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[GMCnet] Restoration. Installing sound reduction material [message #293538] Fri, 08 January 2016 09:19 Go to next message
BobDunahugh is currently offline  BobDunahugh   United States
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Registered: October 2010
Location: Cedar Rapids, IA
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Installing it on the floor. Over the engine area. Then a second layer under the engine cover only. So that I get a little extra clearance above the engine air cleaner. Put in some body pads that are a little thicker. A side note to that. Is that most of the original pads are gone anyway. Next cover the generator cover.Bob Dunahugh78 Royale Morse House
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Re: [GMCnet] Restoration. Installing sound reduction material [message #293539 is a reply to message #293538] Fri, 08 January 2016 10:05 Go to previous messageGo to next message
SteveW is currently offline  SteveW   United States
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Bob -

I'm also planning on some sound reduction material... what did you select ??

Thanks,
Steve W
1973 23'
Southern California



Steve W 1973 : 23' Southern California
Re: [GMCnet] Restoration. Installing sound reduction material [message #293545 is a reply to message #293539] Fri, 08 January 2016 11:26 Go to previous messageGo to next message
Dolph Santorine is currently offline  Dolph Santorine   United States
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I did FatMat in the cockpit (or BoxOffice, depending on who’s driving).

I’m in process on mass loaded vinyl in the living area.


Dolph

DE N8JPC

Wheeling, West Virginia

1977 26’ ex-PalmBeach
1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010

“The Aluminum and Fiberglass Mistress"





> On Jan 8, 2016, at 11:05 AM, Steve Weinstock wrote:
>
> Bob -
>
> I'm also planning on some sound reduction material... what did you select ??
>
> Thanks,
> Steve W
> 1973 23'
> Southern California
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: [GMCnet] Restoration. Installing sound reduction material [message #293548 is a reply to message #293538] Fri, 08 January 2016 13:39 Go to previous messageGo to next message
BobDunahugh is currently offline  BobDunahugh   United States
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Senior Member

For what I used. Go to www.FatMat.com Bob


Installing it on the floor. Over the engine area. Then a second layer under the engine cover only. So that I get a little extra clearance above the engine air cleaner. Put in some body pads that are a little thicker. A side note to that. Is that most of the original pads are gone anyway. Next cover the generator cover.Bob Dunahugh78 Royale Morse House
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Re: [GMCnet] Restoration. Installing sound reduction material [message #293574 is a reply to message #293538] Fri, 08 January 2016 23:02 Go to previous messageGo to next message
Ken Henderson is currently offline  Ken Henderson   United States
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Registered: March 2004
Location: Americus, GA
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When I installed carpet in the cockpit 15+ years ago I put 1/2" thick
hypoallergenic carpet pad beneath it. I've never been happy with the
resultant interface between those and the footwell rubber pad. The carpet
edge is still visible on the footwell side of the aluminum trim strip,
which is now about 3/4" higher than the footwell pad. Has anyone devised a
good way to make that interface look good, especially with even thicker
soundproofing?

Ken H.


On Fri, Jan 8, 2016 at 10:19 AM, Bob Dunahugh wrote:

> Installing it on the floor. Over the engine area. Then a second layer
> under the engine cover only. So that I get a little extra clearance above
> the engine air cleaner. Put in some body pads that are a little thicker. A
> side note to that. Is that most of the original pads are gone anyway. Next
> cover the generator cover.Bob Dunahugh78 Royale Morse House
> _______________________________________________
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
Re: [GMCnet] Restoration. Installing sound reduction material [message #293596 is a reply to message #293574] Sat, 09 January 2016 08:52 Go to previous messageGo to next message
Dolph Santorine is currently offline  Dolph Santorine   United States
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
Senior Member
Ken:

The downside of the materials like FatMat is cost, but it’s .1 inch thickness lets you do a lot of things.

I ran it up to the foam pad in the bottom of the footwell, and then put the carpet under the rubber footwell pad.




Dolph

DE N8JPC

Wheeling, West Virginia

1977 26’ ex-PalmBeach
1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010

“The Aluminum and Fiberglass Mistress"





> On Jan 9, 2016, at 12:02 AM, Ken Henderson wrote:
>
> When I installed carpet in the cockpit 15+ years ago I put 1/2" thick
> hypoallergenic carpet pad beneath it. I've never been happy with the
> resultant interface between those and the footwell rubber pad. The carpet
> edge is still visible on the footwell side of the aluminum trim strip,
> which is now about 3/4" higher than the footwell pad. Has anyone devised a
> good way to make that interface look good, especially with even thicker
> soundproofing?
>
> Ken H.
>
>
> On Fri, Jan 8, 2016 at 10:19 AM, Bob Dunahugh wrote:
>
>> Installing it on the floor. Over the engine area. Then a second layer
>> under the engine cover only. So that I get a little extra clearance above
>> the engine air cleaner. Put in some body pads that are a little thicker. A
>> side note to that. Is that most of the original pads are gone anyway. Next
>> cover the generator cover.Bob Dunahugh78 Royale Morse House
>> _______________________________________________
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: [GMCnet] Restoration. Installing sound reduction [message #293604 is a reply to message #293538] Sat, 09 January 2016 10:44 Go to previous message
Botts Chuck is currently offline  Botts Chuck   United States
Messages: 43
Registered: May 2015
Karma: -9
Member
I used a sound reduction paint that is used by sailboaters for their diesel motors. 6-8dBa reduction at $110/gal It is called Silent-Running SR500. The manufacture recommends ~1/16” thickness and supplies a thickness gage. It took me one afternoon to build up seven layers here in dry and sunny San Diego. It is water based so humidity effects drying time. It reduces the noise of my flat tappets. I painted the wood around the motor compartment.
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