fair priced.
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Old 03-20-2010, 04:47 AM   #23
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Everytime I've seen a vehicle with sound dampener, every square inch is covered, whether it be a door, trunk, floor, headliner, etc etc. If I don't have to do that, that would be fantastic.
check out the link I posted in my original post. Application of CLD (aka dyanamat) is only part of your sound deadener equation. CLD acts as a mass-loading mechanism the prevent sheet metal from vibrating, and thus introducing undesirable noise into your audio system and cabin. Applying this to roughly 25% of the area of your large sheet metal panels (doors, trunk, floor, roof, etc.) effectively dampens the ability of the sheet metal to vibrate.

This is not "sound insulation" in which you need to cover every square inch of your car. Closed-cell foam and mass-loaded vinyl serve this purpose, which you will need to cover as much area as possible with.

Read up more in the link I provided, or go straight to the pros at diyma.com. It will save you a lot of work and money to properly apply sound deadener.
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GMPP 21" Wheels - Volant CAI - XS Power LT's and exhaust - Custom Tune - MGW Short Throw - IOM Heritage Grille - 25% Tint - AAC Amber LED Upgrade, Footwells, and DRL's - JL 10W7 in a Subthump Box - Active Image Dynamics and Vifa Components - Kenwood Amps - Lots of Sound Deadener - Big Worm full tint kit and bowties

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Old 04-14-2010, 08:32 PM   #24
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How about memory foam topper as a sound deadner to lay in trunk? Thick and dense ...can get for $49.00 on overstock.com

Thoughts?
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Old 04-14-2010, 09:33 PM   #25
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im doing my whole car in hushmat as we speak. Hushmat is much easier to work with.
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