Home » Public Forums » GMCnet » [GMCnet] Dynamat. Anyone use it for sound reduction?
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290457 is a reply to message #290439] |
Tue, 17 November 2015 09:37   |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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BobDunahugh wrote on Mon, 16 November 2015 22:31I'm thinking about using it over the engine, rear wheel inter fenders, and generator.
Bob Dunahugh
2-78 Royale's
1- 73 GMC
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Lowes, Home Depot, etc sells a product that does virtually the same thing for way less money:
http://www.lowes.com/pd_154017-81326-PS625_1z0vivl__
Read some of the reviews. People are using it the same way as Dynamat and getting the same results for a fraction of the cost.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
[Updated on: Thu, 19 November 2015 08:02] Report message to a moderator |
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290458 is a reply to message #290439] |
Tue, 17 November 2015 09:38 |
xplorid
Messages: 213
Registered: February 2012
Location: Boise
Karma: 0
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Hello Bob and all - I have used Second Skin audio to deaden sound in the cockpit. I can have a normal conversation with someone in the passenger seat with the stereo on, going 70mph. I applied Damplifier (like dynamat) to the bare floor and engine hatch, then Luxury Liner Pro on top. Very easy with the seats out, and I ran it up the sides. Only challenge was the extra 3/8" to the floor, so I had to shave the bottoms of the cockpit side panels. Hope that helps.
Jeff
1974/94 GMCII by Explorer
Manny 6.5 TD Al radiator
1 ton front 4 bags back
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290460 is a reply to message #290458] |
Tue, 17 November 2015 09:51 |
Bob S.
Messages: 143
Registered: October 2012
Location: Rapid City, SD
Karma: 2
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Bob, I did some research on a lot of these types of products when I renovated my Royale. I used a product called Megamat(by Fatmat)and it was rated very close to Dynamat but was a lot less money. This is there website: http://www.fatmat.com. This is a butyl product and does not produce the unpleasant odor that many similar products do. I am very happy with the results I got. It reduces engine noise and heat considerably. I used it from the firewall back to the door. If I would have had the back half of the coach gutted, I would have done the entire floor. Hope this gives you some ideas.
Bob and Pam Schilling
Rapid City, SD
"78 Royale
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290467 is a reply to message #290466] |
Tue, 17 November 2015 15:22 |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
Karma: -3
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When I remodeled the front half of our coach, I used 2 types of Edead,
one is for low frequencies and one for high. I put in on the entire
floor from the firewall back to the door and 2' up the sides including
the cab sides. In my opinion it works great!
http://tiny.cc/xrwb6x
On Tue, Nov 17, 2015 at 1:06 PM, Sean Kidd wrote:
>
> --
> Sean and Stephanie
> 73 Ex-CanyonLands 26' #317 "Oliver"
> Hubler 1-Ton, Quad-Bags, Rear Disc, Reaction Arms, P.Huber TBs, 3.70:1 LSD Honda 6500 inverter gen.
>
> Colonial Travelers
>
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--
Ray Erspamer
78 Royale - "The Great Lakes Eagle"
Center Kitchen TZE368V101144
Wauwatosa, Wisconsin 53226
Email: 78GMCRoyale@gmail.com
414-484-9431
Web Site: http://ray-lisa.page.tl/
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Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290479 is a reply to message #290470] |
Tue, 17 November 2015 19:06 |
Glenn
Messages: 92
Registered: February 2004
Location: Northwestern Ontario
Karma: 2
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Bob
I installed this product on the underside while the drive train was out. Added aluminum strips at the seams with mechanical fasteners to ensure it would stay put. More than happy with the results
HTH.........
Glenn
76 Glensbroke
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290497 is a reply to message #290467] |
Tue, 17 November 2015 22:33 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Sean
I did the entire drive deck with Fatmat (an equal) and I'm thrilled. So much that it's going under the rest of the floor.
Don't forget to do the panels under the toll windows.
Dolph Santorine
DE N8JPC
Wheeling, West Virginia
1977 ex-Palm Beach TZE167V100820
1-ton, Sullybuilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010,
> On Nov 17, 2015, at 4:22 PM, Ray Erspamer wrote:
>
> When I remodeled the front half of our coach, I used 2 types of Edead,
> one is for low frequencies and one for high. I put in on the entire
> floor from the firewall back to the door and 2' up the sides including
> the cab sides. In my opinion it works great!
>
> http://tiny.cc/xrwb6x
>
>
>> On Tue, Nov 17, 2015 at 1:06 PM, Sean Kidd wrote:
>>
>> --
>> Sean and Stephanie
>> 73 Ex-CanyonLands 26' #317 "Oliver"
>> Hubler 1-Ton, Quad-Bags, Rear Disc, Reaction Arms, P.Huber TBs, 3.70:1 LSD Honda 6500 inverter gen.
>>
>> Colonial Travelers
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
>
> --
> Ray Erspamer
> 78 Royale - "The Great Lakes Eagle"
> Center Kitchen TZE368V101144
> Wauwatosa, Wisconsin 53226
> Email: 78GMCRoyale@gmail.com
> 414-484-9431
> Web Site: http://ray-lisa.page.tl/
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290513 is a reply to message #290439] |
Wed, 18 November 2015 09:06 |
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SeanKidd
Messages: 747
Registered: June 2012
Location: Northern Neck Virginia
Karma: 4
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Senior Member |
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Good idea Dolph, I did supplement the insulation with 1/2" polystyrene and the doublebubble, but the sound deadener would work better for road noise.
One other thing I did...I took a Walmart oil drip pan, 2'x3' and screwed it to the underside of the floor using 1" spacers, then filled the void with fire stop expanding foam...be sure to support the metal well do the foam doesn't distort it. This protects my floor from the heat of the mufflers.
Sean and Stephanie
73 Ex-CanyonLands 26' #317 "Oliver"
Hubler 1-Ton, Quad-Bags, Rear Disc, Reaction Arms, P.Huber TBs, 3.70:1 LSD Honda 6500 inverter gen.
Colonial Travelers
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| Re: [GMCnet] Dynamat. Anyone use it for sound reduction? [message #290564 is a reply to message #290563] |
Thu, 19 November 2015 02:55 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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It's the same as the roofing material.
Dolph Santorine
DE N8JPC
Wheeling, West Virginia
1977 ex-Palm Beach TZE167V100820
1-ton, Sullybuilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010,
> On Nov 19, 2015, at 12:35 AM, Bob Dunahugh wrote:
>
> Dynamat isn't a roofing material. It's made to control heat, or sound.
> Bob Dunahugh
> 2-78 Royale's
> 1- 73 GMC
>
> _______________________________________________
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> Unsubscribe or Change List Options:
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). doesn't sound like much until you try to pick up a roll. 4'x25' weighs over 100 lbs.