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Old 07-10-2011, 01:56 PM   #15
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We just used some 3M high-strength spray adhesive we had on hand, and then ran in some very short self-tapping screws with wide washers. Covered those with the reflective tape.

Kind of a belt plus suspenders.

Life rocks when your house rolls
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Old 07-10-2011, 05:32 PM   #16
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Although I have used the JC Whitney material on a lot of doghouses and generator compartments, what it does, is reflect heat from cabin, but reflect noise to outside. We used a db meter to validate this. If your generator needs insulation, the convoluted foam, to keep noise down is better

Ernie Ekberg, Prevost Liberty XL Classic
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Old 07-10-2011, 05:52 PM   #17
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On Our Old Gal (1990 Southwind) with the John Deere Chassis and Ford 460 I did the following.

Glued "High Temp Bubble Wrap" to the underside of the Fibreglass Cover and the Surrounding Floor Bulges. I also added a 1 inch thick piece of High Density Foam followed by another piece of the Silver Bubble Wrap.

This helped but still wasn't as good as I wanted it to be.

So I visited a Sheet Metal Shop and purchased a piece of galvanized that measured an inch bigger than the opening under the Dog House cover.

I did a bit of "Tin Snipping" so I could Bend the Edges Down and hold it in place. Two Holes drilled for the Hold down bolts and Hey Presto the sound and heat transfer were brought under control!

It worked so well that the Leaking Exhaust Manifold was barely audible from the Drivers Seat!

Yes I fixed that as well using Roofing Cement as a sort of Gasket Goo after first having the Manifold resurfaced!
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Old 07-17-2011, 02:58 PM   #18
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Here is some pics. of our insulation job

I insulated mine a year ago. Here are some recent pics of the job one year later. It has held up really well.

1994 Brave 29RQ RV: Doghouse sound proofing looks great


Proud owner of 1994 Winnebago Brave 29RQ.
Chevy 454 on a P30 chassis.
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