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Old Dec 17, 2009 | 04:53 PM
  #1  
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Default Dynamat

Thinking about doung dynamat install and am curious. How much down time should I expect to do it right?
Any traps? Is it a good investment of time?

Thanks and Happy Holidays.
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Old Dec 17, 2009 | 06:43 PM
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Originally Posted by vettman96
Thinking about doung dynamat install and am curious. How much down time should I expect to do it right?
Any traps? Is it a good investment of time?

Thanks and Happy Holidays.
Takes a few days, you have to remove the entire interior and door panels to install it.

A long weekend working some long hours you should get it done.
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Old Dec 17, 2009 | 07:02 PM
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Took me about 4-5 LONG days to do "EVERYTHING".

http://forums.corvetteforum.com/c5-g...g-article.html

It is a great investment if you are planning on "keeping" the car - money and time to the wind if you plan on selling it IMO.
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Old Dec 17, 2009 | 08:17 PM
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There are much better products than Dynamat. Raamat and Second Skinds products come to mind.
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Old Dec 17, 2009 | 08:28 PM
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Originally Posted by Lancejoker
There are much better products than Dynamat. Raamat and Second Skinds products come to mind.
I spoke to the second skin people, very knowledgeable vendor and have done a lot of Vette’s; about 500 bucks and your Vette will be quite as a Lincoln, doing mine in the spring
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Old Dec 17, 2009 | 08:29 PM
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Cover 25% of the center of large, flat resonant panels. Any more than that is a waste of time, money, effort and weight.

Don't expect a reduction in road noise, it's a viscoelastic damping material not a sound barrier.

Also, you will never get a vette luxury-car quiet. It simply isn't possible unless you're either deaf or include ear plugs as part of your plan.
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Old Dec 17, 2009 | 08:36 PM
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I gutted my whole interior, then put down 1/8" closed cell foam with spray adhesive, and then put foil insulation over that and it took me seven hours.
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Old Dec 17, 2009 | 08:36 PM
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Originally Posted by Lancejoker
There are much better products than Dynamat. Raamat and Second Skinds products come to mind.
I did half my car with Dynamat and then switched to RaaMat half way through. The RaaMat was cheaper and MUCH EASIER TO WORK WITH and I got the same results. With the Dynamat my fingers looked like they had been sliced by 100 razor blades - no cuts on my hands with the RaaMat and much easier to cut and mold.

I also used Ensolite as a top layer over all the Dynamat/RaaMat for sound insulation.
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Old Dec 17, 2009 | 09:15 PM
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I did the rear section of my coupe and took me most part of a day to install Fatmat
and then some foam overtop to keep the exterior noise down.
Here are some photos, also did both doors with the Fatmat that took a day.


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Old Dec 17, 2009 | 09:23 PM
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Originally Posted by NOT2MELO
I did the rear section of my coupe and took me most part of a day to install Fatmat
and then some foam overtop to keep the exterior noise down.
Here are some photos, also did both doors with the Fatmat that took a day.


That looks really good, you did a great job
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Old Dec 17, 2009 | 09:31 PM
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Am a second skin, fan, took me 5 days, I wasn't in a rush or hurrying.
The result was well worth the effort.
Good Luck on your product choice and the project.
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Old Dec 17, 2009 | 09:54 PM
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1) Don't use an asphalt product (My info may be out of date, fatmat might be butyl now.
2) Don't cover the entire car. You could get 95% of that benefit from 25% of that material.
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Old Dec 17, 2009 | 10:28 PM
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Kale is right about not covering the entire car. You're only trying to kill vibrations in the panels
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Old Dec 17, 2009 | 10:36 PM
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Second skin is superior to dynamat in price and quality.

Key areas:

Door panels (inside wall and outside wall)
Wall Behind seats
Cargo area

Took me WAY longer than most because i was installing a complete system and building an amp rack at thee same time. Assuming you're JUST doing dynamat, it can be knocked out in 1 day if you're persistant, but i'd suggest at least 2 solid days to do it right.

and i'd use a 2-handed roller and shop gloves wheen applying it.
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Old Dec 17, 2009 | 10:51 PM
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Originally Posted by Lancejoker
Kale is right about not covering the entire car. You're only trying to kill vibrations in the panels
Lance,
Is there a diagram as to the areas to be covered?


Martin
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Old Dec 17, 2009 | 11:09 PM
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Definately a do-it-yourself and worth it. I think I spent 18 hours on my 350Z. Take your time and pull as much carpet, seats and coverings as you can. When its done its very rewarding
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Old Dec 17, 2009 | 11:46 PM
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I had 2 boxes of dynamat before i learned about second skin:







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Old Dec 18, 2009 | 12:49 AM
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There's no diagram. Look for large, flat areas. eyeball about 25% of it, slap thje stuff in the middle.

Don't bother putting mat on corners or bends though.
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