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Dynamat vs other noise reducing products?

mrluhman

mrluhman

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I am in the process of installing a new carpet kit. Since I have all the old stuff pulled out I was going to use Dynamat or the LMC stuff to line the floor pans before I install the heat and sound insulators and then finally the carpet. I have heard it makes a big difference in making the cab quieter. Has anybody ever done this to their Burb/Blazer and it it worth the cost? Does anyone have any info about how much I would need to do this correctly? LMC sells it in 12x23" sheets which seems pretty small but leads me to believe that I dont need to cover the entire floor. Its vague in the discription but it sounds like the more u use the quieter it becomes. Is there any difference in the Dynamat vs the LMC stuff...or better yet is there something as good but cheaper with the same ease of instalation?
 
I did the entire floor in dynamat extreme. It took 2 bulk packs. As I love my dynamat,as it made a HUGE difference in my blazer. It feels more solid altogether, quieter, and cooler from exhaust and drivetrain heat. There are cheaper alternatives out there.

Lizard skin is one. I think there are a few others that are good but cheaper. Just depends on your budget and what you're wanting as there are a few different types to choose from.
 
If you want to do it right... Dynamat all the way. I am an audio installer and install it alot. I have used other products and nothing comes close to Dynamat Extreme. Save your money and do it right the first time!!!
 
Its $$$. But probably worth it. BUT, a k5 is a lot smaller than a burb. Wish i had done something under the headliner in teh burb, but couldn't find anythign within my budget at the time.

Also, keep this roof area in mind, i heard it helps A LOT.
 
I did some research on this a while ago, but got sidetracked and never pulled the trigger.

The bottom line is this: if you buy the Dynamat brand you're getting raped on price because of the name.

One very inexpensive product used to combat resonance is Peel & Seal and it's sold in the roofing section of Lowe's/Home Depot. It is essentially the same thing as original Dynamat - a rubberized asphalt layer under polymer film and aluminum layers.

eDead is another good alternative: http://www.edesignaudio.com/index.php?cPath=1_24

There are two types of sound you're trying to kill with these products: resonance and leakage. Resonance comes from panels vibrating, leakage comes from engine/road/wind/etc noise making its way into the cab.

You can defeat resonance by covering only 1/4 of the surface if you do it correctly. Leakage can be defeated by sealing gaps and layering over surfaces that transmit exterior sounds directly into the cab. My eventual plan in my pickup is to use Peel & Seal, a carpet kit, and new door seals.
 
Thanks as an audio installer that means a lot. I am not planning to put in any big subs or anything but a quiet ride is important as its my daily driver. I am finding bulk Xtreme packs for between $120-$160 on ebay as I dont have a vendor that sells it here. I want it done right so the cost isnt a huge issue. I just wanted to ask the brotherhood to make sure I wasnt missing a just as good product. I had always heard good things about Dynamat but know there is some fluff cost added from the celebrity endorsements...but in this case maybe thats why Overhaulin uses it...bc its the best.
 
Peel and Seal, huh, wanted to find something at home depot.

Thanks!
 
What Longbedder said, the edead and dynamat will both stop resonance very well (i think edead is cheaper btw) but if you want to stop road noise and altogether noise from the outside you will also have to use a closed cell neoprene deadener which elemental designs has (teklite).
 
Also, i would do some research on dynomat. you will find an overwhelming number of people who dont think it's the best.
 
I almost forgot - original Dynamat is an asphalt product (like Peel & Seal). Dynamat Extreme is a butyl rubber prduct.

Other, cheaper butyl rubber products are RAAMat, Fatmat extreme, and Ice Guard (another home improvement store product).
 
One very inexpensive product used to combat resonance is Peel & Seal and it's sold in the roofing section of Lowe's/Home Depot. It is essentially the same thing as original Dynamat - a rubberized asphalt layer under polymer film and aluminum layers.


There are two types of sound you're trying to kill with these products: resonance and leakage. Resonance comes from panels vibrating, leakage comes from engine/road/wind/etc noise making its way into the cab.

You can defeat resonance by covering only 1/4 of the surface if you do it correctly. Leakage can be defeated by sealing gaps and layering over surfaces that transmit exterior sounds directly into the cab. My eventual plan in my pickup is to use Peel & Seal, a carpet kit, and new door seals.[/quote]

You are mostly right. Number one all dynamat is not created equal. Original dynamat is nothing like dynamat extreme. Side by side they are completely different. I would personally never use the original. Number two you are trying to eliminate the vibration of the metal structure not the panels themselves. The other products you speak of would technically work but will not stick as well to thefloor. To have optimal sound deadening it needs to contour to the floor evenely. I have found that a good prep job is key. AS the temp goes up competing products will start to lift and leave you with a black gooey mess.
 
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This is how it should look!
 
The ease of use is key for me too. I saw that there were some spray and roll on products but it was the peel and stick I liked best. Not having the extra hassle in the application is worth something to me.
 
I thought I was the only one who used scrap pieces of dynamat to hold the stereo wires in place..HAHA.

I bought mine bulk kits from eastwood products. There are cheaper places out there I am sure.

I used one complete bulk kit in the front, to where the back seat floor rises up. And one complete kit for the bed. I put it on the entire floor and wheel wells. I already had dynamat on the bedsides, and also I stuffed the bedsides full of jute padding to reduce any resonance created by my speakers in the sides, and for heat retention in the winter.
 
mrluhman said:
The ease of use is key for me too. I saw that there were some spray and roll on products but it was the peel and stick I liked best. Not having the extra hassle in the application is worth something to me.
Click to expand...

trust me, it's not as easy as "peel and stick". you have to roll all the creases and air bubbles, i think the spray and roll would be easier but I think the butyl rubber is a better product.
 
http://www.secondskinaudio.com/

Check out Second Skin Audio. They have a great line-up of product for auto sound deadening. I covered my roof and side pannels in their Damplifier product and it has made a good difference.
Imagine the sound of shaking a large piece of sheet metal. This product dampens that sound. They also sell insulation type products to absorb sound.
 
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