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12/3/12 11:29pm - Original Message: 'Dynamat '
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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12/3/12 11:56pm - Reply: 'Re: Dynamat '
Adams' Apple Lifetime 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

Joined: 11/8/2003
Posts: 19448
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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Joel Adams
C3VR Lifetime Member #56    
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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12/4/12 12:05am - Reply: 'Re: Dynamat '
Chase71
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Elkridge, MD - USA

Vette(s):
1971 convertible

Joined: 5/25/2012
Posts: 43
Cool. Thanks Joel.

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12/4/12 2:03pm - Reply: 'Re: Dynamat '
Adams' Apple Lifetime 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

Joined: 11/8/2003
Posts: 19448
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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Joel Adams
C3VR Lifetime Member #56    
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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12/4/12 2:23pm - Reply: 'Re: Dynamat '
JohnRR
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Joined: 2/22/2011
Posts: 110
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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1973 BB 4-Speed Coupe Project Car
2009 Z06 Mostly Stock
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12/4/12 4:57pm - Reply: 'Re: Dynamat '
DaveM Lifetime 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: 2530
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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Dave's '82


   
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12/4/12 6:35pm - Reply: 'Re: Dynamat '
Norsky Lifetime Member
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Twin Lakes, CO - USA

Vette(s):
SOLD - "The Toy" - 1970 Convertible
SOLD - "The Beast" - 1990 ZR-1 (#682)
"BLKBRRD" - 1978 Trans Am, 400ci/285hp, 4 spd, Black w/black interior, Hurst t-tops

Joined: 1/23/2002
Posts: 6712
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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Jim Olson 

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12/4/12 6:51pm - Reply: 'Re: Dynamat '
JohnRR
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Joined: 2/22/2011
Posts: 110
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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1973 BB 4-Speed Coupe Project Car
2009 Z06 Mostly Stock
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12/4/12 8:43pm - Reply: 'Re: Dynamat '
Sarge81 Lifetime 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.

Joined: 12/3/2001
Posts: 2376
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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GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


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12/4/12 8:55pm - Reply: 'Re: Dynamat '
DaveM Lifetime 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: 2530
I wasn't concerned with noise, just heat, but it did help a bit with the noise.
Dave


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Lifetime Member #116
Dave's '82


   
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12/4/12 9:38pm - Reply: 'Re: Dynamat '
ROCKRDR
Former Member
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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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1975 Corvette Coupe 
My first Vette.....trying to fix stuff

My Project:
https://docs.google.com/folder/d/0B6uOAIjGf3cWejQ5TjNkcVRybGs/edit
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12/5/12 2:05am - Reply: 'Re: Dynamat - I found combination of dynamat and heatshield worked gre'
airmed_pilot1
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Joined: 11/17/2012
Posts: 24


|UPDATED|12/4/2012 11:05:33 PM (AZT)|/UPDATED|


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12/5/12 2:04am - Reply: 'Re: Dynamat - I found dynamat plus heat shield combo worked great!'
airmed_pilot1
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Joined: 11/17/2012
Posts: 24



|UPDATED|12/4/2012 11:04:40 PM (AZT)|/UPDATED|


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12/6/12 10:19am - Reply: 'Re: Dynamat '
Chase71
Former Member
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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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12/6/12 3:41pm - Reply: 'Re: Dynamat '
steves74 Lifetime 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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Steve, Lifetime Member #129

74 coupe 4 speed 350, 54K actual miles,
all original; paint, interior, engine,
split  bumper. #'s match. 2nd owner, no stress cracks.
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12/6/12 7:58pm - Reply: 'Re: Dynamat '
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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12/6/12 9:35pm - Reply: 'Re: Dynamat '
ROCKRDR
Former Member
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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!?

____________________________________
1975 Corvette Coupe 
My first Vette.....trying to fix stuff

My Project:
https://docs.google.com/folder/d/0B6uOAIjGf3cWejQ5TjNkcVRybGs/edit
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12/6/12 11:33pm - Reply: 'Re: Dynamat '
airmed_pilot1
Former Member
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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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12/7/12 9:49am - Reply: 'Re: Dynamat '
fp_vetter72 Lifetime Member
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COPPERAS COVE, TX - USA

Vette(s):
1972 corvette stingray convertible 2007 coupe

Joined: 7/6/2002
Posts: 412
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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12/7/12 9:33pm - Reply: 'Re: Dynamat '
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

Joined: 1/28/2010
Posts: 763
http://www.streetsideauto.com/p/dynamat-10455/


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


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Dan T
 

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