Quote:
Originally Posted by argonaut
Heat shielding underneath from the exhaust and engine-trans is a great idea. I've been planning to do that on Big Ugly for some time, even have the sheet metal material sitting in the garage waiting to be cut and bent. The floor of these trucks gets ridiculously hot on a long trip in warm weather.
Maybe I also just stuff fiberglass batt insulation back into the doors and behind the rear cargo panels...that's what the previous owner had done.
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Try this stuff! Cover as much surface as possible especially inside the doors. It insulates and best of all gets rid of all "tin" noise. It's almost identical to Dynamat but at a fraction of the cost. The only difference is Peel&Seal has a bit thinner bitumen. If you Google it you'll probably see a few places saying not to use it, but I'm certain the people behind those comments either sell or install Dynamat.
I did every square inch of my Blazer and it does make a huge difference.
https://www.mfmbp.com/products/mfm-peel-seal-aluminum