I’d have to agree with what’s been said, insulation and soundproofing material are 2 different things. While Thinsulate has better sound deadening properties than most other insulations, it is an insulation first and foremost.
Quiet ride and dynamat, noico or any other similar adhesive backed butyl product designed for noise or sound deadening is what you’ll want to make things quieter.
I pulled the original fiberglass from the doghouse and covered the backside surface with dynamat then I think quiet ride before reinstalling the moulded fiberglass with foil tape, made a big difference. I don’t know about hanging it vs. adhering it to the backside as it’s designed, especially since you don’t want that stuff making contact with the pipes. Cover any metal on the doors and other accessible surfaces with the stuff for maximum results.
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'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
CCV High Profile Pop Top
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