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Topic: Dynamat

in Forum: C3 Interior


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Dynamat (1/21)
 12/3/12 11:29pm
Chase71
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Elkridge, MD - USA

Vette(s):
1971 convertible


Joined: 5/25/2012
Posts: 43

Does anyone have experience with Dynamat products. My car is in the paint shop and the interior will be taken out. I have the opportunity to add some thing and am looking at this type of product. Thanks, Jason

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Re: Dynamat (2/21)
 12/3/12 11:56pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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Quite a few fellers here have used it, and I think everyone has been pleased with the results. I haven't tried it myself....yet.

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Re: Dynamat (3/21)
 12/4/12 12:05am
Chase71
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Elkridge, MD - USA

Vette(s):
1971 convertible


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Cool. Thanks Joel.

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Re: Dynamat (4/21)
 12/4/12 2:03pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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Jason, if you do a search here for "dynamat", you'll find several threads on different types of insulation, and member's opinions/experiences with them. I'm surprised no-one else has chimed in on it...

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Re: Dynamat (5/21)
 12/4/12 2:23pm
JohnRR
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Dynamat is heavy and expensive.  I did the interior of my '73, and then covered that with Dynapad to block the heat.  Be aware of adding too much thickness in areas that might prevent re-assembly of things like the console.


let us know how it turns out,
John


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Re: Dynamat (6/21)
 12/4/12 4:57pm
DaveMLifetime Member
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Flanders, NJ - USA

Vette(s):
1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.


Joined: 1/27/2004
Posts: 2552

I used stuff from Lowes, it's about 1/8" thick silver foil over a foam I think. Can't remember the name. It's in the insulation department, comes in rolls. It form fits very easily and works great.
I used the aluminum tape (for duct work) to seal the seams. Just a thought.
Dave


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Re: Dynamat (7/21)
 12/4/12 6:35pm
NorskyLifetime Member
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West Burke, VT - USA

Vette(s):
SOLD - "The Toy" - '70 Convertible
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Used it when putting "BIGBRRD" back together.  As mentioned above I just made sure to trim it back a little where there would be some fitment issues.  It has helped to quiet the interior down some and reduce the heat from the exhaust system.

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Re: Dynamat (8/21)
 12/4/12 6:51pm
JohnRR
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Dave, I believe that the foil faced foam is for heat only.  The Dynamat has to go down first and be firmly attached to the panel, then the Dynapad or Reflectics (foil faced foam) goes on top of that.

John



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Re: Dynamat (9/21)
 12/4/12 8:43pm
Sarge81Lifetime Member
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WEST SENECA, NY - USA

Vette(s):
1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.


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I used Dynamat from front to rear. It quieted down road noise a noticeable amount and really cut down on the heat when I had the full exhaust w/cats. My wife did notice that the heat was cut down considerably. Her legs and feet didn't cook like they used to. Along with my tinted windows and shades for the glass t-tops the A/C worked a lot better.

It is heavy and expensive, but that wasn't about to sway my decision from using it. I figure I already had and still have stupid amounts of money in a car that I will never recoup. But I never built this car to be an investment.

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Re: Dynamat (10/21)
 12/4/12 8:55pm
DaveMLifetime Member
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Flanders, NJ - USA

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1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.


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I wasn't concerned with noise, just heat, but it did help a bit with the noise.
Dave


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Re: Dynamat (11/21)
 12/4/12 9:38pm
ROCKRDR
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Lakeside, AZ - USA

Vette(s):
1975 C3 Stingray


Joined: 7/23/2012
Posts: 126

DaveM said: I used stuff from Lowes, it's about 1/8" thick silver foil over a foam I think. Can't remember the name. It's in the insulation department, comes in rolls. It form fits very easily and works great.
I used the aluminum tape (for duct work) to seal the seams. Just a thought.
Dave


I did the same thing, I put bed-liner down, than the foam stuff and topped it with a felt type padding. as for fitment I don't know yet haven't got it together Confused




|UPDATED|12/4/2012 6:38:28 PM (AZT)|/UPDATED|


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Re: Dynamat - I found combination of dynamat and heatshield worked gre (12/21)
 12/5/12 2:05am
airmed_pilot1
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|UPDATED|12/4/2012 11:05:33 PM (AZT)|/UPDATED|


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Re: Dynamat - I found dynamat plus heat shield combo worked great! (13/21)
 12/5/12 2:04am
airmed_pilot1
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|UPDATED|12/4/2012 11:04:40 PM (AZT)|/UPDATED|


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Re: Dynamat (14/21)
 12/6/12 10:19am
Chase71
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Elkridge, MD - USA

Vette(s):
1971 convertible


Joined: 5/25/2012
Posts: 43

Thanks everyone for the responses and experiences. Especially thanks Pilot for the pictures. That is an impressive job! I'm doing it for the reasons you all noted. Heat...noise...and everything else! I'll let you know how it turns out. Jason

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Re: Dynamat (15/21)
 12/6/12 3:41pm
steves74Lifetime Member
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Klamath Falls, OR - USA

Vette(s):
74 coupe 4 speed 350, 54K actual miles, all original; paint, interior, engine, split bumper. #'s match. 2nd owner, no stress cracks.


Joined: 2/1/2006
Posts: 1059

I just bought some of that foil and foam adhesive  from Lowes.
Not for my vette, but for my motorhome.

The stuff from Lowes...
The brand is Frost King Duct Insulation.
12" wide 1/8" thick x 15 feet for $18.77.  Plus tax.
R Value is 3.0
Looks like a real quality product with good adhesive.

I have not used Dynamat, so do not what difference there is.  Price wise or otherwise.
What is the difference?






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74 coupe 4 speed 350, 54K actual miles,
all original; paint, interior, engine,
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Re: Dynamat (16/21)
 12/6/12 7:58pm
Mamelukesword
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Gainesville, FL - USA

Vette(s):
1974 coupe, 1978 coupe


Joined: 7/14/2012
Posts: 32

I'm in the middle of an interior upgrade. I used a combination of dynamat and insulation. I originally started out to just use the insulation then a friend gave me a few pieces of dynamat.......the stuff is terrific and goes down real easy. For my next car I will plan on a combination of the products.

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Re: Dynamat (17/21)
 12/6/12 9:35pm
ROCKRDR
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Lakeside, AZ - USA

Vette(s):
1975 C3 Stingray


Joined: 7/23/2012
Posts: 126

I think the dynamat is butyl based correct me if I'm wrong!?

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My first Vette.....trying to fix stuff

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Re: Dynamat (18/21)
 12/6/12 11:33pm
airmed_pilot1
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Joined: 11/17/2012
Posts: 24

@ Steve. I too used the Frost King Duct Insulation from Lowes, laying it over the top of dynamat in much of the cockpit. Dynamat is a sound-insulating material, whereas the Frost King provides a thermal barrier. The thermal insulation signficantly reduced the amount of heat radiating into the cockpit from the catalytic converter - which ultmately made my air-conditioner more effective on warm summer days (as did tinting)

|UPDATED|12/6/2012 8:33:11 PM (AZT)|/UPDATED|


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Re: Dynamat (19/21)
 12/7/12 9:49am
fp_vetter72Lifetime Member
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COPPERAS COVE, TX - USA

Vette(s):
1972 corvette stingray convertible 2007 coupe


Joined: 7/6/2002
Posts: 417

Check eastwood products, they have sales on thier brand and it is the same thing as dynamat. I used the both products and could not tell any differance.

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Re: Dynamat (20/21)
 12/7/12 9:33pm
danascar
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Germansville, PA - USA

Vette(s):
1974 Coupe 358ci 4 speed Black w/Medium Saddle interior w/79 custom leather seats. . 1999 C5 Convertible, 6 speed, Atomic orange, Oak interior.


Joined: 1/28/2010
Posts: 858

http://www.streetsideauto.com/p/dynamat-10455/


|UPDATED|12/7/2012 6:33:24 PM (AZT)|/UPDATED|


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Re: Dynamat (21/21)
 12/16/12 7:07pm
nextdoor76
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Kimberling City, MO - USA

Vette(s):
1976 Stingray


Joined: 12/2/2012
Posts: 49

Ok will try once again to post here (G). Has anyone used the Ensolite products and if so , how were you results...I seem to be leaning to their product. Less $$$ then the other brand....thanks in advance.....


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