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Old 08-03-2015, 11:37 AM   #3
Ole Don
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Join Date: May 2010
Location: St. Michael, Minnesota
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Default Re: Best way to insulate firewall

Buy a small roll of the silver bubble wrap insulation. Vacuum everything you can see on the inside of the fire wall, then wipe down every nook and cranny you can see that is bare metal. Pull the carpet and pad down as far as possible, then cut chunks of the silver stuff to fit all the way up to the top and down under the carpet pad. Fit it in first, then remove it and spray the back with 3M spray adhesive. Keep doing small pieces that are easy to handle with adhesive on it. After a while, it will get done, and yes, it does make a difference. I used this product under the entire carpet with the seat removed. Cover the whole bottom of the car inside.
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