Originally Posted by pow3r
That stuff looks like dynamat or fatmat, what if you just sprayed the top side with that expanding insulation foam stuff?
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That would be such a terrible idea...
Since that stuff is not heat resistant and will smolder. Not sure if it will actually catch on fire.
That DEI material would be a great solution! ITs lightweight and can be easily applied. I would think about adding some metal stringers along the length of the skids to help with strength and rigidity.