| [GMCnet] A fast and simple way to reduce noise [message #259581] |
Thu, 21 August 2014 09:27  |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Amazon sells several different brands of noise reduction sheet goods. The one I purchased was "FatMat 25 Sq Ft x 50 mil Thick Self-Adhesive FatMat Sound Deadener Bulk Pack w/Install Kit" for $54.99. I used my prime account to purchased two of these with free shipping.
I removed the front carpet in the Clasco, cleaned the floor area really well and then put one pack down from as high up on the fire wall as I could get down to the front of the seat mounts all the way across. Then I installed a layer on each side of the hatch cover, securing those layers with staples as well. Smaller pieces went under the seats inside the seat mounts and down the sides of the seat mounts. The stuff really sticks and once rolled into place would be hard to remove so I don't think there will be any shifting or heat release in use.
The second pack I used to line the outside of the generator compartment under the rear bed. When completed I had one sheet left over. I am tempted to line the inside of the generator door or the outside face of the generator itself, but not sure either would do much good. The whole project took a couple of hours.
For a bit more ($62.99) you can get a thicker material that is 80mil. I don't have any experience with whether that thickness difference would matter in our applications. Somewhere I read that it does no good to double up these layers as the second layer only adds about 10% of the sound attenuation of the first layer.
A couple of years ago I followed Chuck Bott's suggestion and painted Silent Running on the bottom of the front floor in the Royale. That seemed to help quite a bit but last winter when we were in Mexico my brother had some left over sheet material that had been used on his SOB following an engine replacement. I put that on the bottom of the hatch cover and it made a really big difference which led me to use the sheet material on the Clasco.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
Visitors always welcome!
glwork@mac.com
http://jerrywork.com
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Jerry & Sharon Work
78 Royale
Kerby, OR
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