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[GMCnet] Insulating under cockpit carpet [message #322271]

Thu, 17 August 2017 18:56

ron preston

Messages: 46
Registered: November 2016

Karma: 1

Member

I just received my new vintage air thru Jim K but want to install new
carpet before I install the AC unit. Do you folks have any new high tech
super insulating carpet pad or other methods you use under the carpet. I've
just used a thick carpet pad previously.
Thanks
Ron Preston 75 Glenbrook Headers Alcoas etc.
San jose
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Re: [GMCnet] Insulating under cockpit carpet [message #322273 is a reply to message #322271]

Thu, 17 August 2017 19:54

Justin Brady

Messages: 769
Registered: April 2015
Location: Bell Buckle, TN

Karma: 11

Senior Member

Mass loaded vinyl.
made a HUGE difference in my coach.
Huge difference.

Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455

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Re: [GMCnet] Insulating under cockpit carpet [message #322277 is a reply to message #322273]

Thu, 17 August 2017 20:52

johnd01

Messages: 354
Registered: July 2017
Location: Sacrameot

Karma: -1

Senior Member

Justin,
Mass loaded vinyl looks good for sound attenuation, how is it for
temperature insulation?

On Thu, Aug 17, 2017 at 5:54 PM, Justin Brady wrote:

> Mass loaded vinyl.
> made a HUGE difference in my coach.
> Huge difference.
> --
> Justin Brady
> http://www.thegmcrv.com/
> 1976 Palm Beach 455
>
> _______________________________________________
> GMCnet mailing list
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--

*John Phillips*
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Johnd01 John Phillips Avion A2600 TZE064V101164 Rancho Cordova, CA (Sacramento)

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[GMCnet] Insulating under cockpit carpet [message #322280 is a reply to message #322271]

Thu, 17 August 2017 22:24

ron preston

Messages: 46
Registered: November 2016

Karma: 1

Member

Thanks Justin/ John , yes the mass vinyl does look great for sound, I am
also.looking for a thermal barrier (hence my vintage air) I have some
super duty silver "bubble wrap" used below radiant heat systems that I may
try for the thermal part with the mass vinyl on top?
Ron Preston
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Re: [GMCnet] Insulating under cockpit carpet [message #322291 is a reply to message #322277]

Fri, 18 August 2017 07:57

Justin Brady

Messages: 769
Registered: April 2015
Location: Bell Buckle, TN

Karma: 11

Senior Member

John, it does a good job of that as well. I can't remember the brand of mine, but it's about 3/4" thick and does a good job of heat barrier too.
While driving down the interstate all day my floors are warm but never hot.
I also have 2 full layers of dynamat like material (Noico) with foil that helps with heat.

I drove to Indianapolis (5 hrs) with only the dynamat and the noise level was awful. Put in the MLV and now it sounds like a new car. I barely hear the engine or road noise unless the fan (afterburner) comes on.

Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455

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